2、文字的水印与镂空、文字与盒子的阴影,背景,线性渐变,径向渐变,动画(闪烁、过渡、转换),数据加密、js编码与解码、数据上传、数据下载、数据展示、文档编辑,算法知识|显示屏尺寸|彩礼|编程绝句|在线网址AI微工具|electron(4450行)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
一、文字的水印与镂空、文字与盒子的阴影,背景,线性渐变(边框渐变、文字渐变),径向渐变,动画(闪烁、过渡、转换)
1、文字的水印与镂空、文字与盒子的阴影
  附、颜色的优先级-从小到大
    background-color<
    border-color、color<
    -webkit-text-stroke(文字轮廓色)、-webkit-text-fill-color(文字填充色)
  (1)文字的水印与镂空
    <!DOCTYPE html>
    <html>
      <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            .text-watermark{
                z-index: 1;
                position: absolute;
                opacity: 0.2;
                transform: rotate(-45deg) translate(30px);
                user-select: none;
            }
            .text-uesd{
                z-index: 2;
                position: relative;
            }
            .text-stroke{
                font-size: 24px;
                font-weight: 900;
                color: transparent;
                -webkit-text-stroke: 1px gray;/* 文本轮廓的线宽、颜色;stroke,笔画 */
            }
        </style>
      </head>
      <body>
        <pre style="padding-left: 50px;">
          1/2、文字水印
          <pre class="text-watermark">
            文字水印样式
            .text-watermark{
                z-index: 1;
                position: absolute;
                opacity: 0.2;
                transform: rotate(-45deg) translate(30px);
                user-select: none;
            }
          </pre>
          <pre class="text-uesd">
            文字主体样式
            .text-uesd{
                z-index: 2;
                position: relative;
            }
          </pre>
        </pre>
        <pre class="text-stroke">
          2/2、文字镂空
          .text-stroke{
              font-size: 24px;
              font-weight: 900;
              color: transparent;
              -webkit-text-stroke: 1px gray;/* 文本轮廓的线宽、颜色;stroke,笔画 */
          }
        </pre>
      </body>
    </html>
  (2)文字与盒子的阴影
    <!DOCTYPE html>
    <html>
      <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            .text-shadow{
                font-size: 24px;
                font-weight: 900;
                color: #000;
                text-shadow: -5px -5px 3px gray, 5px 5px 3px #ccc;
            }
            .box-shadow{
                width: 1000px;
                margin: 30px 30px 30px 130px ;
                padding-top: 15px;
                font-size: 15px;
                border-radius: 10px;
                box-shadow: 0 0 10px 20px gray, 0 0 10px 20px #ccc inset;
            }
        </style>
      </head>
      <body>
        <pre class="text-shadow">
          1/2、文字阴影
          .text-shadow{
              font-size: 20px;
              font-weight: 900;
              color: #000;
              text-shadow: -5px -5px 3px gray <左上阴影>, 5px 5px 3px #ccc <右下阴影>;
          }
          以下text-shadow的取值说明,
          来源,https://www.runoob.com/cssref/css3-pr-box-shadow.html
          text-shadow: h-shadow v-shadow blur color;
              h-shadow,必需,水平阴影的位置;负值左阴影,0底阴影,正值右阴影
              v-shadow,必需,垂直阴影的位置;负值上阴影,0底阴影,正值下阴影
              blur,可选,模糊的距离
              color,可选,阴影的颜色
        </pre>
        <pre class="box-shadow">
          2/2、盒子阴影
          .box-shadow{
              box-shadow: 0 0 10px 10px gray;
              box-shadow: 0 0 10px 10px gray <外阴影>, 0 0 10px 10px #ccc inset <内阴影>;
          }
          以下box-shadow的取值说明
              box-shadow: h-shadow v-shadow blur spread color inset;
                  h-shadow,必需,水平阴影的位置;负值左阴影,0左右阴影,正值右阴影
                  v-shadow,必需,垂直阴影的位置;负值上阴影,0上下阴影,正值下阴影
                  blur,可选,模糊距离
                  spread,可选,阴影的大小
                  color,可选,阴影的颜色;在CSS颜色值寻找颜色值的完整列表
                  inset,可选,从外层的阴影(开始时)改变阴影内侧阴影
        </pre>
      </body>
    </html>
2、背景
  <!DOCTYPE html>
  <html lang="en">
    <style>
      .bg{
        width: 1100px;
        height: 200px;
        border-radius: 20px;
        padding: 20px;
        margin: 20px;
        border: 20px dotted black;
        /* 以下,单背景颜色,覆盖范围为content+padding+border */
        background-color: gray;
        /* 以下,多背景图像,从后向前渲染;如用渐变,则把url换成
        linear-gradient、radial-gradient、repeating-linear-gradient或repeating-radial-gradient */
        background-image:
          url("https://img-blog.csdnimg.cn/violation-del.png"),
          url("https://img-blog.csdnimg.cn/violation-del.png");
        background-repeat: no-repeat, no-repeat;
        /* 以下4个,先定位放置、后裁切显示,优先级逐渐降低;
          border-box border-box; padding-box padding-box; content-box content-box; */
        background-origin: content-box, border-box;
        background-position: left center, right center;
        background-size: 35%, contain;
        /*  background-clip: content-box, content-box; 注掉background-clip,可能露出背景色 */
      }
      .pre{
        border: 2px solid black;
        width: 1200px;
        margin: 30px;
        border-radius: 10px;
        padding: 30px 0;
      }
      .span{
        font-size: 20px;
        font-weight: 900;
      }
    </style>
    <head>
      <meta charset="UTF-8">
      <title>背景</title>
    </head>
    <body>
      <div class="bg"></div>
      <pre class="pre">
        用法来源,https://www.runoob.com/cssref/css3-pr-background.html
        background:汇总
          background-color background-image background-repeat background-attachment;
          background-position background-size background-origin background-clip;
        background:取值说明
          (1)background-attachment,设置背景图像是否固定或者随着页面的其余部分滚动,默认值:initial
            scroll,背景图片随着页面的滚动而滚动,这是默认的
            fixed,背景图片不会随着页面的滚动而滚动
            local,背景图片会随着元素内容的滚动而滚动
            initial,设置该属性的默认值,https://www.runoob.com/cssref/css-initial.html
          (2)background-color,指定要使用的一个背景颜色,默认值:transparent
            覆盖范围为content+padding+border,
          (3)background-image,指定要使用的一或多个背景图像,默认值:none
            覆盖范围由(5)(6)(7)(8)配置决定,
          (4)background-repeat,指定如何重复背景图像,默认值:repeat
            repeat,背景图像将向垂直和水平方向重复
            repeat-x,只有水平位置会重复背景图像
            repeat-y,只有垂直位置会重复背景图像
            no-repeat,不重复
            //以下4个,先定位放置、后裁切显示,优先级逐渐降低
          (5)background-origin,指定背景图像的定位区域,默认值:padding-box
            padding-box,背景图像填充框的相对位置
            border-box,背景图像边界框的相对位置
            content-box,背景图像的相对位置的内容框
          (6)background-position,指定背景图像的位置,默认值:0% 0%
            //以下,top,bottom,left,right的覆盖范围为content+padding,
            left top, left center, left bottom,
            right top, right center, right bottom,
            center top, center center, center bottom,指定一个,另一个是"center"
            x% y%,指定一个,另一个是50%
            xpx ypx,指定一个,另一个是50%
          (7)background-size,指定背景图片的大小,默认值:auto
            auto,设置背景图片高度和宽度为原始的高度和宽度;
            length,设置背景图片高度和宽度;
            percentage,将计算相对于背景定位区域的百分比;
            第1个值,设置宽度;第2个值,设置的高度;如果只给出1个值,第2个是设置为auto(自动)
            注意,有时超过100%,比如107%,才能把目标区域完全覆盖,是因为原背景图片有近乎透明的阴影,占用了一些尺寸
            cover,此时会保持图像的纵横比并将图像缩放成将完全覆盖背景定位区域的最小大小
            contain,此时会保持图像的纵横比并将图像缩放成将适合背景定位区域的最大大小
          (8)background-clip,指定背景图像的绘制区域(显示区域),默认值:border-box
            border-box,背景绘制在边框方框内(剪切成边框方框)
            padding-box,背景绘制在衬距方框内(剪切成衬距方框)
            content-box,背景绘制在内容方框内(剪切成内容方框)
            -webkit-background-clip:text;背景绘制在文字上
      </pre>
    </body>
  </html>
3、线性渐变
  (1)文字与边框渐变
    <!DOCTYPE html>
    <html lang="en">
      <style>
        .div{
          width: 1200px;
          margin: 30px;
          border-radius: 10px;
        }
        .gradientBorder{
          background-image: linear-gradient(#fff,#fff),linear-gradient(10deg,#624AFF,#1CF7CC,#1697F8);
          background-clip: content-box,border-box;
          /* 以下方案一 */
          border: 2px solid transparent;
          padding: 0;
          /* 以下方案二 */
          /* padding: 2px; */
        }
        .padding{
          padding: 10px;
        }
        .gradientText{
          background-image: -webkit-linear-gradient(right,#624AFF,#f71c27,#1697F8);
          color: transparent;/* -webkit-text-fill-color: transparent; */
          -webkit-background-clip: text;
        }
      </style>
      <head>
        <meta charset="UTF-8">
        <title>文字渐变、边框渐变</title>
      </head>
      <body>
        <pre>
          background-image,用法来源,https://www.runoob.com/cssref/pr-background-image.html
        </pre>
        <div class="div gradientBorder">
          <div class="padding">示例:文字渐变、边框渐变</div>
          <pre class="gradientText padding">
            .gradientBorder{
              background-image: linear-gradient(#fff,#fff),linear-gradient(98deg,#624AFF,#1CF7CC,#1697F8);
              background-clip: content-box,border-box;
              /* 以下方案一 */
              border: 2px solid transparent;
              padding: 0;
              /* 以下方案二 */
              /* padding: 2px; */
            }
            .gradientText{
              background-image: -webkit-linear-gradient(right,#624AFF,#1CF7CC,#1697F8);
              color: transparent;/* -webkit-text-fill-color: transparent; */
              -webkit-background-clip: text;
            }
          </pre>
        </div>
      </body>
    </html>
  (2)线性渐变
    <!DOCTYPE html>
    <html lang="en">
      <style>
        .div{
          width: 1200px;
          margin: 30px;
          border-radius: 10px;
        }
        .blackBorder{
          border: 2px solid black;
        }
        .padding{
          padding: 10px;
        }
        .linearGradientYes0{
          background-image: linear-gradient(to right, red 0, yellow 600px, green 1200px);
        }
        .linearGradientNo0{
          background-image: linear-gradient(to right, red 20%, yellow 50%, green 80%);
        }
        .repeatingLinearGradientYes0{
          background-image: repeating-linear-gradient(to right, red 0, yellow 150px, green 300px);
        }
        .repeatingLinearGradientNo0{
          background-image: repeating-linear-gradient(to right, red 8%, yellow 20%, green 30%);
        }
      </style>
      <head>
        <meta charset="UTF-8">
        <title>(重复)线性渐变</title>
      </head>
      <body>
        <pre>
          background-image,用法来源,https://www.runoob.com/cssref/pr-background-image.html
        </pre>
        <div class="div blackBorder linearGradientYes0">
          <div class="padding">1、线性渐变-以0为起点</div>
          <pre>
            linear-gradient(direction, color-stopA, color-stopB, ...);
              A、direction 用角度值指定渐变的方向(或角度);从上到下(默认)
              B、color-stopA, color-stopB, ... , color-stopN color-stopA/N用于指定“整个渐变”开始/结束时的颜色和位置
              C、示例,background-image: linear-gradient(to right, red 0, yellow 600px, green 1200px);
              D、从red过渡到yellow,再过渡到green;
          </pre>
        </div>
        <div class="div blackBorder linearGradientNo0">
          <div class="padding">2、线性渐变-不以0为起点</div>
          <pre>
            linear-gradient(direction, color-stopA, color-stopB, ...);
              A、direction 用角度值指定渐变的方向(或角度);从上到下(默认)
              B、color-stopA, color-stopB, ... , color-stopN color-stopA/N用于指定“整个渐变”开始/结束时的颜色和位置
              C、示例,background-image:linear-gradient(to right, red 20%, yellow 50%, green 80%);
              D、0到20%为red,80%到100%为green;20%到80%,从red过渡到yellow,再过渡到green;
          </pre>
        </div>
        <div class="div blackBorder repeatingLinearGradientYes0">
          <div class="padding">3、重复线性渐变-以0为起点</div>
          <pre>
            repeating-linear-gradient(direction, color-stopA, color-stopB, ...);
              A、direction 用角度值指定渐变的方向(或角度);从上到下(默认)
              B、colorA A%, colorB B%, ... , colorN N%,A%、N%用于指定第1、2个渐变的结束位置,colorA-colorN,用于指定1个完整渐变的颜色构成
              C、示例,background-image: repeating-linear-gradient(to right, red 0, yellow 150px, green 300px);
              D、上例中,数据释义如下
                0,第1个渐变的结束位置
                300px,第2个渐变的结束位置
                300px,300px-0px,1个完整渐变的占比,颜色与位置对应为red 0, yellow 150, green 300
                900px,3*300px,3个完整渐变的占比
                900px,最后1个渐变的开始位置
          </pre>
        </div>
        <div class="div blackBorder repeatingLinearGradientNo0">
          <div class="padding">4、重复线性渐变-不以0为起点</div>
          <pre>
            repeating-linear-gradient(direction, color-stopA, color-stopB, ...);
              A、direction 用角度值指定渐变的方向(或角度);从上到下(默认)
              B、colorA A%, colorB B%, ... , colorN N%,A%、N%用于指定第1、2个渐变的结束位置,colorA-colorN,用于指定1个完整渐变的颜色构成
              C、示例,background-image: repeating-linear-gradient(to right, red 8%, yellow 20%, green 30%);
              D、上例中,数据释义如下
                8%,第1个渐变的结束位置
                30%,第2个渐变的结束位置
                22%,30%-8%,1个完整渐变的占比,颜色与位置对应为red 0, yellow 12, green 22
                88%,4*22%,4个完整渐变的占比
                96%,8%+88%,最后1个渐变的开始位置
          </pre>
        </div>
      </body>
    </html>
4、径向渐变
  <!DOCTYPE html>
  <html>
    <head lang="en">
      <meta charset="UTF-8">
      <title>(重复)径向渐变</title>
      <style type="text/css">
          .common{
              width: 1200px;
              font-size: 15px;
              font-weight: 900;
              color: black;
              border-radius: 10px;
              margin: 50px;
              padding: 0px;
          }
          .params{
            border: 2px solid black;
            width: 1200px;
            margin: 30px;
            border-radius: 10px;
            padding: 30px 0;
          }
          .paddingLeft{
            padding-left: 10px;
          }
          .backgroundSize{
              background-size:370px 220px;
          }
          /* .backgroundRepeat{
              background-repeat: no-repeat;
          } */
          .radialNumber{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          .radialRate{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          .repeatNumber{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          .repeatRate{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          .money{
              background-image:repeating-radial-gradient(
                circle,
                gray 0,gray 5px,transparent 5px,transparent 20px,
                gray 20px,gray 25px,transparent 25px,transparent 50px
              );
              background-size:90px 90px;
              display: flex;
              justify-content: flex-end;
              align-items: flex-end;
          }
      </style>
    </head>
    <body>
      <pre class="params">
        <div class="paddingLeft">径向渐变-参数说明</div>
        <div>
          background-image: radial-gradient(shape size at position, start-color, ..., last-color);
          1、shape,径向渐变的形状,默认为ellipse
            circle,指定圆形的径向渐变
              background-image: radial-gradient(circle, red, yellow, green);
            ellipse,指定椭圆形的径向渐变
              background-image: radial-gradient(ellipse closest-corner, red, yellow, green);
            特别说明,当指定size为“数字”时,“指定形状”,必须根据数字的个数,否则无渐变效果,因此“指定形状”是多余的
              background-image: radial-gradient(circle 400px, red, yellow, green);
              background-image: radial-gradient(ellipse 400px 40%, red, yellow, green);
            特别说明,当指定size为“关键字”时,“指定形状”可以没有、可以任意,“指定形状”不是多余的
              background-image: radial-gradient(farthest-side, red, yellow, green);
              background-image: radial-gradient(circle farthest-side, red, yellow, green);
          2、size,径向渐变的宽高,默认为farthest-corner,可以用“省略”或“一个关键字”或“一、两个数字”
            farthest-corner,指定径向渐变的半径长度为从圆心到离圆心最远的角
            closest-side,指定径向渐变的半径长度为从圆心到离圆心最近的边
            closest-corner,指定径向渐变的半径长度为从圆心到离圆心最近的角
            farthest-side,指定径向渐变的半径长度为从圆心到离圆心最远的边
          3、position,定义渐变的位置,默认为center,可以用“省略”或“一个关键字”或“两个数字”
            center,设置中间为径向渐变圆心的纵坐标值
            top,设置顶部为径向渐变圆心的纵坐标值
            bottom,设置底部为径向渐变圆心的纵坐标值
            left,设置左侧为径向渐变圆心的横坐标值
            right,设置右侧为径向渐变圆心的横坐标值
              background-image: radial-gradient(circle, red, yellow, yellow);
              background-image: radial-gradient(circle at center, red, yellow, green);
              background-image: radial-gradient(400px 40% at 156px 60%, red, yellow, green);
          4、start-color, ..., last-color,用于指定“整个渐变”开始/结束时的颜色和位置
        </div>
        <div class="paddingLeft">径向渐变-案例解析</div>
        <div>
          1、案例解析1
            例1、background-image: radial-gradient(250px-A处 35%-B处 at center,red 60px,yellow 90px,green 130px);
            例2、background-image: repeating-radial-gradient(250px-A处 35%-B处 at center,red 60px,yellow 90px,green 130px);
            (1)例1中,数据释义如下
                60px,径向渐变开始位置,如果大于0,那么0到开始位置的颜色为开始位置的颜色
                130px,径向渐变结束位置,如果小于100%,那么结束位置到100%的颜色为结束位置的颜色
            (2)例2中,数据释义如下
                60px,重复径向渐变第1层椭圆的结束位置,即该层椭圆的X轴半径是60px
                130px,重复径向渐变第2层椭圆的结束位置,即该层椭圆的X轴半径是130px
          2、案例解析2
            例1、background-image: radial-gradient(250px-A处 35%-B处 at center, red 20%, yellow 30%, green 45%);
            例2、background-image: repeating-radial-gradient(250px-A处 35%-B处 at center, red 20%, yellow 30%, green 45%);
            (1)例1中,数据释义如下
                20%,径向渐变开始位置,即250px的20%,如果大于0,那么0到开始位置的颜色为开始位置的颜色
                45%,径向渐变结束位置,即250px的45%,如果小于100%,那么结束位置到100%的颜色为结束位置的颜色
            (2)例2中,数据释义如下
                20%,重复径向渐变第1层椭圆的结束位置,即该层椭圆的X轴半径是250px的20%
                45%,重复径向渐变第2层椭圆的结束位置,即该层椭圆的X轴半径是250px的45%
          3、上面案例中,
            (1)如果A处或B处为百分数,那么先通过盒子的width或height计算出对应值,进而计算出椭圆的X轴(先)或Y轴(后)半径
            (2)center,将上面的椭圆放到盒子的正中间,当center改为10px 30px时,将上面的椭圆中心放到盒子左边右侧10px,上边下方30px的地方,
            (3)重复径向渐变,各个色带(层距)从外向里填充颜色,当中心椭圆的半径小于层距时,椭圆中心不会出现色带内侧的颜色
          4、盒子的width或height只含content,但background-image默认是从border开始覆盖的
        </div>
      </pre>
      <pre class="common radialNumber backgroundRepeat">
        <div class="paddingLeft">1、径向渐变-像素</div>
        <div>
          .radialNumber{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          上例中,径向渐变数据释义如下
              椭圆的X轴半径是130
              椭圆的Y轴半径是72.8,(400*35%)/250*130,y中心/x中心*x半径
        </div>
      </pre>
      <pre class="common radialNumber backgroundRepeat backgroundSize">
        <div class="paddingLeft">2、径向渐变-像素,含backgroundSize</div>
        <div>
          .radialNumber{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          .backgroundSize{
              background-size:370px 220px;
          }
          上例中,径向渐变数据释义如下
              椭圆的X轴半径是130
              椭圆的Y轴半径是40.04,(220*35%)/250*130,y中心/x中心*x半径
        </div>
      </pre>
      <pre class="common radialRate backgroundRepeat">
        <div class="paddingLeft">3、径向渐变-百分比</div>
        <div>
          .radialRate{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          上例中,径向渐变数据释义如下
              椭圆的X轴半径是112.5,250*45%
              椭圆的Y轴半径是63,(400*35%)/250*112.5,y中心/x中心*x半径
        </div>
      </pre>
      <pre class="common radialRate backgroundRepeat backgroundSize">
        <div class="paddingLeft">4、径向渐变-百分比,含backgroundSize</div>
        <div>
          .radialRate{
              height: 400px;
              background-image: radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          .backgroundSize{
              background-size:370px 220px;
          }
          上例中,径向渐变数据释义如下
              椭圆的X轴半径是112.5,250*45%
              椭圆的Y轴半径是34.65,(220*35%)/250*112.5,y中心/x中心*x半径
        </div>
      </pre>
      <pre class="common repeatNumber backgroundRepeat">
        <div class="paddingLeft">5、重复径向渐变-像素</div>
        <div>
          .repeatNumber{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          上例中,重复径向渐变数据释义如下
              第1层椭圆的X轴半径是60
              第2层椭圆的X轴半径130
              X轴层距70,130-60
              第1层椭圆的Y轴半径33.6,(400*35%)/250*60,y中心/x中心*1层x半径
              第2层椭圆的Y轴半径72.8,(400*35%)/250*130,y中心/x中心*2层x半径
              Y轴层距39.2,72.8-33.6
        </div>
      </pre>
      <pre class="common repeatNumber backgroundRepeat backgroundSize">
        <div class="paddingLeft">6、重复径向渐变-像素,含backgroundSize</div>
        <div>
          .repeatNumber{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 60px,yellow 90px,green 130px);
          }
          .backgroundSize{
              background-size:370px 220px;
          }
          上例中,重复径向渐变数据释义如下
              第1层椭圆的X轴半径是60
              第2层椭圆的X轴半径130
              X轴层距70,130-60
              第1层椭圆的Y轴半径18.48,(220*35%)/250*60,y中心/x中心*1层x半径
              第2层椭圆的Y轴半径40.04,(220*35%)/250*130,y中心/x中心*2层x半径
              Y轴层距21.56,40.04-18.48
        </div>
      </pre>
      <pre class="common repeatRate backgroundRepeat">
        <div class="paddingLeft">7、重复径向渐变-百分比</div>
        <div>
          .repeatRate{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          上例中,重复径向渐变数据释义如下
              第1层椭圆的X轴半径是50,250*20%
              第2层椭圆的X轴半径112.5,250*45%
              X轴层距62.5,112.5-50
              第1层椭圆的Y轴半径28,(400*35%)/250*50,y中心/x中心*1层x半径
              第2层椭圆的Y轴半径63,(400*35%)/250*112.5,y中心/x中心*2层x半径
              Y轴层距35,63-28
        </div>
      </pre>
      <pre class="common repeatRate backgroundRepeat backgroundSize">
        <div class="paddingLeft">8、重复径向渐变-百分比,含backgroundSize</div>
        <div>
          .repeatRate{
              height: 400px;
              background-image: repeating-radial-gradient(250px 35% at center,red 20%, yellow 30%, green 45%);
          }
          .backgroundSize{
              background-size:370px 220px;
          }
          上例中,重复径向渐变数据释义如下
              第1层椭圆的X轴半径是50,250*20%
              第2层椭圆的X轴半径112.5,250*45%
              X轴层距62.5,112.5-50
              第1层椭圆的Y轴半径15.4,(220*35%)/250*50,y中心/x中心*1层x半径
              第2层椭圆的Y轴半径34.65,(220*35%)/250*112.5,y中心/x中心*2层x半径
              Y轴层距19.25,34.65-15.4
        </div>
      </pre>
      <pre class="common money">
        <div>
          附、重复径向渐变-铜钱效果
            .money{
              background-image:repeating-radial-gradient(circle,
                gray 0,gray 5px,transparent 5px,transparent 20px,
                gray 20px,gray 25px,transparent 25px,transparent 50px
              );
              background-size:90px 90px;
              display: flex;
              justify-content: flex-end;
              align-items: flex-end;
            }
        </div>
      </pre>
    </body>
  </html>
5、动画示例
  (1)单帧动画(含动画说明)
    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta charset="UTF-8">
        <title>正常动画</title>
        <style>
          *{
            padding: 0;
            margin: 0;
          }
          .divUp {
            top: 150px;
            left: 800px;
            width: 1000px;
            height: 500px;
            line-height: 500px;
            background: rgb(131, 128, 128);
            border-radius: 60px;
            text-align: center;
            font-size: 150px;
            color: #000;
            position: relative;
            animation: upMove/*名称*/ 2s/*周期*/ ease/*速度*/ 0.1s/*延迟*/ infinite/*循环次数*/ alternate/*交替方向*/;
            /* animation,https://www.runoob.com/cssref/css3-pr-animation.html
              速度,https://www.runoob.com/cssref/css3-pr-animation-timing-function.html
                ease,默认,动画以低速开始,然后加快,在结束前变慢
                ease-in,动画以低速开始
                ease-out,动画以低速结束
                ease-in-out,动画以低速开始和结束
                linear,动画从头到尾的速度是相同的
              循环次数,https://www.runoob.com/cssref/css3-pr-animation-iteration-count.html
                number,一个数字,定义应该播放多少次动画
                infinite,指定动画应该播放无限次(永远)
              交替方向,https://www.runoob.com/cssref/css3-pr-animation-direction.html
                normal,正常播放,默认值
                reverse,反向播放
                alternate,奇正向播放,动画在奇数次(1、3、5...)正向播放,在偶数次(2、4、6...)反向播放
                alternate-reverse,奇反向播放,动画在奇数次(1、3、5...)反向播放,在偶数次(2、4、6...)正向播放
            */
          }
          @keyframes upMove {
            /* 这里只写需要改变的项,且to中各项应与.divUp中各项一致,否则动画结束时,运动区域会缩小或放大或其它改变 */
            from {
              top: 0px;
              left: 0px;
              width: 200px;
              height: 100px;
              line-height: 100px;
              background: rgb(252, 249, 249);
              border-radius: 0px;
              font-size: 20px;
              color: #a59999;
            }
            to {
              top: 150px;
              left: 800px;
              width: 1000px;
              height: 500px;
              line-height: 500px;
              background: rgb(131, 128, 128);
              border-radius: 60px;
              font-size: 150px;
              color: #000;
            }
          }
          /* 以上,动画效果-上 */
          /* 以下,动画效果-下 */
          .divDown {
            height: 100px;
            width: 940px;
            margin-top: 200px;/* 相对于未定位的.divUp的底部,定位后的.divUp脱离了文档流 */
            margin-left: 800px;
            background: rgb(131, 128, 128);
            animation: downMove 2s ease 0.1s infinite alternate;
            overflow: hidden;
            padding: 30px;
          }
          @keyframes downMove {
            /* 这里只写需要改变的项,且to中各项应与.divDown中各项一致,否则动画结束时,运动区域会缩小或放大或其它改变 */
            from {
              height: 0px;
            }
            to {
              height: 100px;
            }
          }
        </style>
      </head>
      <body>
        <div class="divUp">动画效果</div>
        <div class="divDown">
          <div>overflow: hidden; 1/10</div>
          <div>overflow: hidden; 2/10</div>
          <div>overflow: hidden; 3/10</div>
          <div>overflow: hidden; 4/10</div>
          <div>overflow: hidden; 5/10</div>
          <div>overflow: hidden; 6/10</div>
          <div>overflow: hidden; 7/10</div>
          <div>overflow: hidden; 8/10</div>
          <div>overflow: hidden; 9/10</div>
          <div>overflow: hidden; 10/10</div>
        </div>
      </body>
    </html>
  (2)多帧动画(含页面闪烁)
    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta charset="UTF-8">
        <title>多帧动画(含页面闪烁)</title>
        <style>
          *{
            padding: 0;
            margin: 0;
          }
          .divSize{
            margin: 30px auto;
            color: rgb(27, 25, 25);
            background: rgb(131, 128, 128);
            display: flex;
            justify-content: center;
            align-items: center;
          }
          .fontSize{
            font-size: 200px;
          }
          .padding20{
            padding: 20px;
            width: 960px;
          }
          .height360{
            height: 360px;
            width: 1000px;
          }
          /* 以下动画触发 */
          .divDown {
            animation: widthMove 2s ease 0.1s infinite normal, heightMove 2s ease 0.1s infinite normal;
          }
          .divDown:hover {
            animation: widthMove 2s ease 0.1s infinite normal, heightMove 2s ease 0.1s infinite normal;
          }
          /* 以下动画定义 */
          @keyframes widthMove {
            from {
              width: 0px;
              background: rgb(161, 95, 95);
            }
            to {
              width: 1000px;
              background: rgb(131, 128, 128);
            }
          }
          @keyframes heightMove {
            from {
              height: 0px;
              font-size: 15px;
            }
            to {
              height: 360px;
              font-size: 200px;
            }
          }
        </style>
      </head>
      <body>
        <div class="divSize padding20">
          <pre>
            1、单用下面这种方式触发动画,页面正常
                .divDown {
                  widthMove 2s ease 0.1s infinite normal, heightMove 2s ease 0.1s infinite normal;
                }
            2、单用下面这种方式触发动画,<b><big>页面会闪烁</big></b>,原因是
                在初始位置,面积大,为100%,hover触发动画,因为from面积小,为0,失去hover,回到初始位置,面积大,为100%,又造成hover触发动画
                .divDown:hover {
                  widthMove 2s ease 0.1s infinite normal, heightMove 2s ease 0.1s infinite normal;
                }
            3、目前2个同时使用,第1个生效(正常)。可注掉第1个,让第2个生效(闪烁)
          </pre>
        </div>
        <div class="divSize height360 fontSize divDown">居中</div>
      </body>
    </html>
6、过渡示例   
  (1)单个属性过渡(转换,内含过渡说明和转换说明)
    <!DOCTYPE html>
    <html>
      <head>
        <meta charset="UTF-8">
        <title>单个属性过渡(转换)</title>
        <style>
          div{
            width:600px;
            height:200px;
            margin-top: 200px;
            margin-left: 150px;
            background: #ccc;
            display: flex;
            justify-content: center;
            align-items: center;
            /* 初始时,指定“需要过渡的属性”及相关参数 */
            transition: transform/*CSS属性名*/ 2s/*过渡时长*/ ease-in/*运动速度*/ 0s/*延迟时长*/;
          }
          /* 悬停时,“需要过渡的属性”,由初始值或默认值-过渡到-指定值 */
          div:hover{
            transform: rotate(7deg)/*旋转*/ skew(20deg)/*倾斜*/ scale(2)/*缩放*/ translate(120px)/*移动*/
          }
        </style>
      </head>
      <body>
        <div>
          <pre>
            transform,转换,对元素使用2D或3D转换,百度翻译,使改变
            使用方法,https://www.runoob.com/cssref/css3-pr-transform.html
          </pre>
        </div>
      </body>
    </html>  
  (2)多个属性过渡(宽、高、字体大小,内含动画和过渡的区别)
    <!DOCTYPE html>
    <html>
      <head>
        <meta charset="UTF-8">
        <title>多个属性过渡(宽、高、字体大小)</title>
        <style>
          div{
            width: 800px;
            height: 220px;
            font-size: 14px;
            transition: width 2s ease-in 0s, height 2s ease-in 0s, font-size 2s ease-in 0s;
          }
          div:hover{
            width: 1600px;
            height: 440px;
            font-size: 28px;
          }
          .div{
            background:rgb(95, 95, 97);
            padding: 50px 0;/* padding设置不能出现auto,否则发生padding:0的效果 */
          }
        </style>
      </head>
      <body>
        <div class="div">
          <pre>
            animation(动画)和transition(过渡)<span style="color: #fff;">的区别</span>
              来源,https://blog.csdn.net/qq_38290251/article/details/133644402
            A、应用场景:
              a、animation,用于实现复杂的动画效果,
              b、transition,用于实现简单的动画效果,
            B、实现方式:
              a、animation,先定义关键帧,然后指定关键帧及相关参数;可手动、自动触发的;可以循环播放
              b、transition,直接指定属性及相关参数;仅手动(悬停)触发;1次触发1次播放
            C、属性值,都可以是多组
              a、animation,每个属性值可以改变多个其它属性
              b、transition,每个属性值只能改变一个其它属性
          </pre>
        </div>
      </body>
    </html>
 
二、数据加密-AES和RSA
1、AES加密
  <!DOCTYPE html>
  <html lang="en">
    <head>
      <meta charset="UTF-8">
      <meta http-equiv="X-UA-Compatible" content="IE=edge">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>Document</title>
      <!-- 引入 CDN Crypto.js 开始 AES加密 注意引入顺序 -->
    <script type="text/javascript">
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/core.min.js
      !function(t,n){"object"==typeof exports?module.exports=exports=n():"function"==typeof define&&define.amd?define([],n):t.CryptoJS=n()}(this,function(){var t=t||function(f){var t;if("undefined"!=typeof window&&window.crypto&&(t=window.crypto),!t&&"undefined"!=typeof window&&window.msCrypto&&(t=window.msCrypto),!t&&"undefined"!=typeof global&&global.crypto&&(t=global.crypto),!t&&"function"==typeof require)try{t=require("crypto")}catch(t){}function i(){if(t){if("function"==typeof t.getRandomValues)try{return t.getRandomValues(new Uint32Array(1))[0]}catch(t){}if("function"==typeof t.randomBytes)try{return t.randomBytes(4).readInt32LE()}catch(t){}}throw new Error("Native crypto module could not be used to get secure random number.")}var e=Object.create||function(t){var n;return r.prototype=t,n=new r,r.prototype=null,n};function r(){}var n={},o=n.lib={},s=o.Base={extend:function(t){var n=e(this);return t&&n.mixIn(t),n.hasOwnProperty("init")&&this.init!==n.init||(n.init=function(){n.$super.init.apply(this,arguments)}),(n.init.prototype=n).$super=this,n},create:function(){var t=this.extend();return t.init.apply(t,arguments),t},init:function(){},mixIn:function(t){for(var n in t)t.hasOwnProperty(n)&&(this[n]=t[n]);t.hasOwnProperty("toString")&&(this.toString=t.toString)},clone:function(){return this.init.prototype.extend(this)}},p=o.WordArray=s.extend({init:function(t,n){t=this.words=t||[],this.sigBytes=null!=n?n:4*t.length},toString:function(t){return(t||c).stringify(this)},concat:function(t){var n=this.words,e=t.words,i=this.sigBytes,r=t.sigBytes;if(this.clamp(),i%4)for(var o=0;o<r;o++){var s=e[o>>>2]>>>24-o%4*8&255;n[i+o>>>2]|=s<<24-(i+o)%4*8}else for(o=0;o<r;o+=4)n[i+o>>>2]=e[o>>>2];return this.sigBytes+=r,this},clamp:function(){var t=this.words,n=this.sigBytes;t[n>>>2]&=4294967295<<32-n%4*8,t.length=f.ceil(n/4)},clone:function(){var t=s.clone.call(this);return t.words=this.words.slice(0),t},random:function(t){for(var n=[],e=0;e<t;e+=4)n.push(i());return new p.init(n,t)}}),a=n.enc={},c=a.Hex={stringify:function(t){for(var n=t.words,e=t.sigBytes,i=[],r=0;r<e;r++){var o=n[r>>>2]>>>24-r%4*8&255;i.push((o>>>4).toString(16)),i.push((15&o).toString(16))}return i.join("")},parse:function(t){for(var n=t.length,e=[],i=0;i<n;i+=2)e[i>>>3]|=parseInt(t.substr(i,2),16)<<24-i%8*4;return new p.init(e,n/2)}},u=a.Latin1={stringify:function(t){for(var n=t.words,e=t.sigBytes,i=[],r=0;r<e;r++){var o=n[r>>>2]>>>24-r%4*8&255;i.push(String.fromCharCode(o))}return i.join("")},parse:function(t){for(var n=t.length,e=[],i=0;i<n;i++)e[i>>>2]|=(255&t.charCodeAt(i))<<24-i%4*8;return new p.init(e,n)}},d=a.Utf8={stringify:function(t){try{return decodeURIComponent(escape(u.stringify(t)))}catch(t){throw new Error("Malformed UTF-8 data")}},parse:function(t){return u.parse(unescape(encodeURIComponent(t)))}},h=o.BufferedBlockAlgorithm=s.extend({reset:function(){this._data=new p.init,this._nDataBytes=0},_append:function(t){"string"==typeof t&&(t=d.parse(t)),this._data.concat(t),this._nDataBytes+=t.sigBytes},_process:function(t){var n,e=this._data,i=e.words,r=e.sigBytes,o=this.blockSize,s=r/(4*o),a=(s=t?f.ceil(s):f.max((0|s)-this._minBufferSize,0))*o,c=f.min(4*a,r);if(a){for(var u=0;u<a;u+=o)this._doProcessBlock(i,u);n=i.splice(0,a),e.sigBytes-=c}return new p.init(n,c)},clone:function(){var t=s.clone.call(this);return t._data=this._data.clone(),t},_minBufferSize:0}),l=(o.Hasher=h.extend({cfg:s.extend(),init:function(t){this.cfg=this.cfg.extend(t),this.reset()},reset:function(){h.reset.call(this),this._doReset()},update:function(t){return this._append(t),this._process(),this},finalize:function(t){return t&&this._append(t),this._doFinalize()},blockSize:16,_createHelper:function(e){return function(t,n){return new e.init(n).finalize(t)}},_createHmacHelper:function(e){return function(t,n){return new l.HMAC.init(e,n).finalize(t)}}}),n.algo={});return n}(Math);return t});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/enc-base64.min.js
      !function(r,e){"object"==typeof exports?module.exports=exports=e(require("./core")):"function"==typeof define&&define.amd?define(["./core"],e):e(r.CryptoJS)}(this,function(r){var s;return s=r.lib.WordArray,r.enc.Base64={stringify:function(r){var e=r.words,t=r.sigBytes,a=this._map;r.clamp();for(var n=[],o=0;o<t;o+=3)for(var i=(e[o>>>2]>>>24-o%4*8&255)<<16|(e[o+1>>>2]>>>24-(o+1)%4*8&255)<<8|e[o+2>>>2]>>>24-(o+2)%4*8&255,f=0;f<4&&o+.75*f<t;f++)n.push(a.charAt(i>>>6*(3-f)&63));var c=a.charAt(64);if(c)for(;n.length%4;)n.push(c);return n.join("")},parse:function(r){var e=r.length,t=this._map,a=this._reverseMap;if(!a){a=this._reverseMap=[];for(var n=0;n<t.length;n++)a[t.charCodeAt(n)]=n}var o=t.charAt(64);if(o){var i=r.indexOf(o);-1!==i&&(e=i)}return function(r,e,t){for(var a=[],n=0,o=0;o<e;o++)if(o%4){var i=t[r.charCodeAt(o-1)]<<o%4*2,f=t[r.charCodeAt(o)]>>>6-o%4*2,c=i|f;a[n>>>2]|=c<<24-n%4*8,n++}return s.create(a,n)}(r,e,a)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="},r.enc.Base64});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/md5.min.js
      !function(r,e){"object"==typeof exports?module.exports=exports=e(require("./core")):"function"==typeof define&&define.amd?define(["./core"],e):e(r.CryptoJS)}(this,function(i){return function(h){var r=i,e=r.lib,t=e.WordArray,n=e.Hasher,o=r.algo,b=[];!function(){for(var r=0;r<64;r++)b[r]=4294967296*h.abs(h.sin(r+1))|0}();var a=o.MD5=n.extend({_doReset:function(){this._hash=new t.init([1732584193,4023233417,2562383102,271733878])},_doProcessBlock:function(r,e){for(var t=0;t<16;t++){var n=e+t,o=r[n];r[n]=16711935&(o<<8|o>>>24)|4278255360&(o<<24|o>>>8)}var a=this._hash.words,i=r[e+0],s=r[e+1],c=r[e+2],f=r[e+3],h=r[e+4],u=r[e+5],v=r[e+6],d=r[e+7],l=r[e+8],_=r[e+9],p=r[e+10],y=r[e+11],D=r[e+12],H=r[e+13],M=r[e+14],g=r[e+15],m=a[0],w=a[1],x=a[2],B=a[3];m=j(m,w,x,B,i,7,b[0]),B=j(B,m,w,x,s,12,b[1]),x=j(x,B,m,w,c,17,b[2]),w=j(w,x,B,m,f,22,b[3]),m=j(m,w,x,B,h,7,b[4]),B=j(B,m,w,x,u,12,b[5]),x=j(x,B,m,w,v,17,b[6]),w=j(w,x,B,m,d,22,b[7]),m=j(m,w,x,B,l,7,b[8]),B=j(B,m,w,x,_,12,b[9]),x=j(x,B,m,w,p,17,b[10]),w=j(w,x,B,m,y,22,b[11]),m=j(m,w,x,B,D,7,b[12]),B=j(B,m,w,x,H,12,b[13]),x=j(x,B,m,w,M,17,b[14]),m=k(m,w=j(w,x,B,m,g,22,b[15]),x,B,s,5,b[16]),B=k(B,m,w,x,v,9,b[17]),x=k(x,B,m,w,y,14,b[18]),w=k(w,x,B,m,i,20,b[19]),m=k(m,w,x,B,u,5,b[20]),B=k(B,m,w,x,p,9,b[21]),x=k(x,B,m,w,g,14,b[22]),w=k(w,x,B,m,h,20,b[23]),m=k(m,w,x,B,_,5,b[24]),B=k(B,m,w,x,M,9,b[25]),x=k(x,B,m,w,f,14,b[26]),w=k(w,x,B,m,l,20,b[27]),m=k(m,w,x,B,H,5,b[28]),B=k(B,m,w,x,c,9,b[29]),x=k(x,B,m,w,d,14,b[30]),m=q(m,w=k(w,x,B,m,D,20,b[31]),x,B,u,4,b[32]),B=q(B,m,w,x,l,11,b[33]),x=q(x,B,m,w,y,16,b[34]),w=q(w,x,B,m,M,23,b[35]),m=q(m,w,x,B,s,4,b[36]),B=q(B,m,w,x,h,11,b[37]),x=q(x,B,m,w,d,16,b[38]),w=q(w,x,B,m,p,23,b[39]),m=q(m,w,x,B,H,4,b[40]),B=q(B,m,w,x,i,11,b[41]),x=q(x,B,m,w,f,16,b[42]),w=q(w,x,B,m,v,23,b[43]),m=q(m,w,x,B,_,4,b[44]),B=q(B,m,w,x,D,11,b[45]),x=q(x,B,m,w,g,16,b[46]),m=z(m,w=q(w,x,B,m,c,23,b[47]),x,B,i,6,b[48]),B=z(B,m,w,x,d,10,b[49]),x=z(x,B,m,w,M,15,b[50]),w=z(w,x,B,m,u,21,b[51]),m=z(m,w,x,B,D,6,b[52]),B=z(B,m,w,x,f,10,b[53]),x=z(x,B,m,w,p,15,b[54]),w=z(w,x,B,m,s,21,b[55]),m=z(m,w,x,B,l,6,b[56]),B=z(B,m,w,x,g,10,b[57]),x=z(x,B,m,w,v,15,b[58]),w=z(w,x,B,m,H,21,b[59]),m=z(m,w,x,B,h,6,b[60]),B=z(B,m,w,x,y,10,b[61]),x=z(x,B,m,w,c,15,b[62]),w=z(w,x,B,m,_,21,b[63]),a[0]=a[0]+m|0,a[1]=a[1]+w|0,a[2]=a[2]+x|0,a[3]=a[3]+B|0},_doFinalize:function(){var r=this._data,e=r.words,t=8*this._nDataBytes,n=8*r.sigBytes;e[n>>>5]|=128<<24-n%32;var o=h.floor(t/4294967296),a=t;e[15+(64+n>>>9<<4)]=16711935&(o<<8|o>>>24)|4278255360&(o<<24|o>>>8),e[14+(64+n>>>9<<4)]=16711935&(a<<8|a>>>24)|4278255360&(a<<24|a>>>8),r.sigBytes=4*(e.length+1),this._process();for(var i=this._hash,s=i.words,c=0;c<4;c++){var f=s[c];s[c]=16711935&(f<<8|f>>>24)|4278255360&(f<<24|f>>>8)}return i},clone:function(){var r=n.clone.call(this);return r._hash=this._hash.clone(),r}});function j(r,e,t,n,o,a,i){var s=r+(e&t|~e&n)+o+i;return(s<<a|s>>>32-a)+e}function k(r,e,t,n,o,a,i){var s=r+(e&n|t&~n)+o+i;return(s<<a|s>>>32-a)+e}function q(r,e,t,n,o,a,i){var s=r+(e^t^n)+o+i;return(s<<a|s>>>32-a)+e}function z(r,e,t,n,o,a,i){var s=r+(t^(e|~n))+o+i;return(s<<a|s>>>32-a)+e}r.MD5=n._createHelper(a),r.HmacMD5=n._createHmacHelper(a)}(Math),i.MD5});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/evpkdf.min.js
      !function(e,t){"object"==typeof exports?module.exports=exports=t(require("./core"),require("./sha1"),require("./hmac")):"function"==typeof define&&define.amd?define(["./core","./sha1","./hmac"],t):t(e.CryptoJS)}(this,function(e){var t,r,i,u,n,o,a;return r=(t=e).lib,i=r.Base,u=r.WordArray,n=t.algo,o=n.MD5,a=n.EvpKDF=i.extend({cfg:i.extend({keySize:4,hasher:o,iterations:1}),init:function(e){this.cfg=this.cfg.extend(e)},compute:function(e,t){for(var r,i=this.cfg,n=i.hasher.create(),o=u.create(),a=o.words,c=i.keySize,f=i.iterations;a.length<c;){r&&n.update(r),r=n.update(e).finalize(t),n.reset();for(var s=1;s<f;s++)r=n.finalize(r),n.reset();o.concat(r)}return o.sigBytes=4*c,o}}),t.EvpKDF=function(e,t,r){return a.create(r).compute(e,t)},e.EvpKDF});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/cipher-core.min.js
      !function(e,t){"object"==typeof exports?module.exports=exports=t(require("./core"),require("./evpkdf")):"function"==typeof define&&define.amd?define(["./core","./evpkdf"],t):t(e.CryptoJS)}(this,function(m){m.lib.Cipher||function(){var e=m,t=e.lib,r=t.Base,a=t.WordArray,i=t.BufferedBlockAlgorithm,n=e.enc,c=(n.Utf8,n.Base64),o=e.algo.EvpKDF,s=t.Cipher=i.extend({cfg:r.extend(),createEncryptor:function(e,t){return this.create(this._ENC_XFORM_MODE,e,t)},createDecryptor:function(e,t){return this.create(this._DEC_XFORM_MODE,e,t)},init:function(e,t,r){this.cfg=this.cfg.extend(r),this._xformMode=e,this._key=t,this.reset()},reset:function(){i.reset.call(this),this._doReset()},process:function(e){return this._append(e),this._process()},finalize:function(e){return e&&this._append(e),this._doFinalize()},keySize:4,ivSize:4,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:function(i){return{encrypt:function(e,t,r){return f(t).encrypt(i,e,t,r)},decrypt:function(e,t,r){return f(t).decrypt(i,e,t,r)}}}});function f(e){return"string"==typeof e?g:k}t.StreamCipher=s.extend({_doFinalize:function(){return this._process(!0)},blockSize:1});var p,d=e.mode={},h=t.BlockCipherMode=r.extend({createEncryptor:function(e,t){return this.Encryptor.create(e,t)},createDecryptor:function(e,t){return this.Decryptor.create(e,t)},init:function(e,t){this._cipher=e,this._iv=t}}),u=d.CBC=((p=h.extend()).Encryptor=p.extend({processBlock:function(e,t){var r=this._cipher,i=r.blockSize;_.call(this,e,t,i),r.encryptBlock(e,t),this._prevBlock=e.slice(t,t+i)}}),p.Decryptor=p.extend({processBlock:function(e,t){var r=this._cipher,i=r.blockSize,n=e.slice(t,t+i);r.decryptBlock(e,t),_.call(this,e,t,i),this._prevBlock=n}}),p);function _(e,t,r){var i,n=this._iv;n?(i=n,this._iv=void 0):i=this._prevBlock;for(var c=0;c<r;c++)e[t+c]^=i[c]}var l=(e.pad={}).Pkcs7={pad:function(e,t){for(var r=4*t,i=r-e.sigBytes%r,n=i<<24|i<<16|i<<8|i,c=[],o=0;o<i;o+=4)c.push(n);var s=a.create(c,i);e.concat(s)},unpad:function(e){var t=255&e.words[e.sigBytes-1>>>2];e.sigBytes-=t}},y=(t.BlockCipher=s.extend({cfg:s.cfg.extend({mode:u,padding:l}),reset:function(){var e;s.reset.call(this);var t=this.cfg,r=t.iv,i=t.mode;this._xformMode==this._ENC_XFORM_MODE?e=i.createEncryptor:(e=i.createDecryptor,this._minBufferSize=1),this._mode&&this._mode.__creator==e?this._mode.init(this,r&&r.words):(this._mode=e.call(i,this,r&&r.words),this._mode.__creator=e)},_doProcessBlock:function(e,t){this._mode.processBlock(e,t)},_doFinalize:function(){var e,t=this.cfg.padding;return this._xformMode==this._ENC_XFORM_MODE?(t.pad(this._data,this.blockSize),e=this._process(!0)):(e=this._process(!0),t.unpad(e)),e},blockSize:4}),t.CipherParams=r.extend({init:function(e){this.mixIn(e)},toString:function(e){return(e||this.formatter).stringify(this)}})),v=(e.format={}).OpenSSL={stringify:function(e){var t=e.ciphertext,r=e.salt;return(r?a.create([1398893684,1701076831]).concat(r).concat(t):t).toString(c)},parse:function(e){var t,r=c.parse(e),i=r.words;return 1398893684==i[0]&&1701076831==i[1]&&(t=a.create(i.slice(2,4)),i.splice(0,4),r.sigBytes-=16),y.create({ciphertext:r,salt:t})}},k=t.SerializableCipher=r.extend({cfg:r.extend({format:v}),encrypt:function(e,t,r,i){i=this.cfg.extend(i);var n=e.createEncryptor(r,i),c=n.finalize(t),o=n.cfg;return y.create({ciphertext:c,key:r,iv:o.iv,algorithm:e,mode:o.mode,padding:o.padding,blockSize:e.blockSize,formatter:i.format})},decrypt:function(e,t,r,i){return i=this.cfg.extend(i),t=this._parse(t,i.format),e.createDecryptor(r,i).finalize(t.ciphertext)},_parse:function(e,t){return"string"==typeof e?t.parse(e,this):e}}),x=(e.kdf={}).OpenSSL={execute:function(e,t,r,i){i=i||a.random(8);var n=o.create({keySize:t+r}).compute(e,i),c=a.create(n.words.slice(t),4*r);return n.sigBytes=4*t,y.create({key:n,iv:c,salt:i})}},g=t.PasswordBasedCipher=k.extend({cfg:k.cfg.extend({kdf:x}),encrypt:function(e,t,r,i){var n=(i=this.cfg.extend(i)).kdf.execute(r,e.keySize,e.ivSize);i.iv=n.iv;var c=k.encrypt.call(this,e,t,n.key,i);return c.mixIn(n),c},decrypt:function(e,t,r,i){i=this.cfg.extend(i),t=this._parse(t,i.format);var n=i.kdf.execute(r,e.keySize,e.ivSize,t.salt);return i.iv=n.iv,k.decrypt.call(this,e,t,n.key,i)}})}()});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/aes.min.js
      !function(e,r){"object"==typeof exports?module.exports=exports=r(require("./core"),require("./enc-base64"),require("./md5"),require("./evpkdf"),require("./cipher-core")):"function"==typeof define&&define.amd?define(["./core","./enc-base64","./md5","./evpkdf","./cipher-core"],r):r(e.CryptoJS)}(this,function(t){return function(){var e=t,r=e.lib.BlockCipher,i=e.algo,f=[],u=[],h=[],y=[],a=[],p=[],v=[],_=[],k=[],l=[];!function(){for(var e=[],r=0;r<256;r++)e[r]=r<128?r<<1:r<<1^283;var i=0,o=0;for(r=0;r<256;r++){var t=o^o<<1^o<<2^o<<3^o<<4;t=t>>>8^255&t^99,f[i]=t;var n=e[u[t]=i],c=e[n],s=e[c],d=257*e[t]^16843008*t;h[i]=d<<24|d>>>8,y[i]=d<<16|d>>>16,a[i]=d<<8|d>>>24,p[i]=d;d=16843009*s^65537*c^257*n^16843008*i;v[t]=d<<24|d>>>8,_[t]=d<<16|d>>>16,k[t]=d<<8|d>>>24,l[t]=d,i?(i=n^e[e[e[s^n]]],o^=e[e[o]]):i=o=1}}();var S=[0,1,2,4,8,16,32,64,128,27,54],o=i.AES=r.extend({_doReset:function(){if(!this._nRounds||this._keyPriorReset!==this._key){for(var e=this._keyPriorReset=this._key,r=e.words,i=e.sigBytes/4,o=4*(1+(this._nRounds=6+i)),t=this._keySchedule=[],n=0;n<o;n++)n<i?t[n]=r[n]:(d=t[n-1],n%i?6<i&&n%i==4&&(d=f[d>>>24]<<24|f[d>>>16&255]<<16|f[d>>>8&255]<<8|f[255&d]):(d=f[(d=d<<8|d>>>24)>>>24]<<24|f[d>>>16&255]<<16|f[d>>>8&255]<<8|f[255&d],d^=S[n/i|0]<<24),t[n]=t[n-i]^d);for(var c=this._invKeySchedule=[],s=0;s<o;s++){n=o-s;if(s%4)var d=t[n];else d=t[n-4];c[s]=s<4||n<=4?d:v[f[d>>>24]]^_[f[d>>>16&255]]^k[f[d>>>8&255]]^l[f[255&d]]}}},encryptBlock:function(e,r){this._doCryptBlock(e,r,this._keySchedule,h,y,a,p,f)},decryptBlock:function(e,r){var i=e[r+1];e[r+1]=e[r+3],e[r+3]=i,this._doCryptBlock(e,r,this._invKeySchedule,v,_,k,l,u);i=e[r+1];e[r+1]=e[r+3],e[r+3]=i},_doCryptBlock:function(e,r,i,o,t,n,c,s){for(var d=this._nRounds,f=e[r]^i[0],u=e[r+1]^i[1],h=e[r+2]^i[2],y=e[r+3]^i[3],a=4,p=1;p<d;p++){var v=o[f>>>24]^t[u>>>16&255]^n[h>>>8&255]^c[255&y]^i[a++],_=o[u>>>24]^t[h>>>16&255]^n[y>>>8&255]^c[255&f]^i[a++],k=o[h>>>24]^t[y>>>16&255]^n[f>>>8&255]^c[255&u]^i[a++],l=o[y>>>24]^t[f>>>16&255]^n[u>>>8&255]^c[255&h]^i[a++];f=v,u=_,h=k,y=l}v=(s[f>>>24]<<24|s[u>>>16&255]<<16|s[h>>>8&255]<<8|s[255&y])^i[a++],_=(s[u>>>24]<<24|s[h>>>16&255]<<16|s[y>>>8&255]<<8|s[255&f])^i[a++],k=(s[h>>>24]<<24|s[y>>>16&255]<<16|s[f>>>8&255]<<8|s[255&u])^i[a++],l=(s[y>>>24]<<24|s[f>>>16&255]<<16|s[u>>>8&255]<<8|s[255&h])^i[a++];e[r]=v,e[r+1]=_,e[r+2]=k,e[r+3]=l},keySize:8});e.AES=r._createHelper(o)}(),t.AES});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/pad-pkcs7.min.js
      !function(e,r){"object"==typeof exports?module.exports=exports=r(require("./core"),require("./cipher-core")):"function"==typeof define&&define.amd?define(["./core","./cipher-core"],r):r(e.CryptoJS)}(this,function(e){return e.pad.Pkcs7});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/mode-ecb.min.js
      !function(e,o){"object"==typeof exports?module.exports=exports=o(require("./core"),require("./cipher-core")):"function"==typeof define&&define.amd?define(["./core","./cipher-core"],o):o(e.CryptoJS)}(this,function(e){var o;return e.mode.ECB=((o=e.lib.BlockCipherMode.extend()).Encryptor=o.extend({processBlock:function(e,o){this._cipher.encryptBlock(e,o)}}),o.Decryptor=o.extend({processBlock:function(e,o){this._cipher.decryptBlock(e,o)}}),o),e.mode.ECB});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/enc-utf8.min.js
      !function(e,o){"object"==typeof exports?module.exports=exports=o(require("./core")):"function"==typeof define&&define.amd?define(["./core"],o):o(e.CryptoJS)}(this,function(e){return e.enc.Utf8});
      //https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/enc-hex.min.js
      !function(e,o){"object"==typeof exports?module.exports=exports=o(require("./core")):"function"==typeof define&&define.amd?define(["./core"],o):o(e.CryptoJS)}(this,function(e){return e.enc.Hex});
      </script>
      <!-- 引入 CDN Crypto.js 结束 -->
    </head>
    <body>
      <p>AES简介:</p>
      <p>高级加密标准(AES,Advanced Encryption Standard)为最常见的对称加密算法,</p>
      <p>也就是加密和解密用相同的密钥</p>
      <p>微信小程序加密传输就是用这个加密算法的</p>
      <p>我们公司禁止使用简易加密,如MD5编码、Base64编码、URL编码。</p>
      <p>后台加密步骤为:对象=>JSON字符串=>加密=>JSON字符串=>前端</p>
      <p>前端解密步骤为:解密=>JSON对象</p>
    </body>
  </html>
  <script>
    function getCrypt(){
      var crypt_key = '049d65f30e854b08';//由后台提供
      var crypt_iv = '98da515e3935c342';//由后台提供
      var aes_key = CryptoJS.enc.Utf8.parse(crypt_key);  //解析后的key
      var new_iv = CryptoJS.enc.Utf8.parse(crypt_iv); //解析后的iv
      var obj = {
        iv: new_iv,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
      }
      function encrypt(data) {//以下加密
        encrypted = CryptoJS.AES.encrypt(data, aes_key, obj);
        return encrypted.toString()
      }
      function decrypt(data) {//以下解密
        decrypted = CryptoJS.AES.decrypt(data, aes_key, obj);
        return decrypted.toString(CryptoJS.enc.Utf8)
      }
      return{
        encrypt:encrypt,
        decrypt:decrypt
      }
    }
    var crypt= getCrypt();
    var strCrypt = 'zhangqiang,你好';
    var getEncrypt = crypt.encrypt(strCrypt);
    console.log(getEncrypt);
    var getDecrypt = crypt.decrypt(getEncrypt);
    console.log(getDecrypt);
    //可以通过正则匹配将非JSON格式的字符串getDecrypt转化为JSON格式的字符串,再通过JSON.parse转化为JSON格式的对象,供页面使用。
    //如果内层的某个对象需要以单引号字符串的形式展示在页面上,那么可以通过JSON.stringify将该对象转化为JSON格式的字符串,再通过正则匹配将双引号换成单引号
  </script>
2、RSA加密
  (1)jsencrypt.min.js
    /*! For license information please see jsencrypt.min.js.LICENSE.txt */
    !function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.JSEncrypt=e():t.JSEncrypt=e()}(window,(()=>(()=>{var t={155:t=>{var e,i,r=t.exports={};function n(){throw new Error("setTimeout has not been defined")}function s(){throw new Error("clearTimeout has not been defined")}function o(t){if(e===setTimeout)return setTimeout(t,0);if((e===n||!e)&&setTimeout)return e=setTimeout,setTimeout(t,0);try{return e(t,0)}catch(i){try{return e.call(null,t,0)}catch(i){return e.call(this,t,0)}}}!function(){try{e="function"==typeof setTimeout?setTimeout:n}catch(t){e=n}try{i="function"==typeof clearTimeout?clearTimeout:s}catch(t){i=s}}();var h,a=[],u=!1,c=-1;function f(){u&&h&&(u=!1,h.length?a=h.concat(a):c=-1,a.length&&l())}function l(){if(!u){var t=o(f);u=!0;for(var e=a.length;e;){for(h=a,a=[];++c<e;)h&&h[c].run();c=-1,e=a.length}h=null,u=!1,function(t){if(i===clearTimeout)return clearTimeout(t);if((i===s||!i)&&clearTimeout)return i=clearTimeout,clearTimeout(t);try{i(t)}catch(e){try{return i.call(null,t)}catch(e){return i.call(this,t)}}}(t)}}function p(t,e){this.fun=t,this.array=e}function g(){}r.nextTick=function(t){var e=new Array(arguments.length-1);if(arguments.length>1)for(var i=1;i<arguments.length;i++)e[i-1]=arguments[i];a.push(new p(t,e)),1!==a.length||u||o(l)},p.prototype.run=function(){this.fun.apply(null,this.array)},r.title="browser",r.browser=!0,r.env={},r.argv=[],r.version="",r.versions={},r.on=g,r.addListener=g,r.once=g,r.off=g,r.removeListener=g,r.removeAllListeners=g,r.emit=g,r.prependListener=g,r.prependOnceListener=g,r.listeners=function(t){return[]},r.binding=function(t){throw new Error("process.binding is not supported")},r.cwd=function(){return"/"},r.chdir=function(t){throw new Error("process.chdir is not supported")},r.umask=function(){return 0}}},e={};function i(r){var n=e[r];if(void 0!==n)return n.exports;var s=e[r]={exports:{}};return t[r](s,s.exports,i),s.exports}i.d=(t,e)=>{for(var r in e)i.o(e,r)&&!i.o(t,r)&&Object.defineProperty(t,r,{enumerable:!0,get:e[r]})},i.o=(t,e)=>Object.prototype.hasOwnProperty.call(t,e);var r={};return(()=>{"use strict";function t(t){return"0123456789abcdefghijklmnopqrstuvwxyz".charAt(t)}function e(t,e){return t&e}function n(t,e){return t|e}function s(t,e){return t^e}function o(t,e){return t&~e}function h(t){if(0==t)return-1;var e=0;return 0==(65535&t)&&(t>>=16,e+=16),0==(255&t)&&(t>>=8,e+=8),0==(15&t)&&(t>>=4,e+=4),0==(3&t)&&(t>>=2,e+=2),0==(1&t)&&++e,e}function a(t){for(var e=0;0!=t;)t&=t-1,++e;return e}i.d(r,{default:()=>ot});var u,c="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";function f(t){var e,i,r="";for(e=0;e+3<=t.length;e+=3)i=parseInt(t.substring(e,e+3),16),r+=c.charAt(i>>6)+c.charAt(63&i);for(e+1==t.length?(i=parseInt(t.substring(e,e+1),16),r+=c.charAt(i<<2)):e+2==t.length&&(i=parseInt(t.substring(e,e+2),16),r+=c.charAt(i>>2)+c.charAt((3&i)<<4));(3&r.length)>0;)r+="=";return r}function l(e){var i,r="",n=0,s=0;for(i=0;i<e.length&&"="!=e.charAt(i);++i){var o=c.indexOf(e.charAt(i));o<0||(0==n?(r+=t(o>>2),s=3&o,n=1):1==n?(r+=t(s<<2|o>>4),s=15&o,n=2):2==n?(r+=t(s),r+=t(o>>2),s=3&o,n=3):(r+=t(s<<2|o>>4),r+=t(15&o),n=0))}return 1==n&&(r+=t(s<<2)),r}var p,g={decode:function(t){var e;if(void 0===p){var i="= \f\n\r\t \u2028\u2029";for(p=Object.create(null),e=0;e<64;++e)p["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e)]=e;for(p["-"]=62,p._=63,e=0;e<i.length;++e)p[i.charAt(e)]=-1}var r=[],n=0,s=0;for(e=0;e<t.length;++e){var o=t.charAt(e);if("="==o)break;if(-1!=(o=p[o])){if(void 0===o)throw new Error("Illegal character at offset "+e);n|=o,++s>=4?(r[r.length]=n>>16,r[r.length]=n>>8&255,r[r.length]=255&n,n=0,s=0):n<<=6}}switch(s){case 1:throw new Error("Base64 encoding incomplete: at least 2 bits missing");case 2:r[r.length]=n>>10;break;case 3:r[r.length]=n>>16,r[r.length]=n>>8&255}return r},re:/-----BEGIN [^-]+-----([A-Za-z0-9+\/=\s]+)-----END [^-]+-----|begin-base64[^\n]+\n([A-Za-z0-9+\/=\s]+)====/,unarmor:function(t){var e=g.re.exec(t);if(e)if(e[1])t=e[1];else{if(!e[2])throw new Error("RegExp out of sync");t=e[2]}return g.decode(t)}},d=1e13,v=function(){function t(t){this.buf=[+t||0]}return t.prototype.mulAdd=function(t,e){var i,r,n=this.buf,s=n.length;for(i=0;i<s;++i)(r=n[i]*t+e)<d?e=0:r-=(e=0|r/d)*d,n[i]=r;e>0&&(n[i]=e)},t.prototype.sub=function(t){var e,i,r=this.buf,n=r.length;for(e=0;e<n;++e)(i=r[e]-t)<0?(i+=d,t=1):t=0,r[e]=i;for(;0===r[r.length-1];)r.pop()},t.prototype.toString=function(t){if(10!=(t||10))throw new Error("only base 10 is supported");for(var e=this.buf,i=e[e.length-1].toString(),r=e.length-2;r>=0;--r)i+=(d+e[r]).toString().substring(1);return i},t.prototype.valueOf=function(){for(var t=this.buf,e=0,i=t.length-1;i>=0;--i)e=e*d+t[i];return e},t.prototype.simplify=function(){var t=this.buf;return 1==t.length?t[0]:this},t}(),m=/^(\d\d)(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])([01]\d|2[0-3])(?:([0-5]\d)(?:([0-5]\d)(?:[.,](\d{1,3}))?)?)?(Z|[-+](?:[0]\d|1[0-2])([0-5]\d)?)?$/,y=/^(\d\d\d\d)(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])([01]\d|2[0-3])(?:([0-5]\d)(?:([0-5]\d)(?:[.,](\d{1,3}))?)?)?(Z|[-+](?:[0]\d|1[0-2])([0-5]\d)?)?$/;function b(t,e){return t.length>e&&(t=t.substring(0,e)+"…"),t}var T,S=function(){function t(e,i){this.hexDigits="0123456789ABCDEF",e instanceof t?(this.enc=e.enc,this.pos=e.pos):(this.enc=e,this.pos=i)}return t.prototype.get=function(t){if(void 0===t&&(t=this.pos++),t>=this.enc.length)throw new Error("Requesting byte offset ".concat(t," on a stream of length ").concat(this.enc.length));return"string"==typeof this.enc?this.enc.charCodeAt(t):this.enc[t]},t.prototype.hexByte=function(t){return this.hexDigits.charAt(t>>4&15)+this.hexDigits.charAt(15&t)},t.prototype.hexDump=function(t,e,i){for(var r="",n=t;n<e;++n)if(r+=this.hexByte(this.get(n)),!0!==i)switch(15&n){case 7:r+="  ";break;case 15:r+="\n";break;default:r+=" "}return r},t.prototype.isASCII=function(t,e){for(var i=t;i<e;++i){var r=this.get(i);if(r<32||r>176)return!1}return!0},t.prototype.parseStringISO=function(t,e){for(var i="",r=t;r<e;++r)i+=String.fromCharCode(this.get(r));return i},t.prototype.parseStringUTF=function(t,e){for(var i="",r=t;r<e;){var n=this.get(r++);i+=n<128?String.fromCharCode(n):n>191&&n<224?String.fromCharCode((31&n)<<6|63&this.get(r++)):String.fromCharCode((15&n)<<12|(63&this.get(r++))<<6|63&this.get(r++))}return i},t.prototype.parseStringBMP=function(t,e){for(var i,r,n="",s=t;s<e;)i=this.get(s++),r=this.get(s++),n+=String.fromCharCode(i<<8|r);return n},t.prototype.parseTime=function(t,e,i){var r=this.parseStringISO(t,e),n=(i?m:y).exec(r);return n?(i&&(n[1]=+n[1],n[1]+=+n[1]<70?2e3:1900),r=n[1]+"-"+n[2]+"-"+n[3]+" "+n[4],n[5]&&(r+=":"+n[5],n[6]&&(r+=":"+n[6],n[7]&&(r+="."+n[7]))),n[8]&&(r+=" UTC","Z"!=n[8]&&(r+=n[8],n[9]&&(r+=":"+n[9]))),r):"Unrecognized time: "+r},t.prototype.parseInteger=function(t,e){for(var i,r=this.get(t),n=r>127,s=n?255:0,o="";r==s&&++t<e;)r=this.get(t);if(0==(i=e-t))return n?-1:0;if(i>4){for(o=r,i<<=3;0==(128&(+o^s));)o=+o<<1,--i;o="("+i+" bit)\n"}n&&(r-=256);for(var h=new v(r),a=t+1;a<e;++a)h.mulAdd(256,this.get(a));return o+h.toString()},t.prototype.parseBitString=function(t,e,i){for(var r=this.get(t),n="("+((e-t-1<<3)-r)+" bit)\n",s="",o=t+1;o<e;++o){for(var h=this.get(o),a=o==e-1?r:0,u=7;u>=a;--u)s+=h>>u&1?"1":"0";if(s.length>i)return n+b(s,i)}return n+s},t.prototype.parseOctetString=function(t,e,i){if(this.isASCII(t,e))return b(this.parseStringISO(t,e),i);var r=e-t,n="("+r+" byte)\n";r>(i/=2)&&(e=t+i);for(var s=t;s<e;++s)n+=this.hexByte(this.get(s));return r>i&&(n+="…"),n},t.prototype.parseOID=function(t,e,i){for(var r="",n=new v,s=0,o=t;o<e;++o){var h=this.get(o);if(n.mulAdd(128,127&h),s+=7,!(128&h)){if(""===r)if((n=n.simplify())instanceof v)n.sub(80),r="2."+n.toString();else{var a=n<80?n<40?0:1:2;r=a+"."+(n-40*a)}else r+="."+n.toString();if(r.length>i)return b(r,i);n=new v,s=0}}return s>0&&(r+=".incomplete"),r},t}(),E=function(){function t(t,e,i,r,n){if(!(r instanceof w))throw new Error("Invalid tag value.");this.stream=t,this.header=e,this.length=i,this.tag=r,this.sub=n}return t.prototype.typeName=function(){switch(this.tag.tagClass){case 0:switch(this.tag.tagNumber){case 0:return"EOC";case 1:return"BOOLEAN";case 2:return"INTEGER";case 3:return"BIT_STRING";case 4:return"OCTET_STRING";case 5:return"NULL";case 6:return"OBJECT_IDENTIFIER";case 7:return"ObjectDescriptor";case 8:return"EXTERNAL";case 9:return"REAL";case 10:return"ENUMERATED";case 11:return"EMBEDDED_PDV";case 12:return"UTF8String";case 16:return"SEQUENCE";case 17:return"SET";case 18:return"NumericString";case 19:return"PrintableString";case 20:return"TeletexString";case 21:return"VideotexString";case 22:return"IA5String";case 23:return"UTCTime";case 24:return"GeneralizedTime";case 25:return"GraphicString";case 26:return"VisibleString";case 27:return"GeneralString";case 28:return"UniversalString";case 30:return"BMPString"}return"Universal_"+this.tag.tagNumber.toString();case 1:return"Application_"+this.tag.tagNumber.toString();case 2:return"["+this.tag.tagNumber.toString()+"]";case 3:return"Private_"+this.tag.tagNumber.toString()}},t.prototype.content=function(t){if(void 0===this.tag)return null;void 0===t&&(t=1/0);var e=this.posContent(),i=Math.abs(this.length);if(!this.tag.isUniversal())return null!==this.sub?"("+this.sub.length+" elem)":this.stream.parseOctetString(e,e+i,t);switch(this.tag.tagNumber){case 1:return 0===this.stream.get(e)?"false":"true";case 2:return this.stream.parseInteger(e,e+i);case 3:return this.sub?"("+this.sub.length+" elem)":this.stream.parseBitString(e,e+i,t);case 4:return this.sub?"("+this.sub.length+" elem)":this.stream.parseOctetString(e,e+i,t);case 6:return this.stream.parseOID(e,e+i,t);case 16:case 17:return null!==this.sub?"("+this.sub.length+" elem)":"(no elem)";case 12:return b(this.stream.parseStringUTF(e,e+i),t);case 18:case 19:case 20:case 21:case 22:case 26:return b(this.stream.parseStringISO(e,e+i),t);case 30:return b(this.stream.parseStringBMP(e,e+i),t);case 23:case 24:return this.stream.parseTime(e,e+i,23==this.tag.tagNumber)}return null},t.prototype.toString=function(){return this.typeName()+"@"+this.stream.pos+"[header:"+this.header+",length:"+this.length+",sub:"+(null===this.sub?"null":this.sub.length)+"]"},t.prototype.toPrettyString=function(t){void 0===t&&(t="");var e=t+this.typeName()+" @"+this.stream.pos;if(this.length>=0&&(e+="+"),e+=this.length,this.tag.tagConstructed?e+=" (constructed)":!this.tag.isUniversal()||3!=this.tag.tagNumber&&4!=this.tag.tagNumber||null===this.sub||(e+=" (encapsulates)"),e+="\n",null!==this.sub){t+="  ";for(var i=0,r=this.sub.length;i<r;++i)e+=this.sub[i].toPrettyString(t)}return e},t.prototype.posStart=function(){return this.stream.pos},t.prototype.posContent=function(){return this.stream.pos+this.header},t.prototype.posEnd=function(){return this.stream.pos+this.header+Math.abs(this.length)},t.prototype.toHexString=function(){return this.stream.hexDump(this.posStart(),this.posEnd(),!0)},t.decodeLength=function(t){var e=t.get(),i=127&e;if(i==e)return i;if(i>6)throw new Error("Length over 48 bits not supported at position "+(t.pos-1));if(0===i)return null;e=0;for(var r=0;r<i;++r)e=256*e+t.get();return e},t.prototype.getHexStringValue=function(){var t=this.toHexString(),e=2*this.header,i=2*this.length;return t.substr(e,i)},t.decode=function(e){var i;i=e instanceof S?e:new S(e,0);var r=new S(i),n=new w(i),s=t.decodeLength(i),o=i.pos,h=o-r.pos,a=null,u=function(){var e=[];if(null!==s){for(var r=o+s;i.pos<r;)e[e.length]=t.decode(i);if(i.pos!=r)throw new Error("Content size is not correct for container starting at offset "+o)}else try{for(;;){var n=t.decode(i);if(n.tag.isEOC())break;e[e.length]=n}s=o-i.pos}catch(t){throw new Error("Exception while decoding undefined length content: "+t)}return e};if(n.tagConstructed)a=u();else if(n.isUniversal()&&(3==n.tagNumber||4==n.tagNumber))try{if(3==n.tagNumber&&0!=i.get())throw new Error("BIT STRINGs with unused bits cannot encapsulate.");a=u();for(var c=0;c<a.length;++c)if(a[c].tag.isEOC())throw new Error("EOC is not supposed to be actual content.")}catch(t){a=null}if(null===a){if(null===s)throw new Error("We can't skip over an invalid tag with undefined length at offset "+o);i.pos=o+Math.abs(s)}return new t(r,h,s,n,a)},t}(),w=function(){function t(t){var e=t.get();if(this.tagClass=e>>6,this.tagConstructed=0!=(32&e),this.tagNumber=31&e,31==this.tagNumber){var i=new v;do{e=t.get(),i.mulAdd(128,127&e)}while(128&e);this.tagNumber=i.simplify()}}return t.prototype.isUniversal=function(){return 0===this.tagClass},t.prototype.isEOC=function(){return 0===this.tagClass&&0===this.tagNumber},t}(),D=[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997],x=(1<<26)/D[D.length-1],R=function(){function i(t,e,i){null!=t&&("number"==typeof t?this.fromNumber(t,e,i):null==e&&"string"!=typeof t?this.fromString(t,256):this.fromString(t,e))}return i.prototype.toString=function(e){if(this.s<0)return"-"+this.negate().toString(e);var i;if(16==e)i=4;else if(8==e)i=3;else if(2==e)i=1;else if(32==e)i=5;else{if(4!=e)return this.toRadix(e);i=2}var r,n=(1<<i)-1,s=!1,o="",h=this.t,a=this.DB-h*this.DB%i;if(h-- >0)for(a<this.DB&&(r=this[h]>>a)>0&&(s=!0,o=t(r));h>=0;)a<i?(r=(this[h]&(1<<a)-1)<<i-a,r|=this[--h]>>(a+=this.DB-i)):(r=this[h]>>(a-=i)&n,a<=0&&(a+=this.DB,--h)),r>0&&(s=!0),s&&(o+=t(r));return s?o:"0"},i.prototype.negate=function(){var t=I();return i.ZERO.subTo(this,t),t},i.prototype.abs=function(){return this.s<0?this.negate():this},i.prototype.compareTo=function(t){var e=this.s-t.s;if(0!=e)return e;var i=this.t;if(0!=(e=i-t.t))return this.s<0?-e:e;for(;--i>=0;)if(0!=(e=this[i]-t[i]))return e;return 0},i.prototype.bitLength=function(){return this.t<=0?0:this.DB*(this.t-1)+C(this[this.t-1]^this.s&this.DM)},i.prototype.mod=function(t){var e=I();return this.abs().divRemTo(t,null,e),this.s<0&&e.compareTo(i.ZERO)>0&&t.subTo(e,e),e},i.prototype.modPowInt=function(t,e){var i;return i=t<256||e.isEven()?new O(e):new A(e),this.exp(t,i)},i.prototype.clone=function(){var t=I();return this.copyTo(t),t},i.prototype.intValue=function(){if(this.s<0){if(1==this.t)return this[0]-this.DV;if(0==this.t)return-1}else{if(1==this.t)return this[0];if(0==this.t)return 0}return(this[1]&(1<<32-this.DB)-1)<<this.DB|this[0]},i.prototype.byteValue=function(){return 0==this.t?this.s:this[0]<<24>>24},i.prototype.shortValue=function(){return 0==this.t?this.s:this[0]<<16>>16},i.prototype.signum=function(){return this.s<0?-1:this.t<=0||1==this.t&&this[0]<=0?0:1},i.prototype.toByteArray=function(){var t=this.t,e=[];e[0]=this.s;var i,r=this.DB-t*this.DB%8,n=0;if(t-- >0)for(r<this.DB&&(i=this[t]>>r)!=(this.s&this.DM)>>r&&(e[n++]=i|this.s<<this.DB-r);t>=0;)r<8?(i=(this[t]&(1<<r)-1)<<8-r,i|=this[--t]>>(r+=this.DB-8)):(i=this[t]>>(r-=8)&255,r<=0&&(r+=this.DB,--t)),0!=(128&i)&&(i|=-256),0==n&&(128&this.s)!=(128&i)&&++n,(n>0||i!=this.s)&&(e[n++]=i);return e},i.prototype.equals=function(t){return 0==this.compareTo(t)},i.prototype.min=function(t){return this.compareTo(t)<0?this:t},i.prototype.max=function(t){return this.compareTo(t)>0?this:t},i.prototype.and=function(t){var i=I();return this.bitwiseTo(t,e,i),i},i.prototype.or=function(t){var e=I();return this.bitwiseTo(t,n,e),e},i.prototype.xor=function(t){var e=I();return this.bitwiseTo(t,s,e),e},i.prototype.andNot=function(t){var e=I();return this.bitwiseTo(t,o,e),e},i.prototype.not=function(){for(var t=I(),e=0;e<this.t;++e)t[e]=this.DM&~this[e];return t.t=this.t,t.s=~this.s,t},i.prototype.shiftLeft=function(t){var e=I();return t<0?this.rShiftTo(-t,e):this.lShiftTo(t,e),e},i.prototype.shiftRight=function(t){var e=I();return t<0?this.lShiftTo(-t,e):this.rShiftTo(t,e),e},i.prototype.getLowestSetBit=function(){for(var t=0;t<this.t;++t)if(0!=this[t])return t*this.DB+h(this[t]);return this.s<0?this.t*this.DB:-1},i.prototype.bitCount=function(){for(var t=0,e=this.s&this.DM,i=0;i<this.t;++i)t+=a(this[i]^e);return t},i.prototype.testBit=function(t){var e=Math.floor(t/this.DB);return e>=this.t?0!=this.s:0!=(this[e]&1<<t%this.DB)},i.prototype.setBit=function(t){return this.changeBit(t,n)},i.prototype.clearBit=function(t){return this.changeBit(t,o)},i.prototype.flipBit=function(t){return this.changeBit(t,s)},i.prototype.add=function(t){var e=I();return this.addTo(t,e),e},i.prototype.subtract=function(t){var e=I();return this.subTo(t,e),e},i.prototype.multiply=function(t){var e=I();return this.multiplyTo(t,e),e},i.prototype.divide=function(t){var e=I();return this.divRemTo(t,e,null),e},i.prototype.remainder=function(t){var e=I();return this.divRemTo(t,null,e),e},i.prototype.divideAndRemainder=function(t){var e=I(),i=I();return this.divRemTo(t,e,i),[e,i]},i.prototype.modPow=function(t,e){var i,r,n=t.bitLength(),s=H(1);if(n<=0)return s;i=n<18?1:n<48?3:n<144?4:n<768?5:6,r=n<8?new O(e):e.isEven()?new V(e):new A(e);var o=[],h=3,a=i-1,u=(1<<i)-1;if(o[1]=r.convert(this),i>1){var c=I();for(r.sqrTo(o[1],c);h<=u;)o[h]=I(),r.mulTo(c,o[h-2],o[h]),h+=2}var f,l,p=t.t-1,g=!0,d=I();for(n=C(t[p])-1;p>=0;){for(n>=a?f=t[p]>>n-a&u:(f=(t[p]&(1<<n+1)-1)<<a-n,p>0&&(f|=t[p-1]>>this.DB+n-a)),h=i;0==(1&f);)f>>=1,--h;if((n-=h)<0&&(n+=this.DB,--p),g)o[f].copyTo(s),g=!1;else{for(;h>1;)r.sqrTo(s,d),r.sqrTo(d,s),h-=2;h>0?r.sqrTo(s,d):(l=s,s=d,d=l),r.mulTo(d,o[f],s)}for(;p>=0&&0==(t[p]&1<<n);)r.sqrTo(s,d),l=s,s=d,d=l,--n<0&&(n=this.DB-1,--p)}return r.revert(s)},i.prototype.modInverse=function(t){var e=t.isEven();if(this.isEven()&&e||0==t.signum())return i.ZERO;for(var r=t.clone(),n=this.clone(),s=H(1),o=H(0),h=H(0),a=H(1);0!=r.signum();){for(;r.isEven();)r.rShiftTo(1,r),e?(s.isEven()&&o.isEven()||(s.addTo(this,s),o.subTo(t,o)),s.rShiftTo(1,s)):o.isEven()||o.subTo(t,o),o.rShiftTo(1,o);for(;n.isEven();)n.rShiftTo(1,n),e?(h.isEven()&&a.isEven()||(h.addTo(this,h),a.subTo(t,a)),h.rShiftTo(1,h)):a.isEven()||a.subTo(t,a),a.rShiftTo(1,a);r.compareTo(n)>=0?(r.subTo(n,r),e&&s.subTo(h,s),o.subTo(a,o)):(n.subTo(r,n),e&&h.subTo(s,h),a.subTo(o,a))}return 0!=n.compareTo(i.ONE)?i.ZERO:a.compareTo(t)>=0?a.subtract(t):a.signum()<0?(a.addTo(t,a),a.signum()<0?a.add(t):a):a},i.prototype.pow=function(t){return this.exp(t,new B)},i.prototype.gcd=function(t){var e=this.s<0?this.negate():this.clone(),i=t.s<0?t.negate():t.clone();if(e.compareTo(i)<0){var r=e;e=i,i=r}var n=e.getLowestSetBit(),s=i.getLowestSetBit();if(s<0)return e;for(n<s&&(s=n),s>0&&(e.rShiftTo(s,e),i.rShiftTo(s,i));e.signum()>0;)(n=e.getLowestSetBit())>0&&e.rShiftTo(n,e),(n=i.getLowestSetBit())>0&&i.rShiftTo(n,i),e.compareTo(i)>=0?(e.subTo(i,e),e.rShiftTo(1,e)):(i.subTo(e,i),i.rShiftTo(1,i));return s>0&&i.lShiftTo(s,i),i},i.prototype.isProbablePrime=function(t){var e,i=this.abs();if(1==i.t&&i[0]<=D[D.length-1]){for(e=0;e<D.length;++e)if(i[0]==D[e])return!0;return!1}if(i.isEven())return!1;for(e=1;e<D.length;){for(var r=D[e],n=e+1;n<D.length&&r<x;)r*=D[n++];for(r=i.modInt(r);e<n;)if(r%D[e++]==0)return!1}return i.millerRabin(t)},i.prototype.copyTo=function(t){for(var e=this.t-1;e>=0;--e)t[e]=this[e];t.t=this.t,t.s=this.s},i.prototype.fromInt=function(t){this.t=1,this.s=t<0?-1:0,t>0?this[0]=t:t<-1?this[0]=t+this.DV:this.t=0},i.prototype.fromString=function(t,e){var r;if(16==e)r=4;else if(8==e)r=3;else if(256==e)r=8;else if(2==e)r=1;else if(32==e)r=5;else{if(4!=e)return void this.fromRadix(t,e);r=2}this.t=0,this.s=0;for(var n=t.length,s=!1,o=0;--n>=0;){var h=8==r?255&+t[n]:q(t,n);h<0?"-"==t.charAt(n)&&(s=!0):(s=!1,0==o?this[this.t++]=h:o+r>this.DB?(this[this.t-1]|=(h&(1<<this.DB-o)-1)<<o,this[this.t++]=h>>this.DB-o):this[this.t-1]|=h<<o,(o+=r)>=this.DB&&(o-=this.DB))}8==r&&0!=(128&+t[0])&&(this.s=-1,o>0&&(this[this.t-1]|=(1<<this.DB-o)-1<<o)),this.clamp(),s&&i.ZERO.subTo(this,this)},i.prototype.clamp=function(){for(var t=this.s&this.DM;this.t>0&&this[this.t-1]==t;)--this.t},i.prototype.dlShiftTo=function(t,e){var i;for(i=this.t-1;i>=0;--i)e[i+t]=this[i];for(i=t-1;i>=0;--i)e[i]=0;e.t=this.t+t,e.s=this.s},i.prototype.drShiftTo=function(t,e){for(var i=t;i<this.t;++i)e[i-t]=this[i];e.t=Math.max(this.t-t,0),e.s=this.s},i.prototype.lShiftTo=function(t,e){for(var i=t%this.DB,r=this.DB-i,n=(1<<r)-1,s=Math.floor(t/this.DB),o=this.s<<i&this.DM,h=this.t-1;h>=0;--h)e[h+s+1]=this[h]>>r|o,o=(this[h]&n)<<i;for(h=s-1;h>=0;--h)e[h]=0;e[s]=o,e.t=this.t+s+1,e.s=this.s,e.clamp()},i.prototype.rShiftTo=function(t,e){e.s=this.s;var i=Math.floor(t/this.DB);if(i>=this.t)e.t=0;else{var r=t%this.DB,n=this.DB-r,s=(1<<r)-1;e[0]=this[i]>>r;for(var o=i+1;o<this.t;++o)e[o-i-1]|=(this[o]&s)<<n,e[o-i]=this[o]>>r;r>0&&(e[this.t-i-1]|=(this.s&s)<<n),e.t=this.t-i,e.clamp()}},i.prototype.subTo=function(t,e){for(var i=0,r=0,n=Math.min(t.t,this.t);i<n;)r+=this[i]-t[i],e[i++]=r&this.DM,r>>=this.DB;if(t.t<this.t){for(r-=t.s;i<this.t;)r+=this[i],e[i++]=r&this.DM,r>>=this.DB;r+=this.s}else{for(r+=this.s;i<t.t;)r-=t[i],e[i++]=r&this.DM,r>>=this.DB;r-=t.s}e.s=r<0?-1:0,r<-1?e[i++]=this.DV+r:r>0&&(e[i++]=r),e.t=i,e.clamp()},i.prototype.multiplyTo=function(t,e){var r=this.abs(),n=t.abs(),s=r.t;for(e.t=s+n.t;--s>=0;)e[s]=0;for(s=0;s<n.t;++s)e[s+r.t]=r.am(0,n[s],e,s,0,r.t);e.s=0,e.clamp(),this.s!=t.s&&i.ZERO.subTo(e,e)},i.prototype.squareTo=function(t){for(var e=this.abs(),i=t.t=2*e.t;--i>=0;)t[i]=0;for(i=0;i<e.t-1;++i){var r=e.am(i,e[i],t,2*i,0,1);(t[i+e.t]+=e.am(i+1,2*e[i],t,2*i+1,r,e.t-i-1))>=e.DV&&(t[i+e.t]-=e.DV,t[i+e.t+1]=1)}t.t>0&&(t[t.t-1]+=e.am(i,e[i],t,2*i,0,1)),t.s=0,t.clamp()},i.prototype.divRemTo=function(t,e,r){var n=t.abs();if(!(n.t<=0)){var s=this.abs();if(s.t<n.t)return null!=e&&e.fromInt(0),void(null!=r&&this.copyTo(r));null==r&&(r=I());var o=I(),h=this.s,a=t.s,u=this.DB-C(n[n.t-1]);u>0?(n.lShiftTo(u,o),s.lShiftTo(u,r)):(n.copyTo(o),s.copyTo(r));var c=o.t,f=o[c-1];if(0!=f){var l=f*(1<<this.F1)+(c>1?o[c-2]>>this.F2:0),p=this.FV/l,g=(1<<this.F1)/l,d=1<<this.F2,v=r.t,m=v-c,y=null==e?I():e;for(o.dlShiftTo(m,y),r.compareTo(y)>=0&&(r[r.t++]=1,r.subTo(y,r)),i.ONE.dlShiftTo(c,y),y.subTo(o,o);o.t<c;)o[o.t++]=0;for(;--m>=0;){var b=r[--v]==f?this.DM:Math.floor(r[v]*p+(r[v-1]+d)*g);if((r[v]+=o.am(0,b,r,m,0,c))<b)for(o.dlShiftTo(m,y),r.subTo(y,r);r[v]<--b;)r.subTo(y,r)}null!=e&&(r.drShiftTo(c,e),h!=a&&i.ZERO.subTo(e,e)),r.t=c,r.clamp(),u>0&&r.rShiftTo(u,r),h<0&&i.ZERO.subTo(r,r)}}},i.prototype.invDigit=function(){if(this.t<1)return 0;var t=this[0];if(0==(1&t))return 0;var e=3&t;return(e=(e=(e=(e=e*(2-(15&t)*e)&15)*(2-(255&t)*e)&255)*(2-((65535&t)*e&65535))&65535)*(2-t*e%this.DV)%this.DV)>0?this.DV-e:-e},i.prototype.isEven=function(){return 0==(this.t>0?1&this[0]:this.s)},i.prototype.exp=function(t,e){if(t>4294967295||t<1)return i.ONE;var r=I(),n=I(),s=e.convert(this),o=C(t)-1;for(s.copyTo(r);--o>=0;)if(e.sqrTo(r,n),(t&1<<o)>0)e.mulTo(n,s,r);else{var h=r;r=n,n=h}return e.revert(r)},i.prototype.chunkSize=function(t){return Math.floor(Math.LN2*this.DB/Math.log(t))},i.prototype.toRadix=function(t){if(null==t&&(t=10),0==this.signum()||t<2||t>36)return"0";var e=this.chunkSize(t),i=Math.pow(t,e),r=H(i),n=I(),s=I(),o="";for(this.divRemTo(r,n,s);n.signum()>0;)o=(i+s.intValue()).toString(t).substr(1)+o,n.divRemTo(r,n,s);return s.intValue().toString(t)+o},i.prototype.fromRadix=function(t,e){this.fromInt(0),null==e&&(e=10);for(var r=this.chunkSize(e),n=Math.pow(e,r),s=!1,o=0,h=0,a=0;a<t.length;++a){var u=q(t,a);u<0?"-"==t.charAt(a)&&0==this.signum()&&(s=!0):(h=e*h+u,++o>=r&&(this.dMultiply(n),this.dAddOffset(h,0),o=0,h=0))}o>0&&(this.dMultiply(Math.pow(e,o)),this.dAddOffset(h,0)),s&&i.ZERO.subTo(this,this)},i.prototype.fromNumber=function(t,e,r){if("number"==typeof e)if(t<2)this.fromInt(1);else for(this.fromNumber(t,r),this.testBit(t-1)||this.bitwiseTo(i.ONE.shiftLeft(t-1),n,this),this.isEven()&&this.dAddOffset(1,0);!this.isProbablePrime(e);)this.dAddOffset(2,0),this.bitLength()>t&&this.subTo(i.ONE.shiftLeft(t-1),this);else{var s=[],o=7&t;s.length=1+(t>>3),e.nextBytes(s),o>0?s[0]&=(1<<o)-1:s[0]=0,this.fromString(s,256)}},i.prototype.bitwiseTo=function(t,e,i){var r,n,s=Math.min(t.t,this.t);for(r=0;r<s;++r)i[r]=e(this[r],t[r]);if(t.t<this.t){for(n=t.s&this.DM,r=s;r<this.t;++r)i[r]=e(this[r],n);i.t=this.t}else{for(n=this.s&this.DM,r=s;r<t.t;++r)i[r]=e(n,t[r]);i.t=t.t}i.s=e(this.s,t.s),i.clamp()},i.prototype.changeBit=function(t,e){var r=i.ONE.shiftLeft(t);return this.bitwiseTo(r,e,r),r},i.prototype.addTo=function(t,e){for(var i=0,r=0,n=Math.min(t.t,this.t);i<n;)r+=this[i]+t[i],e[i++]=r&this.DM,r>>=this.DB;if(t.t<this.t){for(r+=t.s;i<this.t;)r+=this[i],e[i++]=r&this.DM,r>>=this.DB;r+=this.s}else{for(r+=this.s;i<t.t;)r+=t[i],e[i++]=r&this.DM,r>>=this.DB;r+=t.s}e.s=r<0?-1:0,r>0?e[i++]=r:r<-1&&(e[i++]=this.DV+r),e.t=i,e.clamp()},i.prototype.dMultiply=function(t){this[this.t]=this.am(0,t-1,this,0,0,this.t),++this.t,this.clamp()},i.prototype.dAddOffset=function(t,e){if(0!=t){for(;this.t<=e;)this[this.t++]=0;for(this[e]+=t;this[e]>=this.DV;)this[e]-=this.DV,++e>=this.t&&(this[this.t++]=0),++this[e]}},i.prototype.multiplyLowerTo=function(t,e,i){var r=Math.min(this.t+t.t,e);for(i.s=0,i.t=r;r>0;)i[--r]=0;for(var n=i.t-this.t;r<n;++r)i[r+this.t]=this.am(0,t[r],i,r,0,this.t);for(n=Math.min(t.t,e);r<n;++r)this.am(0,t[r],i,r,0,e-r);i.clamp()},i.prototype.multiplyUpperTo=function(t,e,i){--e;var r=i.t=this.t+t.t-e;for(i.s=0;--r>=0;)i[r]=0;for(r=Math.max(e-this.t,0);r<t.t;++r)i[this.t+r-e]=this.am(e-r,t[r],i,0,0,this.t+r-e);i.clamp(),i.drShiftTo(1,i)},i.prototype.modInt=function(t){if(t<=0)return 0;var e=this.DV%t,i=this.s<0?t-1:0;if(this.t>0)if(0==e)i=this[0]%t;else for(var r=this.t-1;r>=0;--r)i=(e*i+this[r])%t;return i},i.prototype.millerRabin=function(t){var e=this.subtract(i.ONE),r=e.getLowestSetBit();if(r<=0)return!1;var n=e.shiftRight(r);(t=t+1>>1)>D.length&&(t=D.length);for(var s=I(),o=0;o<t;++o){s.fromInt(D[Math.floor(Math.random()*D.length)]);var h=s.modPow(n,this);if(0!=h.compareTo(i.ONE)&&0!=h.compareTo(e)){for(var a=1;a++<r&&0!=h.compareTo(e);)if(0==(h=h.modPowInt(2,this)).compareTo(i.ONE))return!1;if(0!=h.compareTo(e))return!1}}return!0},i.prototype.square=function(){var t=I();return this.squareTo(t),t},i.prototype.gcda=function(t,e){var i=this.s<0?this.negate():this.clone(),r=t.s<0?t.negate():t.clone();if(i.compareTo(r)<0){var n=i;i=r,r=n}var s=i.getLowestSetBit(),o=r.getLowestSetBit();if(o<0)e(i);else{s<o&&(o=s),o>0&&(i.rShiftTo(o,i),r.rShiftTo(o,r));var h=function(){(s=i.getLowestSetBit())>0&&i.rShiftTo(s,i),(s=r.getLowestSetBit())>0&&r.rShiftTo(s,r),i.compareTo(r)>=0?(i.subTo(r,i),i.rShiftTo(1,i)):(r.subTo(i,r),r.rShiftTo(1,r)),i.signum()>0?setTimeout(h,0):(o>0&&r.lShiftTo(o,r),setTimeout((function(){e(r)}),0))};setTimeout(h,10)}},i.prototype.fromNumberAsync=function(t,e,r,s){if("number"==typeof e)if(t<2)this.fromInt(1);else{this.fromNumber(t,r),this.testBit(t-1)||this.bitwiseTo(i.ONE.shiftLeft(t-1),n,this),this.isEven()&&this.dAddOffset(1,0);var o=this,h=function(){o.dAddOffset(2,0),o.bitLength()>t&&o.subTo(i.ONE.shiftLeft(t-1),o),o.isProbablePrime(e)?setTimeout((function(){s()}),0):setTimeout(h,0)};setTimeout(h,0)}else{var a=[],u=7&t;a.length=1+(t>>3),e.nextBytes(a),u>0?a[0]&=(1<<u)-1:a[0]=0,this.fromString(a,256)}},i}(),B=function(){function t(){}return t.prototype.convert=function(t){return t},t.prototype.revert=function(t){return t},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i)},t.prototype.sqrTo=function(t,e){t.squareTo(e)},t}(),O=function(){function t(t){this.m=t}return t.prototype.convert=function(t){return t.s<0||t.compareTo(this.m)>=0?t.mod(this.m):t},t.prototype.revert=function(t){return t},t.prototype.reduce=function(t){t.divRemTo(this.m,null,t)},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i),this.reduce(i)},t.prototype.sqrTo=function(t,e){t.squareTo(e),this.reduce(e)},t}(),A=function(){function t(t){this.m=t,this.mp=t.invDigit(),this.mpl=32767&this.mp,this.mph=this.mp>>15,this.um=(1<<t.DB-15)-1,this.mt2=2*t.t}return t.prototype.convert=function(t){var e=I();return t.abs().dlShiftTo(this.m.t,e),e.divRemTo(this.m,null,e),t.s<0&&e.compareTo(R.ZERO)>0&&this.m.subTo(e,e),e},t.prototype.revert=function(t){var e=I();return t.copyTo(e),this.reduce(e),e},t.prototype.reduce=function(t){for(;t.t<=this.mt2;)t[t.t++]=0;for(var e=0;e<this.m.t;++e){var i=32767&t[e],r=i*this.mpl+((i*this.mph+(t[e]>>15)*this.mpl&this.um)<<15)&t.DM;for(t[i=e+this.m.t]+=this.m.am(0,r,t,e,0,this.m.t);t[i]>=t.DV;)t[i]-=t.DV,t[++i]++}t.clamp(),t.drShiftTo(this.m.t,t),t.compareTo(this.m)>=0&&t.subTo(this.m,t)},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i),this.reduce(i)},t.prototype.sqrTo=function(t,e){t.squareTo(e),this.reduce(e)},t}(),V=function(){function t(t){this.m=t,this.r2=I(),this.q3=I(),R.ONE.dlShiftTo(2*t.t,this.r2),this.mu=this.r2.divide(t)}return t.prototype.convert=function(t){if(t.s<0||t.t>2*this.m.t)return t.mod(this.m);if(t.compareTo(this.m)<0)return t;var e=I();return t.copyTo(e),this.reduce(e),e},t.prototype.revert=function(t){return t},t.prototype.reduce=function(t){for(t.drShiftTo(this.m.t-1,this.r2),t.t>this.m.t+1&&(t.t=this.m.t+1,t.clamp()),this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3),this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);t.compareTo(this.r2)<0;)t.dAddOffset(1,this.m.t+1);for(t.subTo(this.r2,t);t.compareTo(this.m)>=0;)t.subTo(this.m,t)},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i),this.reduce(i)},t.prototype.sqrTo=function(t,e){t.squareTo(e),this.reduce(e)},t}();function I(){return new R(null)}function N(t,e){return new R(t,e)}var P="undefined"!=typeof navigator;P&&"Microsoft Internet Explorer"==navigator.appName?(R.prototype.am=function(t,e,i,r,n,s){for(var o=32767&e,h=e>>15;--s>=0;){var a=32767&this[t],u=this[t++]>>15,c=h*a+u*o;n=((a=o*a+((32767&c)<<15)+i[r]+(1073741823&n))>>>30)+(c>>>15)+h*u+(n>>>30),i[r++]=1073741823&a}return n},T=30):P&&"Netscape"!=navigator.appName?(R.prototype.am=function(t,e,i,r,n,s){for(;--s>=0;){var o=e*this[t++]+i[r]+n;n=Math.floor(o/67108864),i[r++]=67108863&o}return n},T=26):(R.prototype.am=function(t,e,i,r,n,s){for(var o=16383&e,h=e>>14;--s>=0;){var a=16383&this[t],u=this[t++]>>14,c=h*a+u*o;n=((a=o*a+((16383&c)<<14)+i[r]+n)>>28)+(c>>14)+h*u,i[r++]=268435455&a}return n},T=28),R.prototype.DB=T,R.prototype.DM=(1<<T)-1,R.prototype.DV=1<<T,R.prototype.FV=Math.pow(2,52),R.prototype.F1=52-T,R.prototype.F2=2*T-52;var M,L,j=[];for(M="0".charCodeAt(0),L=0;L<=9;++L)j[M++]=L;for(M="a".charCodeAt(0),L=10;L<36;++L)j[M++]=L;for(M="A".charCodeAt(0),L=10;L<36;++L)j[M++]=L;function q(t,e){var i=j[t.charCodeAt(e)];return null==i?-1:i}function H(t){var e=I();return e.fromInt(t),e}function C(t){var e,i=1;return 0!=(e=t>>>16)&&(t=e,i+=16),0!=(e=t>>8)&&(t=e,i+=8),0!=(e=t>>4)&&(t=e,i+=4),0!=(e=t>>2)&&(t=e,i+=2),0!=(e=t>>1)&&(t=e,i+=1),i}R.ZERO=H(0),R.ONE=H(1);var F,U,K=function(){function t(){this.i=0,this.j=0,this.S=[]}return t.prototype.init=function(t){var e,i,r;for(e=0;e<256;++e)this.S[e]=e;for(i=0,e=0;e<256;++e)i=i+this.S[e]+t[e%t.length]&255,r=this.S[e],this.S[e]=this.S[i],this.S[i]=r;this.i=0,this.j=0},t.prototype.next=function(){var t;return this.i=this.i+1&255,this.j=this.j+this.S[this.i]&255,t=this.S[this.i],this.S[this.i]=this.S[this.j],this.S[this.j]=t,this.S[t+this.S[this.i]&255]},t}(),k=null;if(null==k){k=[],U=0;var _=void 0;if("undefined"!=typeof window&&window.crypto&&window.crypto.getRandomValues){var z=new Uint32Array(256);for(window.crypto.getRandomValues(z),_=0;_<z.length;++_)k[U++]=255&z[_]}var Z=0,G=function(t){if((Z=Z||0)>=256||U>=256)window.removeEventListener?window.removeEventListener("mousemove",G,!1):window.detachEvent&&window.detachEvent("onmousemove",G);else try{var e=t.x+t.y;k[U++]=255&e,Z+=1}catch(t){}};"undefined"!=typeof window&&(window.addEventListener?window.addEventListener("mousemove",G,!1):window.attachEvent&&window.attachEvent("onmousemove",G))}function $(){if(null==F){for(F=new K;U<256;){var t=Math.floor(65536*Math.random());k[U++]=255&t}for(F.init(k),U=0;U<k.length;++U)k[U]=0;U=0}return F.next()}var Y=function(){function t(){}return t.prototype.nextBytes=function(t){for(var e=0;e<t.length;++e)t[e]=$()},t}(),J=function(){function t(){this.n=null,this.e=0,this.d=null,this.p=null,this.q=null,this.dmp1=null,this.dmq1=null,this.coeff=null}return t.prototype.doPublic=function(t){return t.modPowInt(this.e,this.n)},t.prototype.doPrivate=function(t){if(null==this.p||null==this.q)return t.modPow(this.d,this.n);for(var e=t.mod(this.p).modPow(this.dmp1,this.p),i=t.mod(this.q).modPow(this.dmq1,this.q);e.compareTo(i)<0;)e=e.add(this.p);return e.subtract(i).multiply(this.coeff).mod(this.p).multiply(this.q).add(i)},t.prototype.setPublic=function(t,e){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=N(t,16),this.e=parseInt(e,16)):console.error("Invalid RSA public key")},t.prototype.encrypt=function(t){var e=this.n.bitLength()+7>>3,i=function(t,e){if(e<t.length+11)return console.error("Message too long for RSA"),null;for(var i=[],r=t.length-1;r>=0&&e>0;){var n=t.charCodeAt(r--);n<128?i[--e]=n:n>127&&n<2048?(i[--e]=63&n|128,i[--e]=n>>6|192):(i[--e]=63&n|128,i[--e]=n>>6&63|128,i[--e]=n>>12|224)}i[--e]=0;for(var s=new Y,o=[];e>2;){for(o[0]=0;0==o[0];)s.nextBytes(o);i[--e]=o[0]}return i[--e]=2,i[--e]=0,new R(i)}(t,e);if(null==i)return null;var r=this.doPublic(i);if(null==r)return null;for(var n=r.toString(16),s=n.length,o=0;o<2*e-s;o++)n="0"+n;return n},t.prototype.setPrivate=function(t,e,i){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=N(t,16),this.e=parseInt(e,16),this.d=N(i,16)):console.error("Invalid RSA private key")},t.prototype.setPrivateEx=function(t,e,i,r,n,s,o,h){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=N(t,16),this.e=parseInt(e,16),this.d=N(i,16),this.p=N(r,16),this.q=N(n,16),this.dmp1=N(s,16),this.dmq1=N(o,16),this.coeff=N(h,16)):console.error("Invalid RSA private key")},t.prototype.generate=function(t,e){var i=new Y,r=t>>1;this.e=parseInt(e,16);for(var n=new R(e,16);;){for(;this.p=new R(t-r,1,i),0!=this.p.subtract(R.ONE).gcd(n).compareTo(R.ONE)||!this.p.isProbablePrime(10););for(;this.q=new R(r,1,i),0!=this.q.subtract(R.ONE).gcd(n).compareTo(R.ONE)||!this.q.isProbablePrime(10););if(this.p.compareTo(this.q)<=0){var s=this.p;this.p=this.q,this.q=s}var o=this.p.subtract(R.ONE),h=this.q.subtract(R.ONE),a=o.multiply(h);if(0==a.gcd(n).compareTo(R.ONE)){this.n=this.p.multiply(this.q),this.d=n.modInverse(a),this.dmp1=this.d.mod(o),this.dmq1=this.d.mod(h),this.coeff=this.q.modInverse(this.p);break}}},t.prototype.decrypt=function(t){var e=N(t,16),i=this.doPrivate(e);return null==i?null:function(t,e){for(var i=t.toByteArray(),r=0;r<i.length&&0==i[r];)++r;if(i.length-r!=e-1||2!=i[r])return null;for(++r;0!=i[r];)if(++r>=i.length)return null;for(var n="";++r<i.length;){var s=255&i[r];s<128?n+=String.fromCharCode(s):s>191&&s<224?(n+=String.fromCharCode((31&s)<<6|63&i[r+1]),++r):(n+=String.fromCharCode((15&s)<<12|(63&i[r+1])<<6|63&i[r+2]),r+=2)}return n}(i,this.n.bitLength()+7>>3)},t.prototype.generateAsync=function(t,e,i){var r=new Y,n=t>>1;this.e=parseInt(e,16);var s=new R(e,16),o=this,h=function(){var e=function(){if(o.p.compareTo(o.q)<=0){var t=o.p;o.p=o.q,o.q=t}var e=o.p.subtract(R.ONE),r=o.q.subtract(R.ONE),n=e.multiply(r);0==n.gcd(s).compareTo(R.ONE)?(o.n=o.p.multiply(o.q),o.d=s.modInverse(n),o.dmp1=o.d.mod(e),o.dmq1=o.d.mod(r),o.coeff=o.q.modInverse(o.p),setTimeout((function(){i()}),0)):setTimeout(h,0)},a=function(){o.q=I(),o.q.fromNumberAsync(n,1,r,(function(){o.q.subtract(R.ONE).gcda(s,(function(t){0==t.compareTo(R.ONE)&&o.q.isProbablePrime(10)?setTimeout(e,0):setTimeout(a,0)}))}))},u=function(){o.p=I(),o.p.fromNumberAsync(t-n,1,r,(function(){o.p.subtract(R.ONE).gcda(s,(function(t){0==t.compareTo(R.ONE)&&o.p.isProbablePrime(10)?setTimeout(a,0):setTimeout(u,0)}))}))};setTimeout(u,0)};setTimeout(h,0)},t.prototype.sign=function(t,e,i){var r=function(t,e){if(e<t.length+22)return console.error("Message too long for RSA"),null;for(var i=e-t.length-6,r="",n=0;n<i;n+=2)r+="ff";return N("0001"+r+"00"+t,16)}((X[i]||"")+e(t).toString(),this.n.bitLength()/4);if(null==r)return null;var n=this.doPrivate(r);if(null==n)return null;var s=n.toString(16);return 0==(1&s.length)?s:"0"+s},t.prototype.verify=function(t,e,i){var r=N(e,16),n=this.doPublic(r);return null==n?null:function(t){for(var e in X)if(X.hasOwnProperty(e)){var i=X[e],r=i.length;if(t.substr(0,r)==i)return t.substr(r)}return t}(n.toString(16).replace(/^1f+00/,""))==i(t).toString()},t}(),X={md2:"3020300c06082a864886f70d020205000410",md5:"3020300c06082a864886f70d020505000410",sha1:"3021300906052b0e03021a05000414",sha224:"302d300d06096086480165030402040500041c",sha256:"3031300d060960864801650304020105000420",sha384:"3041300d060960864801650304020205000430",sha512:"3051300d060960864801650304020305000440",ripemd160:"3021300906052b2403020105000414"},Q={};Q.lang={extend:function(t,e,i){if(!e||!t)throw new Error("YAHOO.lang.extend failed, please check that all dependencies are included.");var r=function(){};if(r.prototype=e.prototype,t.prototype=new r,t.prototype.constructor=t,t.superclass=e.prototype,e.prototype.constructor==Object.prototype.constructor&&(e.prototype.constructor=e),i){var n;for(n in i)t.prototype[n]=i[n];var s=function(){},o=["toString","valueOf"];try{/MSIE/.test(navigator.userAgent)&&(s=function(t,e){for(n=0;n<o.length;n+=1){var i=o[n],r=e[i];"function"==typeof r&&r!=Object.prototype[i]&&(t[i]=r)}})}catch(t){}s(t.prototype,i)}}};var W={};void 0!==W.asn1&&W.asn1||(W.asn1={}),W.asn1.ASN1Util=new function(){this.integerToByteHex=function(t){var e=t.toString(16);return e.length%2==1&&(e="0"+e),e},this.bigIntToMinTwosComplementsHex=function(t){var e=t.toString(16);if("-"!=e.substr(0,1))e.length%2==1?e="0"+e:e.match(/^[0-7]/)||(e="00"+e);else{var i=e.substr(1).length;i%2==1?i+=1:e.match(/^[0-7]/)||(i+=2);for(var r="",n=0;n<i;n++)r+="f";e=new R(r,16).xor(t).add(R.ONE).toString(16).replace(/^-/,"")}return e},this.getPEMStringFromHex=function(t,e){return hextopem(t,e)},this.newObject=function(t){var e=W.asn1,i=e.DERBoolean,r=e.DERInteger,n=e.DERBitString,s=e.DEROctetString,o=e.DERNull,h=e.DERObjectIdentifier,a=e.DEREnumerated,u=e.DERUTF8String,c=e.DERNumericString,f=e.DERPrintableString,l=e.DERTeletexString,p=e.DERIA5String,g=e.DERUTCTime,d=e.DERGeneralizedTime,v=e.DERSequence,m=e.DERSet,y=e.DERTaggedObject,b=e.ASN1Util.newObject,T=Object.keys(t);if(1!=T.length)throw"key of param shall be only one.";var S=T[0];if(-1==":bool:int:bitstr:octstr:null:oid:enum:utf8str:numstr:prnstr:telstr:ia5str:utctime:gentime:seq:set:tag:".indexOf(":"+S+":"))throw"undefined key: "+S;if("bool"==S)return new i(t[S]);if("int"==S)return new r(t[S]);if("bitstr"==S)return new n(t[S]);if("octstr"==S)return new s(t[S]);if("null"==S)return new o(t[S]);if("oid"==S)return new h(t[S]);if("enum"==S)return new a(t[S]);if("utf8str"==S)return new u(t[S]);if("numstr"==S)return new c(t[S]);if("prnstr"==S)return new f(t[S]);if("telstr"==S)return new l(t[S]);if("ia5str"==S)return new p(t[S]);if("utctime"==S)return new g(t[S]);if("gentime"==S)return new d(t[S]);if("seq"==S){for(var E=t[S],w=[],D=0;D<E.length;D++){var x=b(E[D]);w.push(x)}return new v({array:w})}if("set"==S){for(E=t[S],w=[],D=0;D<E.length;D++)x=b(E[D]),w.push(x);return new m({array:w})}if("tag"==S){var R=t[S];if("[object Array]"===Object.prototype.toString.call(R)&&3==R.length){var B=b(R[2]);return new y({tag:R[0],explicit:R[1],obj:B})}var O={};if(void 0!==R.explicit&&(O.explicit=R.explicit),void 0!==R.tag&&(O.tag=R.tag),void 0===R.obj)throw"obj shall be specified for 'tag'.";return O.obj=b(R.obj),new y(O)}},this.jsonToASN1HEX=function(t){return this.newObject(t).getEncodedHex()}},W.asn1.ASN1Util.oidHexToInt=function(t){for(var e="",i=parseInt(t.substr(0,2),16),r=(e=Math.floor(i/40)+"."+i%40,""),n=2;n<t.length;n+=2){var s=("00000000"+parseInt(t.substr(n,2),16).toString(2)).slice(-8);r+=s.substr(1,7),"0"==s.substr(0,1)&&(e=e+"."+new R(r,2).toString(10),r="")}return e},W.asn1.ASN1Util.oidIntToHex=function(t){var e=function(t){var e=t.toString(16);return 1==e.length&&(e="0"+e),e},i=function(t){var i="",r=new R(t,10).toString(2),n=7-r.length%7;7==n&&(n=0);for(var s="",o=0;o<n;o++)s+="0";for(r=s+r,o=0;o<r.length-1;o+=7){var h=r.substr(o,7);o!=r.length-7&&(h="1"+h),i+=e(parseInt(h,2))}return i};if(!t.match(/^[0-9.]+$/))throw"malformed oid string: "+t;var r="",n=t.split("."),s=40*parseInt(n[0])+parseInt(n[1]);r+=e(s),n.splice(0,2);for(var o=0;o<n.length;o++)r+=i(n[o]);return r},W.asn1.ASN1Object=function(){this.getLengthHexFromValue=function(){if(void 0===this.hV||null==this.hV)throw"this.hV is null or undefined.";if(this.hV.length%2==1)throw"value hex must be even length: n="+"".length+",v="+this.hV;var t=this.hV.length/2,e=t.toString(16);if(e.length%2==1&&(e="0"+e),t<128)return e;var i=e.length/2;if(i>15)throw"ASN.1 length too long to represent by 8x: n = "+t.toString(16);return(128+i).toString(16)+e},this.getEncodedHex=function(){return(null==this.hTLV||this.isModified)&&(this.hV=this.getFreshValueHex(),this.hL=this.getLengthHexFromValue(),this.hTLV=this.hT+this.hL+this.hV,this.isModified=!1),this.hTLV},this.getValueHex=function(){return this.getEncodedHex(),this.hV},this.getFreshValueHex=function(){return""}},W.asn1.DERAbstractString=function(t){W.asn1.DERAbstractString.superclass.constructor.call(this),this.getString=function(){return this.s},this.setString=function(t){this.hTLV=null,this.isModified=!0,this.s=t,this.hV=stohex(this.s)},this.setStringHex=function(t){this.hTLV=null,this.isModified=!0,this.s=null,this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t?this.setString(t):void 0!==t.str?this.setString(t.str):void 0!==t.hex&&this.setStringHex(t.hex))},Q.lang.extend(W.asn1.DERAbstractString,W.asn1.ASN1Object),W.asn1.DERAbstractTime=function(t){W.asn1.DERAbstractTime.superclass.constructor.call(this),this.localDateToUTC=function(t){return utc=t.getTime()+6e4*t.getTimezoneOffset(),new Date(utc)},this.formatDate=function(t,e,i){var r=this.zeroPadding,n=this.localDateToUTC(t),s=String(n.getFullYear());"utc"==e&&(s=s.substr(2,2));var o=s+r(String(n.getMonth()+1),2)+r(String(n.getDate()),2)+r(String(n.getHours()),2)+r(String(n.getMinutes()),2)+r(String(n.getSeconds()),2);if(!0===i){var h=n.getMilliseconds();if(0!=h){var a=r(String(h),3);o=o+"."+(a=a.replace(/[0]+$/,""))}}return o+"Z"},this.zeroPadding=function(t,e){return t.length>=e?t:new Array(e-t.length+1).join("0")+t},this.getString=function(){return this.s},this.setString=function(t){this.hTLV=null,this.isModified=!0,this.s=t,this.hV=stohex(t)},this.setByDateValue=function(t,e,i,r,n,s){var o=new Date(Date.UTC(t,e-1,i,r,n,s,0));this.setByDate(o)},this.getFreshValueHex=function(){return this.hV}},Q.lang.extend(W.asn1.DERAbstractTime,W.asn1.ASN1Object),W.asn1.DERAbstractStructured=function(t){W.asn1.DERAbstractString.superclass.constructor.call(this),this.setByASN1ObjectArray=function(t){this.hTLV=null,this.isModified=!0,this.asn1Array=t},this.appendASN1Object=function(t){this.hTLV=null,this.isModified=!0,this.asn1Array.push(t)},this.asn1Array=new Array,void 0!==t&&void 0!==t.array&&(this.asn1Array=t.array)},Q.lang.extend(W.asn1.DERAbstractStructured,W.asn1.ASN1Object),W.asn1.DERBoolean=function(){W.asn1.DERBoolean.superclass.constructor.call(this),this.hT="01",this.hTLV="0101ff"},Q.lang.extend(W.asn1.DERBoolean,W.asn1.ASN1Object),W.asn1.DERInteger=function(t){W.asn1.DERInteger.superclass.constructor.call(this),this.hT="02",this.setByBigInteger=function(t){this.hTLV=null,this.isModified=!0,this.hV=W.asn1.ASN1Util.bigIntToMinTwosComplementsHex(t)},this.setByInteger=function(t){var e=new R(String(t),10);this.setByBigInteger(e)},this.setValueHex=function(t){this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.bigint?this.setByBigInteger(t.bigint):void 0!==t.int?this.setByInteger(t.int):"number"==typeof t?this.setByInteger(t):void 0!==t.hex&&this.setValueHex(t.hex))},Q.lang.extend(W.asn1.DERInteger,W.asn1.ASN1Object),W.asn1.DERBitString=function(t){if(void 0!==t&&void 0!==t.obj){var e=W.asn1.ASN1Util.newObject(t.obj);t.hex="00"+e.getEncodedHex()}W.asn1.DERBitString.superclass.constructor.call(this),this.hT="03",this.setHexValueIncludingUnusedBits=function(t){this.hTLV=null,this.isModified=!0,this.hV=t},this.setUnusedBitsAndHexValue=function(t,e){if(t<0||7<t)throw"unused bits shall be from 0 to 7: u = "+t;var i="0"+t;this.hTLV=null,this.isModified=!0,this.hV=i+e},this.setByBinaryString=function(t){var e=8-(t=t.replace(/0+$/,"")).length%8;8==e&&(e=0);for(var i=0;i<=e;i++)t+="0";var r="";for(i=0;i<t.length-1;i+=8){var n=t.substr(i,8),s=parseInt(n,2).toString(16);1==s.length&&(s="0"+s),r+=s}this.hTLV=null,this.isModified=!0,this.hV="0"+e+r},this.setByBooleanArray=function(t){for(var e="",i=0;i<t.length;i++)1==t[i]?e+="1":e+="0";this.setByBinaryString(e)},this.newFalseArray=function(t){for(var e=new Array(t),i=0;i<t;i++)e[i]=!1;return e},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t&&t.toLowerCase().match(/^[0-9a-f]+$/)?this.setHexValueIncludingUnusedBits(t):void 0!==t.hex?this.setHexValueIncludingUnusedBits(t.hex):void 0!==t.bin?this.setByBinaryString(t.bin):void 0!==t.array&&this.setByBooleanArray(t.array))},Q.lang.extend(W.asn1.DERBitString,W.asn1.ASN1Object),W.asn1.DEROctetString=function(t){if(void 0!==t&&void 0!==t.obj){var e=W.asn1.ASN1Util.newObject(t.obj);t.hex=e.getEncodedHex()}W.asn1.DEROctetString.superclass.constructor.call(this,t),this.hT="04"},Q.lang.extend(W.asn1.DEROctetString,W.asn1.DERAbstractString),W.asn1.DERNull=function(){W.asn1.DERNull.superclass.constructor.call(this),this.hT="05",this.hTLV="0500"},Q.lang.extend(W.asn1.DERNull,W.asn1.ASN1Object),W.asn1.DERObjectIdentifier=function(t){var e=function(t){var e=t.toString(16);return 1==e.length&&(e="0"+e),e},i=function(t){var i="",r=new R(t,10).toString(2),n=7-r.length%7;7==n&&(n=0);for(var s="",o=0;o<n;o++)s+="0";for(r=s+r,o=0;o<r.length-1;o+=7){var h=r.substr(o,7);o!=r.length-7&&(h="1"+h),i+=e(parseInt(h,2))}return i};W.asn1.DERObjectIdentifier.superclass.constructor.call(this),this.hT="06",this.setValueHex=function(t){this.hTLV=null,this.isModified=!0,this.s=null,this.hV=t},this.setValueOidString=function(t){if(!t.match(/^[0-9.]+$/))throw"malformed oid string: "+t;var r="",n=t.split("."),s=40*parseInt(n[0])+parseInt(n[1]);r+=e(s),n.splice(0,2);for(var o=0;o<n.length;o++)r+=i(n[o]);this.hTLV=null,this.isModified=!0,this.s=null,this.hV=r},this.setValueName=function(t){var e=W.asn1.x509.OID.name2oid(t);if(""===e)throw"DERObjectIdentifier oidName undefined: "+t;this.setValueOidString(e)},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t?t.match(/^[0-2].[0-9.]+$/)?this.setValueOidString(t):this.setValueName(t):void 0!==t.oid?this.setValueOidString(t.oid):void 0!==t.hex?this.setValueHex(t.hex):void 0!==t.name&&this.setValueName(t.name))},Q.lang.extend(W.asn1.DERObjectIdentifier,W.asn1.ASN1Object),W.asn1.DEREnumerated=function(t){W.asn1.DEREnumerated.superclass.constructor.call(this),this.hT="0a",this.setByBigInteger=function(t){this.hTLV=null,this.isModified=!0,this.hV=W.asn1.ASN1Util.bigIntToMinTwosComplementsHex(t)},this.setByInteger=function(t){var e=new R(String(t),10);this.setByBigInteger(e)},this.setValueHex=function(t){this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.int?this.setByInteger(t.int):"number"==typeof t?this.setByInteger(t):void 0!==t.hex&&this.setValueHex(t.hex))},Q.lang.extend(W.asn1.DEREnumerated,W.asn1.ASN1Object),W.asn1.DERUTF8String=function(t){W.asn1.DERUTF8String.superclass.constructor.call(this,t),this.hT="0c"},Q.lang.extend(W.asn1.DERUTF8String,W.asn1.DERAbstractString),W.asn1.DERNumericString=function(t){W.asn1.DERNumericString.superclass.constructor.call(this,t),this.hT="12"},Q.lang.extend(W.asn1.DERNumericString,W.asn1.DERAbstractString),W.asn1.DERPrintableString=function(t){W.asn1.DERPrintableString.superclass.constructor.call(this,t),this.hT="13"},Q.lang.extend(W.asn1.DERPrintableString,W.asn1.DERAbstractString),W.asn1.DERTeletexString=function(t){W.asn1.DERTeletexString.superclass.constructor.call(this,t),this.hT="14"},Q.lang.extend(W.asn1.DERTeletexString,W.asn1.DERAbstractString),W.asn1.DERIA5String=function(t){W.asn1.DERIA5String.superclass.constructor.call(this,t),this.hT="16"},Q.lang.extend(W.asn1.DERIA5String,W.asn1.DERAbstractString),W.asn1.DERUTCTime=function(t){W.asn1.DERUTCTime.superclass.constructor.call(this,t),this.hT="17",this.setByDate=function(t){this.hTLV=null,this.isModified=!0,this.date=t,this.s=this.formatDate(this.date,"utc"),this.hV=stohex(this.s)},this.getFreshValueHex=function(){return void 0===this.date&&void 0===this.s&&(this.date=new Date,this.s=this.formatDate(this.date,"utc"),this.hV=stohex(this.s)),this.hV},void 0!==t&&(void 0!==t.str?this.setString(t.str):"string"==typeof t&&t.match(/^[0-9]{12}Z$/)?this.setString(t):void 0!==t.hex?this.setStringHex(t.hex):void 0!==t.date&&this.setByDate(t.date))},Q.lang.extend(W.asn1.DERUTCTime,W.asn1.DERAbstractTime),W.asn1.DERGeneralizedTime=function(t){W.asn1.DERGeneralizedTime.superclass.constructor.call(this,t),this.hT="18",this.withMillis=!1,this.setByDate=function(t){this.hTLV=null,this.isModified=!0,this.date=t,this.s=this.formatDate(this.date,"gen",this.withMillis),this.hV=stohex(this.s)},this.getFreshValueHex=function(){return void 0===this.date&&void 0===this.s&&(this.date=new Date,this.s=this.formatDate(this.date,"gen",this.withMillis),this.hV=stohex(this.s)),this.hV},void 0!==t&&(void 0!==t.str?this.setString(t.str):"string"==typeof t&&t.match(/^[0-9]{14}Z$/)?this.setString(t):void 0!==t.hex?this.setStringHex(t.hex):void 0!==t.date&&this.setByDate(t.date),!0===t.millis&&(this.withMillis=!0))},Q.lang.extend(W.asn1.DERGeneralizedTime,W.asn1.DERAbstractTime),W.asn1.DERSequence=function(t){W.asn1.DERSequence.superclass.constructor.call(this,t),this.hT="30",this.getFreshValueHex=function(){for(var t="",e=0;e<this.asn1Array.length;e++)t+=this.asn1Array[e].getEncodedHex();return this.hV=t,this.hV}},Q.lang.extend(W.asn1.DERSequence,W.asn1.DERAbstractStructured),W.asn1.DERSet=function(t){W.asn1.DERSet.superclass.constructor.call(this,t),this.hT="31",this.sortFlag=!0,this.getFreshValueHex=function(){for(var t=new Array,e=0;e<this.asn1Array.length;e++){var i=this.asn1Array[e];t.push(i.getEncodedHex())}return 1==this.sortFlag&&t.sort(),this.hV=t.join(""),this.hV},void 0!==t&&void 0!==t.sortflag&&0==t.sortflag&&(this.sortFlag=!1)},Q.lang.extend(W.asn1.DERSet,W.asn1.DERAbstractStructured),W.asn1.DERTaggedObject=function(t){W.asn1.DERTaggedObject.superclass.constructor.call(this),this.hT="a0",this.hV="",this.isExplicit=!0,this.asn1Object=null,this.setASN1Object=function(t,e,i){this.hT=e,this.isExplicit=t,this.asn1Object=i,this.isExplicit?(this.hV=this.asn1Object.getEncodedHex(),this.hTLV=null,this.isModified=!0):(this.hV=null,this.hTLV=i.getEncodedHex(),this.hTLV=this.hTLV.replace(/^../,e),this.isModified=!1)},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.tag&&(this.hT=t.tag),void 0!==t.explicit&&(this.isExplicit=t.explicit),void 0!==t.obj&&(this.asn1Object=t.obj,this.setASN1Object(this.isExplicit,this.hT,this.asn1Object)))},Q.lang.extend(W.asn1.DERTaggedObject,W.asn1.ASN1Object);var tt,et,it=(tt=function(t,e){return tt=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])},tt(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function i(){this.constructor=t}tt(t,e),t.prototype=null===e?Object.create(e):(i.prototype=e.prototype,new i)}),rt=function(t){function e(i){var r=t.call(this)||this;return i&&("string"==typeof i?r.parseKey(i):(e.hasPrivateKeyProperty(i)||e.hasPublicKeyProperty(i))&&r.parsePropertiesFrom(i)),r}return it(e,t),e.prototype.parseKey=function(t){try{var e=0,i=0,r=/^\s*(?:[0-9A-Fa-f][0-9A-Fa-f]\s*)+$/.test(t)?function(t){var e;if(void 0===u){var i="0123456789ABCDEF",r=" \f\n\r\t \u2028\u2029";for(u={},e=0;e<16;++e)u[i.charAt(e)]=e;for(i=i.toLowerCase(),e=10;e<16;++e)u[i.charAt(e)]=e;for(e=0;e<r.length;++e)u[r.charAt(e)]=-1}var n=[],s=0,o=0;for(e=0;e<t.length;++e){var h=t.charAt(e);if("="==h)break;if(-1!=(h=u[h])){if(void 0===h)throw new Error("Illegal character at offset "+e);s|=h,++o>=2?(n[n.length]=s,s=0,o=0):s<<=4}}if(o)throw new Error("Hex encoding incomplete: 4 bits missing");return n}(t):g.unarmor(t),n=E.decode(r);if(3===n.sub.length&&(n=n.sub[2].sub[0]),9===n.sub.length){e=n.sub[1].getHexStringValue(),this.n=N(e,16),i=n.sub[2].getHexStringValue(),this.e=parseInt(i,16);var s=n.sub[3].getHexStringValue();this.d=N(s,16);var o=n.sub[4].getHexStringValue();this.p=N(o,16);var h=n.sub[5].getHexStringValue();this.q=N(h,16);var a=n.sub[6].getHexStringValue();this.dmp1=N(a,16);var c=n.sub[7].getHexStringValue();this.dmq1=N(c,16);var f=n.sub[8].getHexStringValue();this.coeff=N(f,16)}else{if(2!==n.sub.length)return!1;if(n.sub[0].sub){var l=n.sub[1].sub[0];e=l.sub[0].getHexStringValue(),this.n=N(e,16),i=l.sub[1].getHexStringValue(),this.e=parseInt(i,16)}else e=n.sub[0].getHexStringValue(),this.n=N(e,16),i=n.sub[1].getHexStringValue(),this.e=parseInt(i,16)}return!0}catch(t){return!1}},e.prototype.getPrivateBaseKey=function(){var t={array:[new W.asn1.DERInteger({int:0}),new W.asn1.DERInteger({bigint:this.n}),new W.asn1.DERInteger({int:this.e}),new W.asn1.DERInteger({bigint:this.d}),new W.asn1.DERInteger({bigint:this.p}),new W.asn1.DERInteger({bigint:this.q}),new W.asn1.DERInteger({bigint:this.dmp1}),new W.asn1.DERInteger({bigint:this.dmq1}),new W.asn1.DERInteger({bigint:this.coeff})]};return new W.asn1.DERSequence(t).getEncodedHex()},e.prototype.getPrivateBaseKeyB64=function(){return f(this.getPrivateBaseKey())},e.prototype.getPublicBaseKey=function(){var t=new W.asn1.DERSequence({array:[new W.asn1.DERObjectIdentifier({oid:"1.2.840.113549.1.1.1"}),new W.asn1.DERNull]}),e=new W.asn1.DERSequence({array:[new W.asn1.DERInteger({bigint:this.n}),new W.asn1.DERInteger({int:this.e})]}),i=new W.asn1.DERBitString({hex:"00"+e.getEncodedHex()});return new W.asn1.DERSequence({array:[t,i]}).getEncodedHex()},e.prototype.getPublicBaseKeyB64=function(){return f(this.getPublicBaseKey())},e.wordwrap=function(t,e){if(!t)return t;var i="(.{1,"+(e=e||64)+"})( +|$\n?)|(.{1,"+e+"})";return t.match(RegExp(i,"g")).join("\n")},e.prototype.getPrivateKey=function(){var t="-----BEGIN RSA PRIVATE KEY-----\n";return(t+=e.wordwrap(this.getPrivateBaseKeyB64())+"\n")+"-----END RSA PRIVATE KEY-----"},e.prototype.getPublicKey=function(){var t="-----BEGIN PUBLIC KEY-----\n";return(t+=e.wordwrap(this.getPublicBaseKeyB64())+"\n")+"-----END PUBLIC KEY-----"},e.hasPublicKeyProperty=function(t){return(t=t||{}).hasOwnProperty("n")&&t.hasOwnProperty("e")},e.hasPrivateKeyProperty=function(t){return(t=t||{}).hasOwnProperty("n")&&t.hasOwnProperty("e")&&t.hasOwnProperty("d")&&t.hasOwnProperty("p")&&t.hasOwnProperty("q")&&t.hasOwnProperty("dmp1")&&t.hasOwnProperty("dmq1")&&t.hasOwnProperty("coeff")},e.prototype.parsePropertiesFrom=function(t){this.n=t.n,this.e=t.e,t.hasOwnProperty("d")&&(this.d=t.d,this.p=t.p,this.q=t.q,this.dmp1=t.dmp1,this.dmq1=t.dmq1,this.coeff=t.coeff)},e}(J),nt=i(155),st=void 0!==nt?null===(et=nt.env)||void 0===et?void 0:"3.3.1":void 0;const ot=function(){function t(t){void 0===t&&(t={}),t=t||{},this.default_key_size=t.default_key_size?parseInt(t.default_key_size,10):1024,this.default_public_exponent=t.default_public_exponent||"010001",this.log=t.log||!1,this.key=null}return t.prototype.setKey=function(t){this.log&&this.key&&console.warn("A key was already set, overriding existing."),this.key=new rt(t)},t.prototype.setPrivateKey=function(t){this.setKey(t)},t.prototype.setPublicKey=function(t){this.setKey(t)},t.prototype.decrypt=function(t){try{return this.getKey().decrypt(l(t))}catch(t){return!1}},t.prototype.encrypt=function(t){try{return f(this.getKey().encrypt(t))}catch(t){return!1}},t.prototype.sign=function(t,e,i){try{return f(this.getKey().sign(t,e,i))}catch(t){return!1}},t.prototype.verify=function(t,e,i){try{return this.getKey().verify(t,l(e),i)}catch(t){return!1}},t.prototype.getKey=function(t){if(!this.key){if(this.key=new rt,t&&"[object Function]"==={}.toString.call(t))return void this.key.generateAsync(this.default_key_size,this.default_public_exponent,t);this.key.generate(this.default_key_size,this.default_public_exponent)}return this.key},t.prototype.getPrivateKey=function(){return this.getKey().getPrivateKey()},t.prototype.getPrivateKeyB64=function(){return this.getKey().getPrivateBaseKeyB64()},t.prototype.getPublicKey=function(){return this.getKey().      getPublicKey()},t.prototype.getPublicKeyB64=function(){return this.getKey().getPublicBaseKeyB64()},t.version=st,t}()})(),r.default})()));
  (2)封装
    import JSEncrypt from 'jsencrypt/bin/jsencrypt.min'
    //密钥对生成 http://web.chacuo.net/netrsakeypair
    const publicKey = 'MFwwDQYJKoZIhvcNAQEBBQADSKLqzcWmOzbfj64K8ZIgOdH\n' +
      'nzkXSOVOZbFu/TJhZ7rFAN+eaGkl3C4jvbuccQd/EjEsj9ir7ijT7h96MCAwEAAQ=='
    const privateKey = 'MIIBVAIBADANBgFAddddgggggAAkEAqhHyZfSsYourNxaY\n' +
      '7Nt+PrgrxkiA50efORdI5U5lsW79MmFnusUA355oaSXcLhu5xxB38SMSyP2KvuKN\n' +
      'PuH3owIDAQABAkAfoiLyL+Z4lf4Myxk6xUDgLaWGximj20CUf+5BKKnlrK+Ed8gA\n' +
      'kM0HqoTt2UZwA5E2MzS4EI2gjfQhz5X28uqxAiEA3wNFxfrCZlSZHb0gn2zDpWow\n' +
      'cSxQAgiCstxGUoOqlW8CIQDDOerGKH5OmCJ4Z21v+F25WaHYPxCFMvwxpcw99Ecv\n' +
      'DQIgIdhDTIqD2jfYjPTY8Jj3EDGPbH2HHuffvflECt3Ek60CIQCFRlCkHpi7hthh\n' +
      'YhovyloRYsM+IS9h/0BzlEAuO0ktMQIgSPT3aFAgJYwKpqRYKlLDVcflZFCKY7u3\n' +
      'UP8iWi1Qw0Y='
    //加密
    export function encrypt(txt) {
      const encryptor = new JSEncrypt()
      encryptor.setPublicKey(publicKey) //设置公钥
      return encryptor.encrypt(txt) //对数据进行加密
    }
    //解密
    export function decrypt(txt) {
      const encryptor = new JSEncrypt()
      encryptor.setPrivateKey(privateKey) //设置私钥
      return encryptor.decrypt(txt) //对数据进行解密
    }
  (3)使用
    import { encrypt, decrypt } from "@/utils/jsencrypt";
    function handleLogin() {
      proxy.$refs.loginRef.validate((valid) => {
        if (valid) {
          loading.value = true;
          //勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
          if (loginForm.value.rememberMe) {
            Cookies.set("username", loginForm.value.name, { expires: 30 });
            Cookies.set("password", encrypt(loginForm.value.pwd), {
              expires: 30,
            });
            Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
          } else {
            //否则移除
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          //调用action的登录方法
          userStore
            .login(loginForm.value)
            .then(() => {
               
              router.push({ path: redirect.value || "/" });
            })
            .catch((error) => {
              console.log(error)
              loading.value = false;
              //重新获取验证码
            });
        }
      });
    }
 
三、js编码与解码,
附、前后台数据交换,
  A、前端先把自己能收集到的数据格式“转化”为后台所需要的数据格式,然后发给后台
  B、前端接到后台返回的数据格式后,先“转化”成前端能读取的数据格式,然后插到页面
1、基本概念,位->字节->字符->字符集
  (1)bit,位,1个bit有2种状态,0或1,比特
  (2)byte,字节,1个字节由8个位构成
  (3)字符,文字或符号,1个字符消耗1--2个字节,1个英文字符消耗1个字节,1个汉字字符消耗2个字节
  (4)字符集,字符的集合,字符集的读取规则,内置于计算机,用户在html或img标签中指明使用哪种字符集,如ASCII、base64、Unicode、gb-2312
2、ASCII字符集,八位二进制,共256个字符,1967年第一次发表
  (1)状态,1个二进制位2个状态、8个二进制位256个状态(从0000000到11111111)
  (2)字符,1个状态对应1个字符,256个状态对应256个字符,以0开始的128个状态对应128个英文字符,以1开始的128个状态对应128个非英文字符
  (3)128个英文字符包含,33个控制字符或通信专用字符、64个base64字符、31个其它字符!"#$%&'()*,-.:;<=>?@[\]^_`{|}~空
  (4)应用,这256个字符能够描述所有格式的数据,如文字、符号、图像、音频、视频
  (5)ASCII定义,American Standard Code for Information Interchange,美国信息交换标准代码,是最通用的信息交换标准
3、base64字符集,六位二进制,共64个字符,1987年,第一次提及
  (1)状态,1个二进制位2个状态、6个二进制位64个状态(从00000到111111)
  (2)字符,1个状态对应1个字符,64个状态对应64个字符,
  (3)64个字符包含,52个大小写字母、10个数字、1个+、1个/,另有第65个填充字符=
  (4)应用,这64个字符能够描述所有格式的数据,如文字、符号、图像、音频、视频
4、Unicode字符集,1990年开始研发,1994年正式发布1.0版本,2022年9月13日发布15.0版本
  来源,https://c.runoob.com/front-end/3602/
  (1)该字符集的1个字符用1个编码对应,100多万个字符对应100多万个编码,可以容纳世界上所有的字符
  (2)该字符集的编码规则有,UTF-8、UTF-16、UTF-32等嗯
  (3)str.charCodeAt,获取字符的Unicode编码,是十进制数字
    来源,https://www.w3cschool.cn/typescript/typescript_string_charcodeat.html
    A、参数为字符串索引,如果参数不在0到字符串长度之间,返回NaN
    B、返回值字符的Unicode编码,是十进制数字,0到1114111(7位,百万级)之间,可以通过toString(n)转换为n进制
    C、例如console.log('中国'.charCodeAt(0));console.log('中国'.charCodeAt(0).toString(16))
  (4)String.fromCharCode,获取Unicode编码对应的字符,
    来源,https://www.runoob.com/jsref/jsref-fromcharcode.html
    A、参数,可以多个,每个都是Unicode编码,都是十进制数字,console.log(String.fromCharCode(104,101,108,108,111))
    B、返回值为字符,可以多个
    C、例如console.log(String.fromCharCode(20013));console.log(String.fromCharCode(parseInt('4e2d',16)));M
5、window编码与解码--ASCII和base64之间的转换
  注、URI,统一资源标识符
  (1)window.atob,base64字符转换为ASCII字符
  (2)window.btoa,ASCII字符转换为base64字符
  (3)window.escape,将字符串转换为Unicode编码的字符串
  (4)window.unescape,将escape编码的字符串恢复为原始字符串
  (5)window.encodeURIComponent,将URI组件的字符串转换为UTF-8编码的字符串,如空格会被转换为%20
    const data = { userId:123, username:"JohnDoe", email:"john@example.com" };
    const jsonData = JSON.stringify(data);
    const encodedData = encodeURIComponent(jsonData);
    const url = `https://example.com?data=${encodedData}`;
  (6)window.decodeURIComponent,将encodeURIComponent编码的UTF-8字符串解码回原始的字符串形式
    const encodedAndDecoded = () => {
      const data = { userId:123, username:"JohnDoe" };
      const jsonData = JSON.stringify(data);
      const encodedData = encodeURIComponent(jsonData);
      const decodedData = decodeURIComponent(encodedData);
      console.log( jsonData );
      console.log( encodedData );
      console.log( decodedData );
    }
  (7)btoa和atob编码和解码,以非中文示例
    var encodedData = window.btoa(123456);//'MTIzNDU2'
    var decodedData = window.atob(encodedData);//'123456'
  (8)btoa和atob编码和解码,以中文示例
    var encodedData = window.btoa(window.escape(window.encodeURIComponent('你好')));//JTI1RTQlMjVCRCUyNUEwJTI1RTUlMjVBNSUyNUJE
    var decodedData = window.decodeURIComponent(window.unescape(window.atob(encodedData)));//你好
    console.log( encodedData );
    console.log( decodedData );
6、常见的JS二进制“数据格式”之​ArrayBuffer和Uint8Array(建立在​ArrayBuffer上)数据的介绍
  来源,https://www.w3cschool.cn/qoyhx/qoyhx-8h5w3q7u.html
  来源,https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array
  (1)new ArrayBuffer(11),创建一个长度为11的buffer
    A、参数是一个数字
    B、ArrayBuffer,二进制数组,对固定长度的连续内存空间的引用 
  (2)new Uint8Array(length),是存储二进制数据的
    A、参数为1个数组,数组的每1项都是1个Unicode编码,1个汉字需要3个编码
    B、字符-字节(数字)
    C、Uint8Array.from,参数为(字符串,函数),返回值Uint8Array数组,
7、常见的JS二进制“数据格式”之Blob​和​File(继承了Blob)数据的介绍
  来源,https://www.w3cschool.cn/qoyhx/qoyhx-l63p3q7x.html
  (1)Blob,二进制大对象(binary large object),1970年代出现,是一种数据格式
  (2)​File,继承了Blob
  (3)Blob​和​File数据读取方法
    A、readAsArrayBuffer,读-取为二进制格式的​ArrayBuffer​
    B、readAsBinaryString,读-取为二进制字符串
    C、readAsDataURL,读-取为base64的url,常用于img​标签的​src属性,
    D、readAsText,读-取为给定编码(默认为utf-8​编码)的文本字符串,
  (4)Blob​和​File数据读取为文字
    var reader = new FileReader();
    reader.readAsText(thisBlob, 'utf8'); //把后台的blob字符串转化为最初的文字
    reader.onload = function() {
      console.log( '原文:' + this.result )We
    }
  (5)Blob​和​File数据本地读取为url-小文件
    change(file) {
      const reader = new FileReader() //实例化文件读-取对象
      reader.readAsDataURL(file.raw) //(将图片)作为数据URL读-取,即base64编码
      reader.onload = (event) => { //文件读-取成功完成时触发
        this.option.clientImg = event.target.result
        this.cutDialogVisible = true
      }
    }
  (6)Blob​和​File数据本地读取为url-大文件
    change(file) {
      const URL = window.URL||window.webkitURL;
      this.option.clientImg = URL.createObjectURL(file.raw);
      this.cutDialogVisible = true;
    
8、数据格式互转
  (1)原文与uint8Array互转,用到TextEncoder和TextDecoder
    function utf8ToUint8Array(text) {
      //以下,原文转uint8Array,将字符串编码为UTF-8字节序列,返回一个‌Uint8Array‌对象
      var uint8Array = new TextEncoder().encode(text);
      //以下,uint8Array转原文,将二进制数据(如Uint8Array)解码为字符串,返回一个字符串
      var text = new TextDecoder().decode(uint8Array);
      console.log(text);
    }
    var text1 = "Hello,你好!";
    utf8ToUint8Array(text1);
  (2)原文与base64互转
    function fromTextToText1(text) {
      //正转换,base64<--(Unicode编码对应的ASCII)字符​<--Uint8Array<--原文(text)
      var before = btoa(String.fromCharCode(...new TextEncoder().encode(text)));
      //反转换,原文<--​Uint8Array<--(Unicode编码对应的ASCII)字符<--base64(before)
      var after = new TextDecoder().decode(
        Uint8Array.from(atob(before), function(item){
          return item.charCodeAt(0)
        })
      )
      console.log(before, after);
    }
    var text1 = "Hello,你好!";
    fromTextToText1(text1);
  (3)原文与blob互转
    function stringToBlob(str) {
      //以下,原文转blob
      const encoder = new TextEncoder();
      const uint8Array = encoder.encode(str);
      const thisBlob = new Blob([uint8Array], { type: 'text/plain' });
      console.log(thisBlob);
      //以下,blob转原文
      var reader = new FileReader();
      reader.readAsText(thisBlob, 'utf8');
      reader.onload = function() {
        console.log('原文:' + this.result )
      }
    }
    const myString = "Hello, Blob!";
    stringToBlob(myString);
  (4)base64与blob互转
    function fromTextToText2(text) {
      //以下,生成base64
      var base64Str = btoa(String.fromCharCode(...new TextEncoder().encode(text)))
      //以下,base64生成blob
      var atobStr = atob(base64Str); //1、把base64字符串转化为ASCII字符串
      var length = atobStr.length;
      var uint8Array = new Uint8Array(length);//也可以写成new Array(length);
      while (length--) {
        uint8Array[length] = atobStr.charCodeAt(length); //2、把ASCII字符串转化为Unicode编码,存储在Uint8Array里
      }
      var thisBlob = new Blob([uint8Array], { type: 'text/plain' }); //3、把ASCII字符串转化为blob字符串
      //以下,blob生成base64
      var reader = new FileReader();
      reader.onload = function() {
        const base64String = reader.result.split(',');
        console.log(uint8Array)
        console.log(thisBlob)
        console.log(base64String)
      };
      reader.readAsDataURL(thisBlob);
    }
    var text2 = "Hello,你好2!";
    fromTextToText2(text2);
  (5)base64图片,转为,blob数据,发给后台
    //流程,前端base64--ASCII--Unicode编码--Blob后台
    function base64toBlob(data) {
      var array = data.split(',') //将整个图片分成两个部分,第1部分是图片说明,第2部分是图片自身
      var mime = array[0].match(/:(.*?);/)[1] //获取图片后缀
      var image = array[1]; //获取图片自身
      var atobStr = atob(image) //1、将“base64编码”的图片,转化为“ASCII编码”的图片 
      var length = atobStr.length
      var u8Array = new Uint8Array(length)
      while (length--) {
        u8Array[length] = atobStr.charCodeAt(length) //2、将ASCII编码的字符,转化为Unicode编码,并用Uint8Array存储
      }
      const obj = new Blob([u8Array], { type: mime }) //3、将Unicode编码,转化为“Blob编码”,type指定blob的类型
      //obj为一个新创建的Blob对象,其内容由参数中给定的数组拼接组成,上传到服务器
    }      
 
四、数据上传
  来源,https://blog.csdn.net/zyx042299/article/details/128008334
  附1、label标签的for属性,与表单元素的id值绑定,点击label标签内的文本,就会触发绑定的表单元素
    //来源,https://www.w3school.com.cn/tags/att_label_for.asp
    显式的联系
      <label for="SSN">身份证号码:</label>
      <input type="text" name="IdNum" id="IN" />
    隐式的联系
      <label>生日:<input type="text" name="DofB" /></label>
  附2、通过 <input type="file" onchange="changeFile(value)" v-model="value"/> 通过onchange事件或model属性获取要上传的(二进制)数据
1、数据上传-普通上传
  (1)自动上传
    <form
      name="myForm"//new formData(document.forms["myForm"]).set('value', 'value')
      action="demo_form.php"//提交表单时,服务器的接收地址
      enctype="multipart/form-data"
      //(1)application/x-www-form-urlencoded 在发送前编码所有字符(默认)
      //(2)multipart/form-data 不对字符编码。在使用包含文件上传控件的表单时,必须使用该值。
      //(3)text/plain 空格转换为 "+" 加号,但不对特殊字符编码。
    >
      <input name="myInput" type="text"/> //input标签的name属性需要与它的type属性同时使用,
      <input name="inputFile" type="file"/> //type的取值可以是text、password、radio、checkbox
      <select name="mySelect"></select> //设置了name属性的表单元素,才能在提交表单时,自动传递它们的值
      <input type="submit" value="默认提交"/> //点击就上传数据
    </form>
  (2)手动上传
    A、为空追加
      <form>
        <input v-model="value" type="file"/>
        <input type="button" value="自定义提交" @click="submitForm()">
      </form>
      function submitForm() {
        var formData = new formData();//先弄一个空的
        formData.set('value', 'value');//用新值覆盖已有的值
        formData.append('value', 'value1');//把新值添加到已有值集合的后面
        $.ajax({
          url: '',
          type: 'post',
          data: formData,
        });
      }
    B、非空追加
      <form
        name="myForm"
      >//document.forms["myForm"]
        <input name="inputValue" type="text"/>
        <select name="mySelect"></select>
        <input name="inputFile" type="file"/>
        <input name="protocolScript" type="file"/> //这是angular1的相关内容
        <input type="button" value="自定义提交" onclick="submitForm()">
        <input type="button" value="自定义提交" ng-click="submitForm()">
      </form>
      function submitForm() {
        var myForm = document.forms["myForm"];
        var formData= new formData(myForm);//格式化具有name属性的字段
        formData.set('value', 'value');//用新值覆盖已有的值
        formData.append('value', 'value1');//把新值添加到已有值集合的后面
        $.ajax({
          url: '',
          type: 'post',
          data: formData,
        });
      }
    C、angular1示例
      <input name="protocolScript" type="file" //这是angular1的相关内容
        onchange="angular.element(this).scope().onChangeFile(this)" //原生事件,实参this是input上传的内容
        on-change="ngChangeFile(value)" //非原生事件,value为空
      />
      $scope.ngChangeFile = function (ele) {
        $scope.files_list = ele.files;
        $scope.$apply();
      };
    D、elementUI上传(PC端)
      <el-upload>
        <el-button icon="plus" type="primary">上传文档</van-button>
      </el-upload>
      <el-upload
        drag 
        action=""
        accept=".jpg,.png"
        :auto-upload="false"
        :show-file-list="false"
        v-model:file-list="form.files"
        :limit="1"
        :auto-upload="false"
        :on-exceed="handleExceed"
        :on-change="handlChange"
      >
        <!-- UploadFilled是Icon图标中的“黑云白箭头”图标 -->
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">
          <p>点击或将文件拖拽到这里</p>
          <p>支持格式:json文件最大20MB</p>
        </div>
      </el-upload>
      on-change,文件状态改变时的钩子,添加文件、上传成功和上传失败时都会被调用,通过onchange事件或model属性获取要上传的(二进制)数据
      var handlChange = function(file, fileList) {
        this.fileList = fileList;
      }
    E、vantUI上传(移动端)
      <van-uploader accept=".doc, .docx" accept="*" :before-read="uploadVideo">
        <van-button icon="plus" type="primary">上传文档</van-button>
      </van-uploader>
      before-read,文件读取(编码)前的回调函数,作用类似于onchange
      var uploadVideo = function(file, detail) {
        console.log( fileInfo.raw );
        //首先根据文件的大小和后缀来判断,是否拦截上传并提出提示
      }
    F、上传图片拦截判断失效的解决
      <el-upload :on-change="uploadChange" :before-upload="beforeUpload" accept=".jpg,.jpeg,.png">
        <el-button icon="plus" type="primary">上传证照</el-button>
        <span style="color:gray;padding-left: 6px">请上传jpg、jpeg、png格式图片</span>
      </el-upload>
      function beforeUpload(file){
        //以下,拦截大文件
        if(file.size > 20 * 1024 * 1024){ //非常有必要。条件成立,给出提示
          ElMessage({
            message: '上传文件大小不超过20M',
            type: 'warning',
          })
          return false //连续点击,可能造成并发,导致此处“拦截失效”,执行uploadChange
        }
      }
      function uploadChange(file){
        //以下,继续拦截大文件
        if(file.size > 20 * 1024 * 1024) return //非常有必要。可以解决beforeUpload“拦截失效”的问题
        //以下,拦截文件类型,在beforeUpload里拦截会失败,只能在这里拦截
        const regex = /\.(jpg|jpeg|png)$/i;//仅匹配.jpg,.jpeg,.png及其大小写类型的图片
        if (regex.test(file.name)) {
          isShowRedText.value = false;
        }else{//正则匹配失败,拦截图片上传并给出提示
          return isShowRedText.value = true;
        }
        //以下,上传图片
        isUploading.value = true;
        uploadFileTool(file,'license').then(res => {
          uploadForm.imageUrl = res.data.fullUrl;
          uploadName.value = file.name;
          uploadFormRef.value.validateField('imageUrl');
          isUploading.value = false;
        })
      }
      function uploadFileTool(file, type){
        const formData = new FormData();
        formData.append('objectType',type)
        formData.append('file',file.raw)
        return uploadFile(formData)
      }
      function uploadFile(data){
        return request({
          url: baseUrl+'fileInfo/upload',
          method: 'post',
          data
        })
      }
2、数据上传-单图片先裁切后上传(读取文件为图片-裁切裁剪图片-获取裁后图片-上传)
    来源,http://www.zzvips.com/article/212420.html
    来源,https://blog.csdn.net/qq_45886894/article/details/129486002
  (1)读取文件为图片
    A、readAsDataURL本地读取,适用于小文件
      change(file) {
        const reader = new FileReader() //实例化文件读-取对象
        reader.readAsDataURL(file.raw) //(将图片)作为数据URL读-取,即base64编码
        reader.onload = (event) => { //文件读-取成功完成时触发
          this.option.clientImg = event.target.result
          this.cutDialogVisible = true
        }
      }
    B、createObjectURL本地读取,适用于大文件
      change(file) {
        const URL = window.URL||window.webkitURL;
        this.option.clientImg = URL.createObjectURL(file.raw);
        this.cutDialogVisible = true;
      }
  (2)裁切裁剪图片 
    A、依赖
      "dependencies": {
        "vue-cropperjs": "^4.2.0",
      },
    B、使用
      <template>
        <div>
          <el-upload
            action=""
            accept=".jpg,.png"
            class="poster-uploader"
            :auto-upload="false"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload"
            :on-change="uploadChange"
          >
            <img v-if="isShow" :src="serverImg" class="poster" />
            <i v-else class="el-icon-plus poster-uploader-icon"></i>
          </el-upload>
          <el-dialog title="裁切/裁剪" :append-to-body='true' :visible.sync="cutDialogVisible" width="800px">
            <div class="cropper-content">
              <div class="cropper" style="text-align: center">
                <vueCropper
                  ref="cropper"
                  :img="option.clientImg"
                />
              </div>
              <div v-if="previews.div" class="show-preview">
                <div
                  :style="{
                    width: previews.div.width,
                    height: previews.div.height,
                    transformOrigin: '0 0',
                    transform: 'scale(' + 150 / previews.w + ')',
                    overflow: 'hidden',
                  }"
                >
                  <img :src="previews.url" :style="previews.img">
                </div>
              </div>
            </div>
            <div slot="footer" class="poster-uploader-footer dialog-footer">
              <div class="upload-form-cropper">
                <el-button size="mini" @click="cutDialogVisible = false" >取 消</el-button>
                <el-button type="primary" size="mini" @click="cutImg">确认</el-button>
              </div>
            </div>
          </el-dialog>
        </div>
      </template>
  (3)获取裁后图片 
    cutImg() {
      this.$refs.cropper.getCropData((data) => {
        //getCropData,data,获取图片的base64数据
        //getCropBlob,data,获取图片的blob数据。???为什么不用这个函数,直接获取blob数据呢???
        var array = data.split(',')
        var mime = array[0].match(/:(.*?);/)[1]
        var image = array[1];
        var atobStr = atob(image);
        var length = atobStr.length
        var u8Array = new Uint8Array(length)
        while (length--) {
          u8Array[length] = atobStr.charCodeAt(length)
        }
        const obj = new Blob([u8Array], { type: mime })
      })
    }    
3、数据上传-多文件上传,批量,列表
  (1)多张图片或多个视频的上传逻辑,
    A、读出一张图片的信息并上传至服务器,在列表中展示图片信息和上传进度,最后获取存放地址
    B、重复A步骤
    C、最后提交时,把所有存放地址传给服务器
  (2)示例,online-class-manage
    //getDuration,在本地获取视频的封面图片,然后上传至服务器,最后更新到列表中
    //handelUploadFile,上传视频,获取上传进度,更新到列表中
    <template>
      <div class="content-container">
        <el-breadcrumb separator="/">
          <el-breadcrumb-item>课程管理</el-breadcrumb-item>
          <el-breadcrumb-item>内容管理</el-breadcrumb-item>
        </el-breadcrumb>
        <div class="content-table">
          <div class="content-table-header">
            <div class="content-table-header_title">上传视频</div>
          </div>
          <div class="form-wrap">
            <el-form
              :model="ruleForm"
              :rules="rules"
              ref="ruleForm"
              label-width="100px"
              class="demo-ruleForm"
            >
              <el-form-item label="上传文件" prop="mediaUrl">
                <div
                  :class="[
                    'uploadHeader',
                    mediaName === '' ? 'baseLine' : 'centerLine',
                  ]"
                >
                  <el-upload
                    class="upload-video"
                    action=""
                    multiple
                    accept="video/*"
                    :limit="10"
                    :disabled="isDisabled"
                    :file-list="fileList"
                    :on-change="mediaUpload"
                    :show-file-list="false"
                    :auto-upload="false"
                  >
                    <el-button
                      size="small"
                      type="primary"
                      :disabled="isDisabled"
                      plain
                    >
                      <i class="el-icon-upload2"></i>选择文件
                    </el-button>
                  </el-upload>
                </div>
              </el-form-item>
              <el-form-item label="" prop="">
                <el-table :data="tableData" style="width: 100%">
                  <el-table-column label="封面图" width="120" prop="coverImgUrl">
                    <template slot-scope="scope">
                      <img
                        v-if="scope.row.coverImgUrl"
                        :src="scope.row.coverImgUrl"
                        alt=""
                        width="100"
                        height="56"
                      />
                      <span v-else>上传后显示</span>
                    </template>
                  </el-table-column>
                  <el-table-column prop="oldTitle" label="文件名称" width="180">
                  </el-table-column>
                  <el-table-column  label="视频大小" width="90">
                    <template slot-scope="scope"> {{ scope.row.size }}MB </template>
                  </el-table-column>
                  <el-table-column label="视频名称" width="200">
                    <template slot-scope="scope">
                      <el-input
                        v-model="scope.row.title"
                        size="mini"
                        style="width: 100%"
                      ></el-input>
                    </template>
                  </el-table-column>
                  <el-table-column label="上传进度" width="80">
                    <template slot-scope="scope">
                      <el-progress v-if="scope.row.uploadPercent" type="circle" :width="56" :percentage="scope.row.uploadPercent"></el-progress>
                      <div class="uploadStatus">
                        <span v-if="scope.row.uploadStatus === 1">上传中</span>
                        <span v-if="scope.row.uploadStatus === 2">上传完成</span>
                        <span  v-if="scope.row.uploadStatus === 3" style="color: #d54949">上传失败</span>
                      </div>
                    </template>
                  </el-table-column>
                  <el-table-column label="操作" width="140">
                    <template slot-scope="scope">
                      <change-img :size="3" @getUrl="getImgUrl" :uid="scope.row.uid"></change-img>
                      <el-button type="text" size="small" @click="delItem(scope.row.uid)">删除</el-button>
                    </template>
                  </el-table-column>
                </el-table>
              </el-form-item>
              <el-form-item label="选择课程合集" prop="collectionId">
                <el-select
                  v-model="ruleForm.collectionId"
                  placeholder="请所属课程合"
                >
                  <el-option
                    :label="item.title"
                    :value="item.sid"
                    v-for="item in collectionList"
                    :key="item.sid"
                  ></el-option>
                </el-select>
              </el-form-item>
              <el-form-item>
                <el-button type="primary" @click="submitForm('ruleForm')"
                  >保存</el-button
                >
                <el-button @click="toContent">返回</el-button>
              </el-form-item>
            </el-form>
          </div>
        </div>
      </div>
    </template>
    <script>
      const COS = require("cos-js-sdk-v5");
      const TcVod = require("vod-js-sdk-v6"); //腾讯
      import { getCosImg } from "@/api/upload.js";
      import { getCollectionList,createCourse } from "@/api/course";
      import ChangeImg from "@/components/upload/changeImg"
      export default {
        components: {
          ChangeImg
        },
        data() {
          return {
            isDisabled:false,
            COS: {},
            collectionList: [],
            fileList: [],
            tableData: [
            ],
            ruleForm: {
              collectionId:''
            },
            rules: {
            },
            videoType: ["mp4", "mov", "avi"],
            uploadPercent: 0, //上传进度
            progressFlag: false,
            mediaName: "", //文件名
            changeCoveimg: false,
            changeIndex: 0,
            coverimgTime: [],
            isVideo: false,
            totalTime: "",
            ruleFromt: {},
            changeLoading: "",
            loading: "",
            type: 0, //类型:0=视频;1=音频
          };
        },
        created() {
          this.getCollectionList();
          this.initCOS()
        },
        mounted() {},
        methods: {
          initCOS() {
            getCosImg().then((res) => {
              /* eslint-disable */
              this.COS = new COS({
                getAuthorization: (options, callback) => {
                  var credentials = res.data && res.data.credentials;
                  if (!res || !credentials)
                    return console.error("credentials invalid");
                  callback({
                    TmpSecretId: credentials.tmpSecretId,
                    TmpSecretKey: credentials.tmpSecretKey,
                    XCosSecurityToken: credentials.sessionToken,
                    // 建议返回服务器时间作为签名的开始时间,避免用户浏览器本地时间偏差过大导致签名错误
                    StartTime: res.data.startTime, // 时间戳,单位秒,如:1580000000
                    ExpiredTime: res.data.expiredTime, // 时间戳,单位秒,如:1580000900
                    // ScopeLimit: true, // 细粒度控制权限需要设为 true,会限制密钥只在相同请求时重复使用
                  });
                },
              });
            });
          },
          getImgUrl(data){
            this.tableData = this.tableData.map((item)=>{
              if(item.uid === data.uid){
                item.coverImgUrl = data.url
              }
              return item
            })
          },
          mediaUpload(fileInfo) {
            if (fileInfo.status !== "ready") return;
            //如果标题为空,将上传的文件名作为标题
            let fileType = fileInfo.name
              .substring(fileInfo.name.lastIndexOf(".") + 1)
              .toLowerCase();
            if (!this.videoType.includes(fileType)) {
              this.$message({
                type: "warning",
                message: `不支持上传${fileType}格式文件!`,
              });
              this.fileList = [];
              return false;
            }
            let fileSize = 500;
            let sizeBlen = fileInfo.size / 1024 / 1024 < fileSize;
            if (!sizeBlen) {
              this.$message({
                type: "warning",
                message: `上传文件大小不能超过 ${fileSize}MB!`,
              });
              this.fileList = [];
              return false;
            }
            let itemObj = {}
            itemObj.uid = fileInfo.uid
            itemObj.type = 0
            itemObj.coverImgUrl = ''
            itemObj.collectionId = ''
            itemObj.url = ''
            itemObj.duration = ''
            itemObj.oldTitle = fileInfo.name
            itemObj.size = (fileInfo.size / 1024 / 1024).toFixed(2)
            itemObj.title = fileInfo.name.substring(0,fileInfo.name.lastIndexOf(".")-1)
            itemObj.uploadPercent = 0
            itemObj.uploadStatus = 0
            this.tableData.push(itemObj)//增加表格数据
            //发送请求
            this.getDuration(fileInfo)//生成缩略图并上传
            this.handelUploadFile(fileInfo)//上传文件并监控进度
          },
          getDuration(fileInfo){
            this.asyncImgChecked(fileInfo).then(res=>{//生成缩略图
              this.tableData = this.tableData.map((item)=>{
                if(item.uid === fileInfo.uid){
                  item.duration = String(res.duration)
                  this.handelUploadImg(fileInfo,this.dataURLtoBlob(res.imgSrc))//上传缩略图
                }
                return item
              })
            })
          },
          handelUploadFile(fileInfo){
            let fileType = fileInfo.name
            let fileUrl = `zxkt/video/${new Date().getTime()}-${fileInfo.uid}.${fileType}`;
            this.COS.sliceUploadFile(//切片
              {
                Bucket: "sharepool-1257784922" /* 必须 */,
                Region: "ap-beijing" /* 存储桶所在地域,必须字段 */,
                Key: fileUrl /* 必须 */,
                StorageClass: "STANDARD",
                Body: fileInfo.raw, // 上传文件对象
                onProgress: (progressData) => {
                  this.tableData = this.tableData.map((item)=>{
                    if(item.uid === fileInfo.uid){
                      item.uploadStatus = 1
                      item.uploadPercent = Math.round(progressData.percent * 100);
                    }
                    return item
                  })
                },
              },
              (err, data) => {
                if (!err) {
                  this.COS.getObjectUrl(
                    {
                      // 获取文件访问地址
                      Method: "PUT",
                      Key: fileUrl,
                      Bucket: "sharepool-1257784922",
                      Region: "ap-beijing",
                      Sign: false,
                    },
                    (err, data) => {
                      let res = err || data;
                      this.tableData = this.tableData.map((item)=>{
                        if(item.uid === fileInfo.uid){
                          item.uploadStatus = 2
                          item.url = "https://sharepool-1257784922.cos.ap-beijing.myqcloud.com/" + fileUrl;
                        }
                        return item
                      })
                      //this.fileUrl = res.Url.split("?")[0];
                    }
                  );
                } else {
                  this.tableData = this.tableData.map((item)=>{
                    if(item.uid === fileInfo.uid){
                      item.uploadStatus = 3
                    }
                    return item
                  })
                }
              }
            );
          },
          /*
          来源,https://cloud.tencent.com/developer/ask/260695
      //以下,用插件vod-js-sdk-v6上传视频时,发生了异常
            1、报错
              “Error: ugc upload | signature verify forbidden”,
            2、原因,
              你向后台索要签名,后台用小权限“腾讯账户”向腾-讯索要签名,
              腾-讯给后台小权限签名,后台给你小权限签名,你将小权限签名发给腾-讯,腾-讯给你报错
            3、解决办法,
              让后台换用大权限“腾-讯账户”
          */
          //上传插件说明,
          //向远方发送请求,远方将上传路由放到cookie里
          //本地隐式从cookie获取上传路由,用ajax-promise上传“数据”
          //以下用插件vod-js-sdk-v6上传(多次获取签名)
          handelUploadFile(fileInfo){
            const getSignature = function(){
              return request({
                url: 'https://media-t.app.gstv.cn/zxkt-platform-server/api/vod/getSign',
                method: 'get',
              }).then(function(response){
                return response.data
              })
            }
            const tcVod = new TcVod.default({
              getSignature: getSignature,
            })
            const uploader = tcVod.upload({
              mediaFile: fileInfo.raw,
            })
            uploader.on('media_progress', (info) => {//切片
              this.tableData = this.tableData.map((item)=>{
                if(item.uid === fileInfo.uid){
                  item.uploadStatus = 1
                  item.uploadPercent = Math.round(info.percent * 100);
                }
                return item
              })
            })
            uploader.done().then((doneResult) => {
              this.tableData = this.tableData.map((item)=>{
                if(item.uid === fileInfo.uid){
                  item.url =  doneResult.video.url
                  item.fileId =  doneResult.fileId
                }
                return item
              })
            }).catch(function (err) {
              console.log( err );
            })
          },
          //以下用插件vod-js-sdk-v6上传(1次获取签名)
          handelUploadFile(fileInfo){
            request({
              url: 'https://media-t.app.gstv.cn/zxkt-platform-server/api/vod/getSign',
              method: 'get',
            }).then((response) =>{
              const tcVod = new TcVod.default({
                getSignature: function(){
                  return response.data
                }
              })
              const uploader = tcVod.upload({
                mediaFile: fileInfo.raw,
              })
              uploader.on('media_progress', (info) => {//切片
                this.tableData = this.tableData.map((item)=>{
                  if(item.uid === fileInfo.uid){
                    item.uploadStatus = 1
                    item.uploadPercent = Math.round(info.percent * 100);
                  }
                  return item
                })
              })
              uploader.done().then((doneResult) => {
                this.tableData = this.tableData.map((item)=>{
                  if(item.uid === fileInfo.uid){
                    item.url =  doneResult.video.url
                    item.fileId =  doneResult.fileId
                  }
                  return item
                })
              }).catch(function (err) {
                console.log( err );
              })
            })
          },
      //以上,用插件vod-js-sdk-v6上传视频时,发生了异常
          handelUploadImg(fileInfo,blob){
            let fileType = fileInfo.name
            let fileUrl = `zxkt/img/${new Date().getTime()}-${fileInfo.uid}.${fileType}.png`;
            this.COS.sliceUploadFile(
              {
                Bucket: "sharepool-1257784922" /* 必须 */,
                Region: "ap-beijing" /* 存储桶所在地域,必须字段 */,
                Key: fileUrl /* 必须 */,
                StorageClass: "STANDARD",
                Body: blob, // 上传文件对象
              },
              (err, data) => {
                if (!err) {
                  this.COS.getObjectUrl(
                    {
                      // 获取文件访问地址
                      Method: "PUT",
                      Key: fileUrl,
                      Bucket: "sharepool-1257784922",
                      Region: "ap-beijing",
                      Sign: false,
                    },
                    (err, data) => {
                      let res = err || data;
                      this.tableData = this.tableData.map((item)=>{
                        if(item.uid === fileInfo.uid){
                          item.coverImgUrl = "https://sharepool-1257784922.cos.ap-beijing.myqcloud.com/" + fileUrl;
                        }
                        return item
                      })
                    }
                  );
                }
              }
            );
          },
          //base64Url转bolob
          dataURLtoBlob(dataurl){
            var arr = dataurl.split(',');
            var mime = arr[0].match(/:(.*?);/)[1];
            var bstr = atob(arr[1]);
            var n = bstr.length;
            var u8arr = new Uint8Array(n);
            while (n--) {
                u8arr[n] = bstr.charCodeAt(n);
            }
            return new Blob([u8arr], { type: mime });
          },
          // 以下是改进代码,与原代码等效
          // 获取视频标题+时长+缩略图+宽高
          asyncImgChecked(file) {
            return new Promise((resolve, reject) => {
              URL.createObjectURL(file.raw);
              //let reader = new FileReader();
              //reader.readAsDataURL(file.raw); // 必须用file.raw,本地读取小文件
              //reader.onload = (e)=> { // 让页面中的img标签的src指向读取的路径
              let video = document.createElement('video');
              let canvas = document.createElement('canvas');//<canvas>是图形容器,没有绘图能力,用户需用脚本绘图
              let ctx = canvas.getContext('2d');//ctx提供了在画布上绘图的方法和属性
              let imgSrc;
              video.src = URL.createObjectURL(file.raw);//=======1/3,将视频数据渲染到video标签,本地读取大文件
              video.currentTime = 3; //设置视频的当前播放位置(为第3秒),可用于实现“===视频抽帧===”的功能
              video.setAttribute('width', 100);
              video.setAttribute('height', 100);
              canvas.setAttribute("width",100);
              canvas.setAttribute("height",100);
              video.oncanplay = ()=>{//在视频/音频可以播放时触发
                ctx.drawImage(video, 0, 0, video.width, video.height);//=======2/3,将video的第3秒绘制到canvas里
                // drawImage(image, x, y, width, height)方法用于在canvas上下文中绘制图像
                // image:要绘制的图像源。这可以是一个
                //    HTMLImageElement(例如通过new Image()创建并加载后的图像对象)
                //    HTMLCanvasElement(另一个canvas元素)
                //    HTMLVideoElement(视频元素)
                // x和y:图像在画布上的起始坐标,坐标原点(0,0)位于canvas的左上角
                // width和height:用于指定绘制图像的宽度和高度,可选
                //    如果不提供,图像将以其原始大小进行绘制;如果提供,可以对图像进行缩放,假如,
                //    图像的宽高为(3840 2160),正好铺满标签样式(class、style)的宽高,<canvas style="width:400px;height:400px"></canvas>
                //    设置为(1920,1080),图像的宽高将缩小为原来的一半绘制在canvas标签里,标签里将会有3/4的空间是空白
                //    设置为(7680,4320),图像的宽高将放大为原来的二倍绘制在canvas标签里,图像将会有3/4的面积隐藏在标签外
                //    图像的宽高绘制在标签样式的宽高上,图像的宽高导致,标签属性的宽高失效,<canvas width=400 height=400></canvas>
                //    图像的宽高、标签属性的宽高、标签样式的宽高
                imgSrc = canvas.toDataURL('image/png');//=======3/3,将canvas转化为base64图片
                resolve({
                  duration:parseInt(video.duration),//得到整数的视频时长
                  imgSrc:imgSrc,//base64的缩略图图片路径
                  width:video.videoWidth,
                  height:video.videoHeight,
                  videoName:file.name
                })
                URL.revokeObjectURL(video.src);//释放一个之前已经存在的、通过调用URL.createObjectURL()创建的URL对象
              }
              //};
            })
          },
          // 以下是原代码
          /* // 获取视频标题+时长+缩略图+宽高
          asyncImgChecked(file) {
            return new Promise((resolve, reject) => {
              URL.createObjectURL(file.raw);
              //let reader = new FileReader();
              //reader.readAsDataURL(file.raw); // 必须用file.raw
              //reader.onload = (e)=> { // 让页面中的img标签的src指向读取的路径
              let video = document.createElement('video');
              video.src = URL.createObjectURL(file.raw);
              video.currentTime = 3; //截取缩略图时的视频时长,一定要设置,不然大概率白屏
              video.oncanplay = ()=>{
                const canvas = document.createElement('canvas');
                const ctx = canvas.getContext('2d');
                canvas.setAttribute("width",100);
                canvas.setAttribute("height",100);
                video.setAttribute('width', 100);
                video.setAttribute('height', 100);
                ctx.drawImage(video, 0, 0, video.width, video.height);
                const imgSrc = canvas.toDataURL('image/png');
                resolve({
                  duration:parseInt(video.duration),//得到整数的视频时长
                  imgSrc,//base64的缩略图图片路径
                  width:video.videoWidth,
                  height:video.videoHeight,
                  videoName:file.name
                })
                URL.revokeObjectURL(video.src);
              }
              //};
            })
          }, */
          delItem(uid){
            this.tableData = this.tableData.filter((item)=>{
              return item.uid !== uid
            })
          },
          openHadle(url) {
            window.open(url);
          },
          getCollectionList(url) {
            getCollectionList().then((res) => {
              if (res.code === 200) {
                this.collectionList = res.data;
              }
            });
          },
          toContent() {
            this.$router.push("/course/content");
          },
          handleExceed(files, fileList) {
            this.$message.warning(
              `当前限制选择 3 个文件,本次选择了 ${files.length} 个文件,共选择了 ${
                files.length + fileList.length
              } 个文件`
            );
          },
          submitForm(formName) {
            this.$refs[formName].validate((valid) => {
              if (valid) {
                this.handleSubmit()
              } else {
                console.log("error submit!!");
                return false;
              }
            });
          },
          handleSubmit(){
            if (this.tableData && this.tableData.length > 0) {
              let flag = true
              this.tableData.forEach((ele)=>{
                if (!ele.title) {
                  this.$message.error('请填写标题!')
                  flag = false
                  return
                }
                if (!ele.url) {
                  this.$message.error('请上传视频!')
                  flag = false
                  return
                }
                if (this.ruleForm.collectionId) {
                  ele.collectionId = this.ruleForm.collectionId
                }
              })
              if (!flag) {
                return
              }
              createCourse(this.tableData).then((res) => {
                if (res.data > 0 ) {
                  this.$message.success('视频上传成功!')
                  this.toContent()
                }
              });
            }else{
              this.$message.error('请先上传视频!')
            }
          }
        },
      };
    </script>
    <style scoped lang="scss">
    </style>
4、数据上传-大文件分片上传,带上传进度,切片
  (1)webuploader.js,PC端,分片上传,带上传进度
    //在上传本地完成后,此插件自动获取、切片数据并根据配置上传至服务器并监听上传过程
    <script src="./common/webuploader.js"></script>
    <style>
      #updataButton input[type="file"] {
        display: none;
      }
    </style> 
    $scope.up_file = function () {
      var files;
      var task_id = WebUploader.Base.guid();
      var uploader = WebUploader.create({
        server: './system/devinfo/upload',
        pick: '#updataButton',//webuploader.js插件给此元素内添加了<input type="file"/>,点击此元素手动出现上传弹窗,点击内部的input直接出现上传弹窗
        auto: false,//需要手动上传
        chunked: true,//需要分片
        chunkSize: 20 * 1024 * 1024,//每片大小
        chunkRetry: 3,//如果某个分片由于网络问题出错,允许自动重传3次
        threads: 1,//允许同时最大上传进程数为1
        duplicate: true,//需要去重
        formData: {//文件上传请求的参数表,每次发送都会发送此对象中的参数
          task_id: task_id,
        },
        headers: {
          business_resource: 156
        },
        fileVal:'rule'//设置文件上传域的name
      });
      uploader.on('fileQueued', function (file) {
        $scope.file_.file = file;
        //交互一:列队完成,告知后台,准备接收数据
        auditApi
          .query({
            method: 'get',
            root: 'set',
            url: '/maintain/verify_file',
            data: {
              filename: file.name
            }
          })
          .then(function () {
            $scope.file_.uploader.upload();//交互二:开始上传到server配置指向的服务器
          })
          .catch(function () {
            $scope.file_.uploader.removeFile($scope.file_.file);
          });
      }).on('fileDequeued', function () {
        //console.log('remove queue success.');
      }).on('startUpload', function () {
        $scope.updata();//无前后台交互,出现弹窗,告知正在上传
      }).on('uploadProgress', function (file, percentage) {
        //上传中,出现进度条,无前后台交互,插件自己计算进度的百分比
      }).on('uploadSuccess', function (file) {
        //交互三、告知后台,数据发送完毕
        auditApi
          .query({
            method: 'get',
            root: 'set',
            url: '/maintain/complete',
            params: {
              task_id: task_id,
              filename: file.source['name']
            },
            timeout: 1000 * 60 * 3
          })
          .then(function () {
            $scope.updating(); //交互四、定时询问后台,是否更新完毕
          })
      }).on('uploadError', function () {
        //上传出错
      });
    }
    $scope.up_file();
    //说明,
    //A、页面初始化时执行$scope.up_file();
    //B、根据pick配置,找到“升级”按钮,并初始化
    //C、点击“升级”后,插件调出window系统自身的弹窗,用户选中文件,点击确定,开始上传至初始化时的服务器,依次执行监听函数
  (2)ali-oss,移动端,分片上传,内含上传进度的功能,videoUploadPercent,
    A、依赖,来源,https://help.aliyun.com/document_detail/383952.html
      ali-oss,阿里OSS存储,开放存储服务(open storage service,OSS),另见“腾讯”
      "dependencies": {
        "ali-oss": "^6.16.0"
      },
    B、html 
      <van-form @submit="beforeSubmit" ref="form" >
        <template v-for="(item,idx) in formList" >
          <div class="sign-form" :key="idx" v-if="item.inputType == 5">
            <div class="van-form_card">
              <div class="field__label">{{item.topicName}}</div>
              <div class="field__desc">支持扩展名:avi、MP4、rmvb</div>
            </div>
            <van-field name="name" type="hidden" :rules="[{ validator: valiFormData, message: '请输入正确内容',index:idx }]"  v-model="formData[idx]"   >
            <template #input >
              <div class="flex-col">
                <div class="video-upload" v-if="showUpload">
                  <span>视频上传中...</span>
                  <van-progress :show-pivot="false"   :percentage="videoUploadPercent" />
                </div>
                <span class="link" v-if="formData[idx]" @click="href(idx)">{{videoName[idx]}}</span>
                <van-uploader accept="*" v-if="!showUpload"  :name="idx"  :before-read="uploadVideo">
                  <van-button icon="plus" type="primary">上传视频</van-button>
                </van-uploader>
              </div>
            </template> 
            </van-field>
          </div>
        </template>
        <div class="vt-foot ">
          <van-button native-type="submit"  :disabled="!promise" :loading="loading" loading-text="保存中..."    block color="#fdb235">提交</van-button>
        </div>
      </van-form>
    C、js
      import OSS from "ali-oss";
      uploadVideo(file,detail){//file,二进制数据
        let type = file.name.substring(file.name.lastIndexOf(".") + 1).toLowerCase()
        if(this.videoType.indexOf(type) < 0 || file.type.indexOf("video") < 0){
          this.$dialog.alert({
            title: '提示',
            message: '仅支持 .avi, .mp4, .rmvb, .mov 格式的视频',
            theme: 'round-button',
          });
          return;
        }
        let max = 1024*1024*1024;
        if(file.size > max){
          this.$dialog.alert({
            title: '提示',
            message: '上传视频大小不能超过 1G!',
            theme: 'round-button',
          }).then(() => {});
          return;
        }
        getALiYunOSSToken({ //交互一:告知后台,准备接收数据
          tokenName: "ios",
        }).then(data=>{ //后台同意后,给出同意参数
          let oss = new OSS({ //前端根据同意参数new出传输实例
            region: "oss-cn-beijing",
            accessKeyId: data.data.data.accessKeyId,
            accessKeySecret: data.data.data.accessKeySecret,
            bucket: data.data.data.bucketName,
            stsToken: data.data.data.securityToken,
          });
          const suffix = file.name.substr(file.name.indexOf("."));
          let fileUrl = `test/${new Date().getTime()}${suffix}`;
          oss.multipartUpload( //交互二:开始上传到fileUrl指向的服务器。不用告知后台,数据发送完毕;不用向后台询问,是否更新完毕
              fileUrl, //文件在服务器的存储位置
              file, //文件自身
              {
                progress: (p) => { //配置上传进度
                  this.videoUploadPercent = Math.round(p * 100);
                  this.showUpload = true;
                },
                partSize: 1024*100, //切片大小
              }
            )
            .then((res) => {
              this.showUpload = false;
              this.videoName[detail.name] = res.name;
              let url = res.res.requestUrls[0];
              this.formData[detail.name] = url.substring(0,url.indexOf("?"));
              let temp = this.formData[detail.name];
              this.formData.splice(detail.name,1,temp);
            })
            .catch((err) => {
              this.showUpload = false;
              console.log(err);
              this.$dialog.alert({
              title: '提示',
              message: '上传失败',
              theme: 'round-button',
            })
          });
        })
      },
      const getALiYunOSSToken=(params)=>{
        return axios.request({
          url:"https://mpapi.app.cctv.com/comm/file/getALiYunOSSToken",
          params,
          method: 'get'
        })
      }
      beforeSubmit(){
        if(this.loading){
          return;
        }
        this.loading = true;
        this.onSubmit();
      },
      onSubmit(){    
        this.$ajaxPost(url,data).then(res=>{})
      },
  (3)腾讯cos-js-sdk-v5,PC端,分片上传,带上传进度
    A、cctv-chose定义
      <template>
        <el-upload
          action=""
          :auto-upload="false"
          :accept="accept"
          :show-file-list="false"
          :on-change="upload"
          :http-request="up"
          ref="upload"
        >
          <div class="cctv-chose">
            <span class="cctv-chose-add">+</span>
            <div class="cctv-chose-footer" v-if="false">
              <svg-icon icon-class="upload"  class-name="cctv-chose-upload" />
              <i></i>
              <svg-icon icon-class="su" @click="selectSource" class-name="cctv-chose-su" />
            </div>
          </div>
        </el-upload>
      </template>
      methods: {
        upload(fileInfo) {
          this.COS.putObject(//切片
            {
              Bucket: "gongweiedu-1257784922", // 必须
              Region: "ap-beijing", // 必须,存储桶所在地域
              Key: fileInfo.fileUrl, // 必须
              StorageClass: "STANDARD",
              Body: fileInfo.raw, // 上传文件对象
              onProgress: (progressData) => { // 此处配置上传进度
                let percent = Math.round(progressData.percent * 100)
                this.$emit('pro',progressData)
                this.$emit('progress',percent)//告诉父级上传进度
              }
            },
            (err, data) => {
              if (!err) {
                cosObject.getObjectUrl(
                  {
                  // 获取文件访问地址
                    Method: "PUT",
                    Key: fileInfo.fileUrl,
                    Bucket: "gongweiedu-1257784922",
                    Region: "ap-beijing",
                    Sign: false
                  },
                  (err, data) => {
                    if(err){
                      console.log( err );
                    }else {
                      console.log( data.Url );
                      this.$emit('backUrl', data.Url)
                    }
                    // data.Url = data.Url
                  }
                )
              } else {
                console.log( err );
              }
            }
          )
        },
      },
    B、cctv-chose调用,上传多张图片,带列表展示
      <el-form-item
        label="上传图片"
        prop="image"
        class="dynamic-form-image"
      >
        <div class="dynamic-warp">
          <div class="dynamic-img"  v-for="(item,index) in dynamicForm.images" :key="index">
            <img :src="item|parseUrl">
            <i class="el-icon-error" @click="remove(index)" />
          </div>
          <CctvChose :limit="5"
            v-if="dynamicForm.images && dynamicForm.images.length<15"
            @backUrl="catchUrl" 
            class="dynamic-chose"
            @selectSource="showDynamic"
          />
        </div>
        <div class="dynamic-tip">图片格式bmp、png、webp、jpeg,图片大小5MB以内</div>
      </el-form-item>
    C、cctv-chose调用,上传单个视频,带进度条
      <div class="produce-form-header">
        <div v-show="!fileInfo">
          <CctvChose
            class="produce-chose"
            @selectFile="selectFile"
            @selectSource="selectSource"
            :limit="800"
            @backUrl="setUrl"
            @progress="changePercent"
            @pro="getProgressData"
            :type="1"
          ></CctvChose>
          <div class="produce-tip">请添加文件上传 支持MP4、MOV格式</div>
        </div>
        <div class="produce-form-info" v-if="fileInfo">
          <div class="produce-form-info-title">
            {{ fileInfo.name }}
          </div>
          <div class="produce-form-delete" v-if="percent==100">
            <el-button type="text" @click="reUpload">删除</el-button>
          </div>
        </div>
        <div v-if="fileInfo">
          <el-progress //使用上传进度
            class="produce-form-progress-bar"
            :percentage="percent"
            :show-text="false"
            :stroke-width="26"
          />
        </div>
      </div>
      methods: {
        changePercent(per) {
          this.percent = per;//父级接收上传进度
          if(this.percent==100){
            this.loading = false;
            this.$refs.audioForm.form.videoTitle = this.fileInfo.name.split('.')[0].slice(0,40);
          }else {
            this.loading = true
          }
        },
      },//数据上传-结束
 
五、数据下载
1、数据下载-a元素下载
  (1)直接下载
    <a href="https://cdn.shopify.com/s/Manaul.pdf" download="test.pdf">下载</a>
  (2)后台返回数据url
    function down(url) {
      var a = document.createElement('a');
      //document.body.appendChild(a);
      a.href = url;
      a.download = '111.pdf';
      a.click();
      //a.remove();
    };
  (3)后台返回数据自身
    function down(data) {
      var a = document.createElement('a');
      //document.body.appendChild(a);
      a.href = URL.createObjectURL(data);
      a.download = '111.txt';
      a.click();
      //a.remove();
    };
  (4)后台返回数据非Blob
    function down(data) {
      var blob = new Blob(data) //data.blob()
      var a = document.createElement('a')
      a.href = window.URL.createObjectURL(blob)
      a.download = 'file.docx'//a.download = 'file.json'
      a.click()
    };
  (5)后台返回数据Blob
    var download = (res) => {
      let filename = decodeURIComponent(res.headers[key])
      var url = window.URL.createObjectURL(res.data);
      var a = document.createElement('a');
      a.href = url;
      a.download = filename;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      window.URL.revokeObjectURL(url);
    }
  (5)将后台返回的图片下载(含图片数据展示)
    A、html
      <div class="content" v-for="(item, index) in dataInfo.info">
        <div class="bottom">
          <div class="label">证照:</div>
          <div class="describe">
            <el-image
              style="height: 100px"
              :src="http+item.imageUrl"
              fit="cover"
            />
            <div>
              <el-button type="primary" link @click="item.isShow = true">预览证照</el-button>
              <el-button type="primary" link @click="downImg(item)">下载证照</el-button>
            </div> 
          </div>
        </div>
        <el-dialog  v-model="item.isShow" :show-close="false">
          <template #title>
            <div class="position-fixed">
              <div class="padding">广播电视频道许可证-{{ item.channelName }}</div>
              <div>
                <el-button type="primary" @click="downImg(item)">下载</el-button>
                <el-button @click="item.isShow = false">关闭</el-button>
              </div>
            </div>
          </template>
          <el-image
            style="height: 100%"
            :src="http+item.imageUrl"
            fit="cover"
          />
        </el-dialog>
      </div>
    B、js
      const http = import.meta.env.VITE_APP_BASE_API ; //previewImg
      function downImg(item) { //下载后,不预览图片
        var url_ = http+item.imageUrl;
        const image = new Image();
        image.onload = function () {
          const canvas = document.createElement('canvas');
          canvas.width = image.width;
          canvas.height = image.height;
          const context = canvas.getContext('2d');
          context.drawImage(image, 0, 0, image.width, image.height);
          const url = canvas.toDataURL('image/png');
          const a = document.createElement('a');
          const event = new MouseEvent('click');
          a.download = '广播电视频道许可证-' + item.channelName ;
          a.href = url;
          a.dispatchEvent(event);
          ElMessage.success("下载成功!");
        };
        image.src = url_;
      };
      function downImg(item) { //下载后,自动预览图片
        var a = document.createElement('a');
        document.body.appendChild(a);
        //不管a.href的后缀是什么,图片格式皆以此处为准
        //加上这行代码,就是先下载后预览,去掉这行代码,就是直接预览
        a.download = '广播电视频道许可证-' + item.channelName+ '.jpg' ;
        a.href = http+item.imageUrl;
        a.click();
        a.remove()
      };
2、数据下载-file-saver下载,它是在浏览器中直接保存文件的包
  import { saveAs } from 'file-saver'
  function down(data) {
    saveAs(data, 'file.docx')
  };
3、数据下载-Excel下载,将后台返回的JSON数据用excel导出
  <html>
    <head>
      <script type="text/javascript" src="https://cdn.bootcss.com/xlsx/0.12.7/xlsx.core.min.js"></script>
      <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/alasql/0.0.50/alasql.min.js"></script>
    </head>
    <body>
      <button onclick="down()">下载</button>
    </body>
  </html>
  <script>
    function down(){
      var tableTh=["times [时间]", "user [用户]", "ip [IP地址]", "result [登录结果]"];
      var title="文件名"
      var dataArray=[
        {
          times: "2003-03-04",//0
          user: "张三",//1
          ip: "216.94.168.85",//2
          result: 0,//3
          ServiceType: "yhzuu",
          id: 1,
          operation: "刷新页面",
        },{
          times: "2003-03-05",//0
          user: "李四",//1
          ip: "216.94.168.85",//2
          result: 1,//3
          ServiceType: "yhzuu",
          id: 2,
          operation: "刷新页面",
        }
      ];
      dataArray.forEach(function(item,index){
        if(item.result===0){
          item.result="失败"
        }else if(item.result===1){
          item.result="成功"
        }
      });
      alasql('SELECT '+ tableTh+ ' INTO XLSX("'+ title+ '.xlsx",{headers:true}) FROM ?', [dataArray]);
      //上面这行,字符串'SELECT '的后面和' INTO XLSX("'的前面,都必须有空格,没有空格会导致excel表格下载失败
    }
  </script>//数据下载-结束
 
六、数据展示
  附1、3个媒体元素
    (1)标签
      A、audio
        <audio controls>
          <source src="horse.ogg" type="audio/ogg">
          <source src="horse.mp3" type="audio/mpeg">
          您的浏览器不支持 audio 元素。
        </audio>
      B、picture
        <picture>
          <source media="(min-width:650px)" srcset="img_pink_flowers.jpg">
          <source media="(min-width:465px)" srcset="img_white_flower.jpg">
          <img src="img_orange_flowers.jpg" alt="Flowers" style="width:auto;">
        </picture>
      C、video
        <video width="320" height="240" controls>
          <source src="movie.mp4" type="video/mp4">
          <source src="movie.ogg" type="video/ogg">
          您的浏览器不支持 video 标签。
        </video>
    (2)audio和video的标签的共有属性
      A、autoplay,autoplay,在就绪后马上播放
      B、controls,controls,向用户显示控件(比如播放/暂停按钮)
      C、loop,loop,每当播放结束时重新开始播放
      D、muted,muted,输出为静音
      E、preload,auto/metadata/none,是否默认被加载以及如何被加载
      F、src,URL,规定文件的URL
    (3)video的标签专有属性
      A、width,pixels,设置视频播放器的宽度
      B、height,pixels,设置视频播放器的高度
      C、poster,URL,规定视频正在下载时显示的图像,直到用户点击播放按钮
    (4)source标签,为媒体元素指定多个媒体资源
      来源,https://www.w3school.com.cn/tags/tag_source.asp
      来源,https://www.w3school.com.cn/tags/att_source_srcset.asp
      A、src,用于指定媒体文件的URL
      B、srcset,用于指定在不同情况下使用的图像的URL,<source srcset="https://static.noob-logo.png"></source>
      C、media,媒体查询,<source media="(min-width:650px)"></source>
      D、type,规定资源的MIME类型,<source type="video/mp4"></source>
        MIME(Multipurpose Internet Mail Extensions)多用途互联网邮件扩展类型
        指定浏览器用哪个应用程序打开文件
  附2、videojs插件
      来源,https://videojs.com
      来源,https://cloud.tencent.com/developer/article/1615717
    (1)简介
      Video.js是一款web视频播放器,支持html5和flash两种播放方式
    (2)依赖
      A、<link href="//vjs.zencdn.net/7.3.0/video-js.min.css" rel="stylesheet"></link>
      B、<script src="//vjs.zencdn.net/7.3.0/video.min.js"></script>
    (3)配置
      var player = videojs(document.getElementById('myVideo'), {
        controls: true, // 是否显示控制条
        poster: 'xxx', // 视频封面图地址
        preload: 'auto',
        autoplay: false,
        fluid: true, // 自适应宽高
        language: 'zh-CN', // 设置语言
        muted: false, // 是否静音
        inactivityTimeout: false,
        controlBar: { // 设置控制条组件
          playToggle:true, //播放暂停按钮
          volumeMenuButton:true, //音量控制
          currentTimeDisplay:true, //当前播放时间
          timeDivider:true, // '/' 分隔符
          durationDisplay:true, //总时间
          progressControl:true, //点播流时,播放进度条,seek控制
          liveDisplay:true, //直播流时,显示LIVE
          remainingTimeDisplay:true, //当前播放时间
          playbackRateMenuButton:true, //播放速率,当前只有html5模式下才支持设置播放速率
          fullscreenToggle:true, //全屏控制
          /* 使用children的形式可以控制每一个控件的位置,以及显示与否 */
          children: [
            {name: 'playToggle'}, // 播放按钮
            {name: 'currentTimeDisplay'}, // 当前已播放时间
            {name: 'progressControl'}, // 播放进度条
            {name: 'durationDisplay'}, // 总时间
            { // 倍数播放
              name: 'playbackRateMenuButton',
              'playbackRates': [0.5, 1, 1.5, 2, 2.5]
            },
            {
              name: 'volumePanel', // 音量控制
              inline: false, // 不使用水平方式
            },
            {name: 'FullscreenToggle'} // 全屏
          ]
        },
        sources: [ // 视频源
          {
            src: '//vjs.zencdn.net/v/oceans.mp4',
            type: 'video/mp4',
            poster: '//vjs.zencdn.net/v/oceans.png'
          }
        ]
      }, function (){
        console.log('视频可以播放了',this);
      });
      someButton.onclick=function(){
        var data = {
          src: 'xxx.mp4',
          type: 'video/mp4'
        };
        player.pause();
        player.src(data);
        player.load(data);//重新加载src指定的资源
        player.posterImage.setSrc('xxx.jpg');
        player.play();
        player.dispose();
      }
1、数据展示-视频展示-共2种(附、videojs插件使用实例)
  (1)弹窗内播放视频
    import { MessageBox } from 'element-ui';
    export default function player(option){
      console.log(MessageBox)
      MessageBox.alert('<video id="video" width="600" controls  height="337" autoplay muted src="'+option.url+'" ></video>', option.title,{
        dangerouslyUseHTMLString: true,
        showConfirmButton:false,
        customClass:'video-warp',
        beforeClose:()=>{
          let video =  document.getElementById('video')
          video.pause()
          video.load();
          MessageBox.close()
          }
      })
    }
  (2)页面内视频播放 
    A、依赖
      "dependencies": {
        "video.js": "^7.20.3",
      },
    B、组件调用
      <player ref="playerRef" :path="data.pageInfo.url" :poster="data.pageInfo.coverImgUrl" @ended="endedHadler" @play="playHadler" @timeupdate="timeupdateHadler"></player>
      <script setup>
        import player from "@/components/player/index.vue";
        import { createWebSocket, closeWebSocket, sendSock, getSock } from '@/utils/socket';
        let getPageInfo = (courseId, isInit = true) => { //isInit是否是初始化页面,初始化需要查询课程合集
          getCourse({ courseId, userId }).then(res => {
            data.pageInfo = res.data;
            collectionId = res.data.collectionId;
            nextTick(() => {
              thumbsUpAni.value = new ThumbsUpAni([zanIcon]);
            })
            if (isInit) {
              getCourseCollection({ collectionId, userId }).then(response => {
                data.listInfo = response.data;
              })
            }
            var url = '/zxkt_course_api_link?userId=' + userId + '&collectionId=' + collectionId + '&courseId=' + courseId;
            createWebSocket(url);
          })
        }
        getPageInfo(data.courseId);
        onBeforeUnmount(() => {
          if (getSock()) {
            closeWebSocket();
          }
        })
        const endedHadler = (currentTime) => {
          let params = {
            "code": "20001", //固定值
            "data": {
              "collectionId": collectionId,//课程集id
              "courseId": data.courseId,//课程id
              "viewDuration": currentTime //当前视频的播放进度(秒)
            }
          }
          sendSock(params, (res) => {}, data.courseId)
        }
        const timeupdateHadler = (currentTime) => {
          if (strategy(currentTime)) {
            let params = {
              "code": "20001", //固定值
              "data": {
                "collectionId": collectionId,//课程集id
                "courseId": data.courseId,//课程id
                "viewDuration": currentTime //当前视频的播放进度(秒)
              }
            }
            sendSock(params, (res) => {}, data.courseId)
          }
        }
      </script>
    附、'@/utils/socket'(完整)
      var websock = null;
      let rec; //断线重连后,延迟5秒重新创建WebSocket连接  rec用来存储延迟请求的代码
      let isConnect = false; //连接标识 避免重复连接
      var globalCallback = new Map();
      let createWebSocket = (paramsUrl) => {
        try {
          initWebSocket(paramsUrl); //初始化websocket连接
        } catch (e) {
          //console.log("尝试创建连接失败");
          reConnect(); //如果无法连接上webSocket 那么重新连接!可能会因为服务器重新部署,或者短暂断网等导致无法创建连接
        }
      };
      //定义重连函数
      let reConnect = () => {
        //console.log("尝试重新连接");
        if (isConnect) return; //如果已经连上就不在重连了
        rec && clearTimeout(rec);
        rec = setTimeout(function () { // 延迟5秒重连  避免过多次过频繁请求重连
          createWebSocket();
        }, 5000);
      };
      //设置关闭连接
      let closeWebSocket = () => {
        websock.close();
      };
      // 初始化websocket
      function initWebSocket(paramsUrl) {
        // ws地址
        const wsUri = import.meta.env.VITE_APP_SOKET_API+paramsUrl;
        websock = new WebSocket(wsUri)
        websock.onmessage = function (e) {
          websocketonmessage(e)
        }
        websock.onopen = function () {
          isConnect = true;
          //console.log('连接成功');
        }
        // 连接发生错误的回调方法
        websock.onerror = function () {
          //console.log('WebSocket连接发生错误')
          isConnect = false; //连接断开修改标识
          reConnect(); //连接错误 需要重连
        }
      }
      // 实际调用的方法
      function sendSock(agentData, callback, key) {
        if (!websock){
          initWebSocket()
        }
        globalCallback.set(key,callback)
        if (websock.readyState === websock.OPEN) {
          // 若是ws开启状态
          websocketsend(agentData,callback,key)
        } else if (websock.readyState === websock.CONNECTING) {
          // 若是 正在开启状态,则等待1s后重新调用
          setTimeout(function () {
            sendSock(agentData, callback,key)
          }, 2000)
        } else {
          // 若未开启 ,则等待1s后重新调用
          setTimeout(function () {
            sendSock(agentData, callback,key)
          }, 2000)
        }
      }
      function getSock(key,callback) {
        globalCallback.set(key,callback)
      }
      // 数据接收
      function websocketonmessage(e) {
        //console.log(e)
        let ret = e.data
        if (ret.msg === "websocket connect success") {} else {
          if (ret.method === "webSocket_device_transport"){
            const callback = globalCallback.get(ret.sn)
            if (callback && typeof callback === "function")
            callback(ret);
          }else if(ret.method === "webSocket_device_alarm"){
            const callback = globalCallback.get('deviceAlert')
            if (callback && typeof callback === "function")
            callback(ret);
          }
        }
        // globalCallback(JSON.parse(e.data))
        function decodeUnicode(str) {
          str = str.replace(/\\/g, "%");
          //转换中文
          str = unescape(str);
          //将其他受影响的转换回原来
          str = str.replace(/%/g, "\\");
          //对网址的链接进行处理
          str = str.replace(/\\/g, "");
          return str;
        }
      }
      // 数据发送
      function websocketsend(agentData) {
        websock.send(JSON.stringify(agentData))
      }
      // 关闭
      function websocketclose(e) {
        isConnect = false ; //断开后修改标识
      }
      // 创建 websocket 连接
      function websocketOpen(e) {
        isConnect = true
      }
      //登录成功后再建立连接
      //initWebSocket()
      // 将方法暴露出去
      export {
        sendSock,
        getSock,
        createWebSocket,
        closeWebSocket,
        initWebSocket
      }
    C、组件定义 //两点最重要,其一配置,其二事件监听
      <template>
        <div class="videoPlayer">
          <video ref="videoRef" class="video-js vjs-default-skin vjs-big-play-centered" controls>
            <source :src="path" />
          </video>
        </div>
      </template>
      <script setup>
        import { nextTick, onBeforeUnmount, onMounted, ref, watch,defineExpose } from 'vue';
        import videojs from 'video.js'
        import 'video.js/dist/video-js.css'
        import zh from "video.js/dist/lang/zh-CN.json"
        const props = defineProps({
          path: {
            type: String,
            required: true,
            default: '',
          },
          autoplay: {
            type: Boolean,
            default: false,
          },
          poster:{
            type: String,
            default: '',
          },
          w: {
            type: Number,
            default: 1200,
          },
          h: {
            type: Number,
            default: 675,
          }
        })
        const videoRef = ref()
        let player = null;
        let videoPoster = "";
        const emit = defineEmits(['ended','error','timeupdate','seeking'])
        const initPlayer = async () => {
          videojs.addLanguage('zh-CN',zh)
          await nextTick()
          const options = {
            width:props.w,
            height:props.h,
            poster:props.poster,
            autoplay: props.autoplay,
            playbackRates: [0.5, 1, 1.5, 2],
            language: 'zh-CN',
            preload: 'auto', // 预加载
            notSupportedMessage: 'Ajiang此视频暂无法播放,请稍后再试',
            controlBar: {
              children: [ //自定义controlBar内容显示顺序
                { name: 'playToggle' },
                { name: 'progressControl' },
                { name: 'remainingTimeDisplay', displayNegative:false }, //默认情况下,剩余时间显示为负时间。不显示负号 controlBar.remainingTimeDisplay.displayNegative 设置为 false。
                { name: 'playbackRateMenuButton', playbackRates: [0.5, 1, 1.5, 2] },
                { name: 'volumePanel',inline: false},
                { name: 'pictureInPictureToggle' },
                // {name: 'AutoPlayNext'},     //控制是否自动播放下一个
                { name: 'fullscreenToggle' }
              ],
            }
          };
          player = videojs(videoRef.value, options, () => {
            videojs.log('播放器已经准备好了!');
            if(props.poster){
              videoPoster = props.poster;
            }else{
              videoPoster = getPoster();
            }
            if (props.autoPlay && props.path) {
              player.play()
            }
            player.on('play', () => {
              emit('play')
              videojs.log('开始播放了!');
            });
            player.on('ended', () => {
              emit('ended',parseInt(player.currentTime()))
              videojs.log('播放结束了!');
            });
            player.on('error', () => {
              emit('error')
              videojs.log('播放器解析出错!');
            })
            player.on('seeking', () => {
              emit('seeking')
              // videojs.log('每次当视频跳到一个新的时间都会触发!');
            })
            player.on('timeupdate', () => {
              emit('timeupdate',parseInt(player.currentTime()))
              // videojs.log('当当前的播放位置改变的时候触发!');
            })
          });
        }
        const getPoster = ()=>{
          videoRef.value.currentTime = 1;
          // 创建canvas元素
          const canvas = document.createElement('canvas')
          const ctx = canvas.getContext('2d')
          // canvas画图
          canvas.width = props.w
          canvas.height = props.h
          ctx?.drawImage(videoRef.value, 0, 0, canvas.width, canvas.height)
          // 把canvas转成base64编码格式
          return canvas.toDataURL('image/png')
        }
          //方法
        const operation = (param)=> {
          console.log(param)
          if ("play" === param) {   //开始播放
            player.play();
          } else if ("stop" === param) {    //停止播放
            player.pause();
          } else if ("fastForward" === param) { //快进
            let whereYouAt = player.currentTime();
            player.currentTime(10 + whereYouAt);
          } else if ("reload" === param) {  //重新加载
            player.pause();
            player.load();
            player.play();
          } else if ("back" === param) {    //后退
            let whereYouAt = player.currentTime();
            player.currentTime(whereYouAt - 10);
          } else if ("fullScreen" === param) {  //全屏
            player.requestFullscreen();
          } else if ("exitFullScreen" === param) {  //退出全屏
            player.exitFullscreen();
          } else if ("volumeUp" === param) {    //音量加
            let howLoudIsIt = player.volume();
            player.volume(howLoudIsIt + 10);
          } else if ("volumeDown" === param) {  //音量减
            let howLoudIsIt = player.volume();
            console.log(howLoudIsIt)
            player.volume(howLoudIsIt - 10);
          } else if ("reset" === param) {   //重置,视频不会播放
            player.reset();
          }
        }
        onMounted(() => {
          initPlayer()
        })
        watch(() => props.path, () => {
          player.pause()
          player.src(props.path)
          player.load()
          if (props.path) {
              player.play()
          }
        })
        onBeforeUnmount(() => {
          player?.dispose()
        })
        defineExpose({
          operation
        })
      </script>
      <style lang="scss">
      </style>
2、数据展示-PDF展示-共3种
  (1)页外展示,<a :href="item.url" target="_blank">避免跨域</a>
  (2)jquery-media.js
    A、类库:jquery.js、jquery-media.js
    B、前端用Jinja2语法把总变量分散插进HTML里,交给后台
    C、后台给总变量赋值,然后把HTML渲染成PDF,
    D、CSS分页:此前分页page-break-before: always;此后分页page-break-after: always;
      $('#pdf').media({
        width: '100%',
        height: '680px',
        autoplay: true,
        src: '/flow_audit/media?file_name=myNAme'
      });
  (3)vue3-pdf-app(来源于ai-web项目,素材库-文章编辑,媒体大模型)
    附、相关链接,https://www.npmjs.com/package/vue3-pdf-app
    A、依赖
      "dependencies": {
        "vue3-pdf-app": "^1.0.3",
      },
    B、组件调用
      <pdfView :fileVisible="showPDFView" :item="modelFile" @close="hidePDFVisible"></pdfView>
      function viewItem(row) {
        showPDFView.value = true
        modelFile.value = row;
        modelFile.value.url = row.publicUrl;//此处可能产生跨域
      }
    C、组件定义
      <script setup>
        import VuePdfApp from "vue3-pdf-app";
        import "vue3-pdf-app/dist/icons/main.css";
        import { onBeforeUnmount, ref, shallowRef, onMounted, watch } from 'vue'
        const props = defineProps({
          fileVisible: {
            type: Boolean,
            default: false,
          },
          item:{
            type: Object,
            default:()=>{
            }
          }
        });
        const show = ref(false)
        const item = ref(props.item)
        const config = ref({
          toolbar: {
            toolbarViewerRight:false,
            toolbarViewerLeft:{
              findbar:false
            },
            secondaryToolbarToggle:false
          }
        });
        const heightValue = ref('calc(100vh - 200px)');
        watch(props,(now,last) => {
          show.value = now.fileVisible
          item.value = now.item
          console.log(item.value.url)
        })
        const emit = defineEmits(['close'])
        const close = ()=>{
          emit('close')
        }
      </script>
      <template>
        <el-dialog v-model="show" top="5vh" title="文档预览" width="992px" @close="close">
          <div class="article-edit-content" style="overflow-y: scroll" :style="{ height: heightValue }">
            <vue-pdf-app :config="config" :pdf="item.url"></vue-pdf-app>
          </div>
        </el-dialog>
      </template>
      <style lang="scss">
      </style>   
3、数据展示-docx展示-共1种
  (1)用node包实现(来源于ai-web项目,素材库)
    A、依赖
      "dependencies": {
        "docx-preview": "^0.1.20",//该插件提供的renderAsync方法,实现了docx文档展示
      },
    B、组件调用
      <docView :fileVisible="showDOCView" :item="modelFile" @close="hideDOCVisible"></docView>
      function viewItem(row) {
        showDOCView.value = true
        modelFile.value = row;
        modelFile.value.url = row.publicUrl;//此处可能产生跨域
      }
    C、组件定义
      <script setup>
        import { renderAsync } from "docx-preview"
        import { onBeforeUnmount,defineEmits, ref, shallowRef, onMounted, watch ,defineProps} from 'vue'
        const props = defineProps({
          fileVisible: {
            type: Boolean,
            default: false,
          },
          item:{
            type: Object,
            default:()=>{
            }
          }
        });
        const show = ref(false)
        const item = ref(props.item)
        const loading = ref(false)
        const heightValue = ref('calc(100vh - 200px)');
        watch(props,(now,last) => {
          show.value = now.fileVisible
          item.value = now.item
          previewfile()
        })
        const emit = defineEmits(['close'])
        const close = ()=>{
          emit('close')
        }
        const previewfile = () => {
          loading.value = true;
          fetch(item.value.url)
            .then((response) => {
              let docData = response.blob();
              let docxDiv= document.getElementsByClassName("docxDiv");
              renderAsync(docData, docxDiv[0], null, {
                inWrapper: false, // 启用围绕文档内容渲染包装器
                ignoreWidth: false, // 禁止页面渲染宽度
                ignoreHeight: false, // 禁止页面渲染高度
                ignoreFonts: false, // 禁止字体渲染
                breakPages: true, // 在分页符上启用分页
                ignoreLastRenderedPageBreak: true, //禁用lastRenderedPageBreak元素的分页
                experimental: false, //启用实验性功能(制表符停止计算)
                trimXmlDeclaration: true, //如果为真,xml声明将在解析之前从xml文档中删除
                debug: false,
              }).then((res) => {
                loading.value = false;
              });
            })
            .catch((error) => {
              console.log(error);
            });
        };
      </script>
      <template>
        <el-dialog v-model="show" top="5vh" title="文档预览" width="992px" @close="close">
          <div :style="{ height: heightValue }"
            ref="docxDiv"
            class="docxDiv article-edit-content"
            v-loading="loading"
          ></div>
        </el-dialog>
      </template>
      <style lang="scss">
      </style>
4、数据展示-json展示-共3种
  (1)用node包实现
    A、依赖
      "dependencies": {
        "vue-json-viewer": "^2.2.19",
      },
    B、组件调用
      import JsonViewer from "vue-json-viewer";
      <json-viewer
        :value="JSON.parse(logInfo.responseParam)"
        :expand-depth="5"
        :copyable="{
          copyText: '复制',
          copiedText: '复制成功',
          timeout: 2000
        }"
        boxed
        sort
      ></json-viewer>
  (2)原生JS实现
    <!DOCTYPE html>
    <html lang='en'>
      <head>
        <meta charset='UTF-8'>
        <meta name='viewport' content='width=device-width, initial-scale=1.0'>
        <title>JSON展示</title>
        <style>
          .fontSize20{
            font-size: 20px;
          }
          .result{
            width: 400px;
            padding: 40px;
            font-size: 12px;
            background: rgb(231, 228, 228);
          }
        </style>
      </head>
      <body>
        <div class="fontSize20">JSON格式在线校验,https://www.bejson.com/</div>
        <div id='div' class="result"></div>
      </body>
    </html>
    <script>
      function isArray(value) { return {}.toString.call(value) === "[object Array]"; }
      function isObject(value) { return {}.toString.call(value) === "[object Object]"; }
      function addLine(num) {//添加换行
        var str ='\n';
        for(var i = 0; i < num; i++) str +='\n'
        return str;
      }
      function addSpace(num) {//添加空格
        var str ='\xa0';
        for(var i = 0; i < num; i++) str +='\xa0'
        return str;
      }
      function addStr(data, num, isAddDot) {//添加字符串
        var str = '';
        if (isObject(data)) {
          str += '{' + addLine(1);
          var i = 0;
          var strIn = ',';
          var length = Object.keys(data).length;
          for(var attr in data){
            var value = data[attr];
            i++;
            if(i == length) strIn = '';
            str += addSpace(4*num) + JSON.stringify(attr) + ":" + addStr(value, num+1) + strIn + addLine(1);
          }
          str +=  addSpace(4*(num-1)) + '}';
          if(isAddDot) str += ',';
        } else if (isArray(data)) {
          str += '[';
          for(var i=0;i<data.length;i++){
            var value = data[i];
            var isHasDot = i<data.length-1;
            str += addStr(value, num, isHasDot);
          }
          str += ']';
          if(isAddDot) str += ',';
        } else {
          str += JSON.stringify(data);
          if(isAddDot) str += ',';
        }
        return str;
      }
      var data= {
        "aaa":200,
        "bbb":"42465",
        "ccc":false,
        "ddd":[{
          "title":"治车山志",
          "status":"失败"
        },{
          "title":"需酸老",
          "status":"失败"
        }],
        "eee":{
          "省级1":"吉林省",
          "省级3":{
            "河北省":"临夏回族自治州",
            "河南省":{
              "信阳市":{
                "固始县":["A",[1,2],"B",["3","4"]]
                //把数组某项换成'省级3'对象,看效果
              }
            }
          }
        },
        "fff":"★★★"
      }
      document.getElementById('div').innerText = addStr(data, 1);
    </script>
  (3)jQuery实现
    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta charset="UTF-8">
        <script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
        <style >
          .json-document {
            padding: 1em 2em;
          }
          ul.json-dict, ol.json-array {
            list-style-type: none;
            margin: 0 0 0 1px;
            border-left: 1px dotted #ccc;
            padding-left: 2em;
          }
          .json-string {
            color: #0B7500;
          }
          .json-literal {
            color: #1A01CC;
            font-weight: bold;
          }
          a.json-toggle {
            position: relative;
            color: inherit;
            text-decoration: none;
          }
          a.json-toggle:focus {
            outline: none;
          }
          a.json-toggle:before {
            font-size: 1.1em;
            color: #c0c0c0;
            content: "\25BC";/* https://unicode-table.com/cn/ */
            position: absolute;
            display: inline-block;
            width: 1em;
            text-align: center;
            line-height: 1em;
            left: -1.2em;
          }
          a.json-toggle:hover:before {
            color: #aaa;
          }
          a.json-toggle.collapsed:before {
            transform: rotate(-90deg);
          }
          a.json-placeholder {
            color: #aaa;
            padding: 0 1em;
            text-decoration: none;
          }
          a.json-placeholder:hover {
            text-decoration: underline;
          }
        </style>
      </head>
      <body>
        <div id="aaa"></div>
      </body>
    </html>
    <script>
      (function ($) {
        function isCollapsable(arg) {
          return arg instanceof Object && Object.keys(arg).length > 0;
        }
        function isUrl(string) {
          var urlRegexp = /^(https?:\/\/|ftps?:\/\/)?([a-z0-9%-]+\.){1,}([a-z0-9-]+)?(:(\d{1,5}))?(\/([a-z0-9\-._~:/?#[\]@!$&'()*+,;=%]+)?)?$/i;
          return urlRegexp.test(string);
        }
        function json2html(json, options) {
          var html = '';
          if (typeof json === 'string') {
            json = json
              .replace(/&/g, '&')
              .replace(/</g, '<')
              .replace(/>/g, '>')
              .replace(/'/g, '')
              .replace(/"/g, '"');
       
            if (options.withLinks && isUrl(json)) {
              html +=
                '<a href="' +
                json +
                '" class="json-string" target="_blank">' +
                json +
                '</a>';
            } else {
              if (json.indexOf('RED_SELF') > -1) {
                json = json.replace('RED_SELF', '');
                html +=
                  '<span class="json-literal" style="color:red">' + json + '</span>';
              } else if (json.indexOf('RED_parent') > -1) {
                json = json.replace('RED_parent', '');
                html += '<span class="json-literal RED_parent">' + json + '</span>';
              } else {
                json = json.replace(/"/g, '\\"');
                html += '<span class="json-string">"' + json + '"</span>';
              }
            }
          } else if (typeof json === 'number') {
            html += '<span class="json-literal">' + json + '</span>';
          } else if (typeof json === 'boolean') {
            html += '<span class="json-literal">' + json + '</span>';
          } else if (json === null) {
            html += '<span class="json-literal">null</span>';
          } else if (json instanceof Array) {
            if (json.length > 0) {
              html += '[<ol class="json-array">';
              for (var i = 0; i < json.length; ++i) {
                html += '<li>';
                if (isCollapsable(json[i])) {
                  html += '<a href class="json-toggle"></a>';
                }
                html += json2html(json[i], options);
                if (i < json.length - 1) {
                  html += ',';
                }
                html += '</li>';
              }
              html += '</ol>]';
            } else {
              html += '[]';
            }
          } else if (typeof json === 'object') {
            var keyCount = Object.keys(json).length;
            if (keyCount > 0) {
              html += '{<ul class="json-dict">';
              for (var key in json) {
                if (Object.prototype.hasOwnProperty.call(json, key)) {
                  html += '<li>';
                  var keyRepr = options.withQuotes
                    ? '<span class="json-string">"' + key + '"</span>'
                    : key;
                  if (isCollapsable(json[key])) {
                    html += '<a href class="json-toggle">' + keyRepr + '</a>';
                  } else {
                    html += keyRepr;
                  }
                  html += ': ' + json2html(json[key], options);
                  if (--keyCount > 0) {
                    html += ',';
                  }
                  html += '</li>';
                }
              }
              html += '</ul>}';
            } else {
              html += '{}';
            }
          }
          return html;
        }
        $.fn.jsonViewer = function (json, options) {
          options = Object.assign(
            {},
            {
              collapsed: false,
              rootCollapsable: true,
              withQuotes: false,
              withLinks: true
            },
            options
          );
          return this.each(function () {
            var html = json2html(json, options);
            if (options.rootCollapsable && isCollapsable(json)) {
              html = '<a href class="json-toggle"></a>' + html;
            }
            $(this).html(html);
            $(this).addClass('json-document');
            $(this).off('click');
            $(this).on('click', 'a.json-toggle', function () {
              var target = $(this)
                .toggleClass('collapsed')
                .siblings('ul.json-dict, ol.json-array');
              target.toggle();
              if (target.is(':visible')) {
                target.siblings('.json-placeholder').remove();
              } else {
                var count = target.children('li').length;
                var placeholder = count + (count > 1 ? ' items' : ' item');
                target.after(
                  '<a href class="json-placeholder">' + placeholder + '</a>'
                );
              }
              return false;
            });
            $(this).on('click', 'a.json-placeholder', function () {
              $(this).siblings('a.json-toggle').click();
              return false;
            });
       
            if (options.collapsed == true) {
              $(this).find('a.json-toggle').click();
            }
          });
        };
      })(jQuery);
      var obj={
        "id": 1001,
        "type": "donut",
        "name": "Cake",
        "description": "https://en.wikipedia.org/wiki/Doughnut",
        "price": 2.55,
        "available": {
          "store": 42,
          "warehouse": 600
        },
        "toppings": [
          { "id": 5001, "type": "None" },
          { "id": 5002, "type": "Glazed" },
          { "id": 5005, "type": "Sugar" },
          { "id": 5003, "type": "Chocolate" },
          { "id": 5004, "type": "Maple" }
        ],
        "uuids": [
          "826b23ce-2669-4122-981f-3e2e4429159d",
          "e32111a0-6a87-49ab-b58f-a01bf8d28ba0",
          "c055a894-698e-41c0-b85f-7510a7351d9d",
        ],
      };
      $('#aaa').jsonViewer(obj);
    </script>
 
七、文档编辑
1、文档编辑-editormd          
  (1)下载依赖包editormd并导入 git clone https://github.com/pandao/editor.md.git   
    <script src="./common/editor.md/editormd.min.js"></script>       
  (2)如果编辑后台返回的数据,那么向后台发送请求,获取数据serverData
  (3)相关代码
    html代码
    <div id="editormd" style="height: 580px">
      <textarea style="display: none"></textarea>
    </div>
    js代码,在请求成功后,执行下列代码
    that.testEditor = editormd("editormd", {
      width: "100%",
      height: "720",
      watch: false, //关闭分栏
      toolbar: false, //关闭工具栏
      value: serverData||'', //字符串
      path: "./common/editor.md/lib/",//依赖存放路径
    });
    setTimeout(function () {
      var value = that.testEditor.getValue();
      //这是前同事的代码,获取编辑前的数据,方便与编辑后的数据作比对,我以为没必要这样写
      //编辑前的数据就是字符串serverData,在定时器外存储一下即可,如var value = serverData
    }, 500);
  (4)详细使用教程,百度“editor.md使用教程”
2、文档编辑-vue-ueditor-wrap(用于open-cctv项目,合集-文章编辑)
  (1)依赖
    "dependencies": {
      "vue-ueditor-wrap": "^2.5.6",
    },
  (2)使用组件
    <el-form-item label="文章内容" prop="region" class="article-form-editor">
      <vue-ueditor-wrap v-model="html" :config="myConfig" @ready="ueditorReady"></vue-ueditor-wrap>
    </el-form-item>
  (3)配置组件
    import VueUeditorWrap from "vue-ueditor-wrap";
    export default {
      name: 'Article',
      components: {
        VueUeditorWrap,
      }
      data() {
        return {
          html: '',
          myConfig: {
            //按钮
            toolbars: [
              [
                'source', //源代码
                //'anchor', //锚点
                'undo', //撤销
                'redo', //重做
                'bold', //加粗
                'indent', //首行缩进
                'italic', //斜体
                'underline', //下划线
                'strikethrough', //删除线
                'superscript', //上标
                'subscript', //下标
                'fontborder', //字符边框
                'formatmatch', //格式刷
                'blockquote', //引用
                'pasteplain', //纯文本粘贴模式
                'selectall', //全选
                'removeformat', //清除格式
                'time', //时间
                'date', //日期
                'unlink', //取消链接
                'link', //超链接
                'cleardoc', //清空文档
                'touppercase', //字母大写
                'tolowercase', //字母小写
                'fontfamily', //字体
                'fontsize', //字号
                'paragraph', //段落格式
                'searchreplace', //查询替换
                'justifyleft', //居左对齐
                'justifyright', //居右对齐
                'justifycenter', //居中对齐
                'justifyjustify', //两端对齐
                'forecolor', //字体颜色
                'directionalityltr', //从左向右输入
                'directionalityrtl', //从右向左输入
                'rowspacingtop', //段前距
                'rowspacingbottom', //段后距
                'lineheight', //行间距
                'horizontal', //分隔线
                'clears', //分隔线
                'simpleupload', //单图上传
                //'backcolor', //背景色
                //'customstyle', //自定义标题
                //'pagebreak', //分页
                //'imageleft', //左浮动
                //'imageright', //右浮动
                //'imagecenter', //居中
                //'insertrow', //前插入行
                //'insertcol', //前插入列
                //'deleterow', //删除行
                //'deletecol', //删除列
                //'splittorows', //拆分成行
                //'splittocols', //拆分成列
                //'edittip ', //编辑提示
                //'imagenone', //默认
                //'insertcode', //代码语言
                //'snapscreen', //截图
                //'print', //打印
                //'preview', //预览
                //'mergeright', //右合并单元格
                //'mergedown', //下合并单元格
                //'splittocells', //完全拆分单元格
                //'deletecaption', //删除表格标题
                //'inserttitle', //插入标题
                //'insertparagraphbeforetable', //"表格前插入行"
                //'mergecells', //合并多个单元格
                //'deletetable', //删除表格
                'generateImage', //多图上传
                //'edittable', //表格属性
                //'edittd', //单元格属性
                //'emotion', //表情
                //'spechars', //特殊字符
                //'map', //Baidu地图
                //'gmap', //Google地图
                //'insertvideo', //视频
                //'help', //帮助
                //'insertorderedlist', //有序列表
                //'insertunorderedlist', //无序列表
                //'fullscreen', //全屏
                //'insertframe', //插入Iframe
                //'attachment', //附件
                //'wordimage', //图片转存
                //'autotypeset', //自动排版
                //'webapp', //百度应用
                //'background', //背景
                //'template', //模板
                //'scrawl', //涂鸦
                //'music', //音乐
                //'inserttable', //插入表格
                //'drafts', //从草稿箱加载
                //'charts', //图表
              ],
            ],
            labelMap: {
              simpleupload: "插入图片",
            },
            //编辑器不自动被内容撑高
            autoHeightEnabled: false,
            //初始容器高度
            initialFrameHeight: 300,
            //初始容器宽度
            initialFrameWidth: "95%",
            elementPathEnabled: false,
            //wordCount: false,
            wordCount: true, //是否开启字数统计
            maximumWords: 200000, //允许的最大字符数
            //字数统计提示,{#count}代表当前字数,{#leave}代表还可以输入多少字符数,留空支持多语言自动切换,否则按此配置显示
            wordCountMsg:
              "当前已输入 {#count} 个字符,您还可以输入 {#leave} 个字符", //当前已输入 {#count} 个字符,您还可以输入{#leave} 个字符
            serverUrl:process.env.VUE_APP_BASE_API +"ueditor/ueditorUpload",
            UEDITOR_HOME_URL: "./UEditor/",
            zIndex: 1,
          },
        }
      },
      methods: {
        ueditorReady(editorInstance) {
          this.ueditorOject = editorInstance;
          //console.log(`编辑器实例${editorInstance.key}: `, editorInstance)
        }
      },
    }
3、文档编辑-editor-for-vue,不插图片(来源于ai-web项目,素材库)
  (1)依赖
    "dependencies": {
      "@wangeditor/editor-for-vue": "^5.1.12",
    },
  (2)使用组件
    <textView
      :fileVisible="fileVisible"
      :item="modelFile"
      :readonly="readonly"
      @submit="update"
      @close="hideFileVisible"
    ></textView>
  (3)定义组件
    <template>
      <el-dialog v-model="show" top="5vh" title="文档预览" width="992px"  @close="close">
        <div 
          class="article-edit-content" 
          v-loading="loading"
          :element-loading-svg="loadSvg"
          element-loading-svg-view-box="-10, -10, 50, 50" 
          style="overflow-y:scroll;"
          :style="{height:heightValue}" 
          v-if="showEdit"
        >
          <div class="article-edit-toolbar">
            <Toolbar
              style="border-bottom: 1px solid #ccc"
              :editor="editorRef"
              :defaultConfig="toolbarConfig"
              :mode="mode"
              v-if="!readonly"
            />
          </div>
          <div class="article-edit-warp">
            <div class="article-title" v-if="readonly" >
              {{ item.title }}
            </div>
            <el-input
              v-else
              v-model="item.title"
              autosize
              type="textarea"
              placeholder="请输入标题"
              class="article-textarea"
            />
            <Editor
              style=" overflow-y: hidden"
              v-model="item.htmlContent"
              :defaultConfig="editorConfig"
              :mode="mode"
              @onCreated="handleCreated" //“非常重要A-1/3”:把编辑区交给工具区1/2
            />
          </div>
        </div>
        <template #footer v-if="!readonly">
          <span class="dialog-footer">
            <el-button @click="close">取消</el-button>
            <el-button type="primary" @click="submit">确定</el-button>
          </span>
        </template>
      </el-dialog>
    </template>
    <script setup>
      import { Editor, Toolbar } from '@wangeditor/editor-for-vue';
      import '@wangeditor/editor/dist/css/style.css'
      import { updateMaterialDocument } from '@/api/materialDocument.js';
      import { onBeforeUnmount, ref, shallowRef, onMounted, watch } from 'vue'
      const props = defineProps({
        fileVisible: {
          type: Boolean,
          default: false,
        },
        readonly: {
          type: Boolean,
          default: true,
        },
        item:{
          type: Object,
          default:()=>{}
        }
      });
      const loading = ref(false)
      const show = ref(false)
      const item = ref(props.item)
      const readonly = ref(props.readonly)
      const showEdit = ref(false)
      const editorRef = shallowRef();
      const heightValue = ref('calc(100vh - 200px)');
      watch(props,(now,last) => {
        console.log(now)
        show.value = now.fileVisible
        if(show.value){
          setTimeout(()=>{
            showEdit.value = true
          },100)
        } else {
          showEdit.value = false
        }
        item.value = now.item
        item.value.htmlContent=item.value.htmlContent?item.value.htmlContent:item.value.summary
        readonly.value = now.readonly
        if(readonly.value){
          editorRef.value&&editorRef.value.disable()
          heightValue.value = 'calc(100vh - 200px)'
        } else{
          editorRef.value&&editorRef.value.enable()
          heightValue.value = 'calc(100vh - 400px)'
        }
      })
      const mode = ref('default')// 或 'simple'
      // 模拟 ajax 异步获取内容
      const toolbarConfig = {
        excludeKeys: [
          'divider','codeBlock','insertTable','group-video','group-image',
          'insertLink','emotion','fullScreen','blockquote','group-more-style'
        ],
        insertKeys:{
          index: 30,
          keys: ['clearStyle']
        }
      };
      const editorConfig = { placeholder: '' };
      // 组件销毁时,也及时销毁编辑器
      onBeforeUnmount(() => {
        const editor = editorRef.value;
        if (editor == null) return;
        editor.destroy();
      });
      const emit = defineEmits(['close','submit'])
      const submit =() =>{
        loading.value = true
        item.value.textContent =  editorRef.value.getText() //“非常重要A-2/3”:获取编辑区文字内容
        updateMaterialDocument(item.value).then(res =>{
          loading.value = false
          ElMessage({
            message: '更新成功',
            type: 'success',
          })
          show.value = false
          emit('submit',item)
        }).catch(error => {
          loading.value = false
          ElMessage({
            message: '更新失败',
            type: 'error',
          })
        })
      }
      const close = () => {
        show.value = false
        editorRef.value && editorRef.value.destroy();
        editorRef.value = null
        emit('close')
      }
      const handleCreated = editor => {
        editorRef.value = editor; // “非常重要A-3/3”:把编辑区交给工具区2/2
        if(readonly.value){
          editor.disable()
        } else{
          editor.enable()
        }
      }
    </script>
    <style lang="scss">
    </style>
4、文档编辑-editor-for-vue,插入图片(来源于ai-web项目feature/interface分支,素材库)
  附、兄弟组件传参:兄组件发射事件,父组件监听事件,父组件组件通过ref调用弟组件的方法
  (1)依赖,用在(3)B里
    "dependencies": {
      "@wangeditor/editor-for-vue": "^5.1.12",
    },
  (2)使用-页面,
    <template>
      <div class="create common-layout">
        <el-container>
          <el-header>
          </el-header>
          <el-container>
            <el-aside width="400px" class="create-aside">
              <el-tabs type="border-card" v-model="activeName" :stretch="false">
                <el-tab-pane label="直接生成" name="direct" :disabled="settingsStore.isStopOperate">
                </el-tab-pane>
                <el-tab-pane label="分步生成" name="scatter" :disabled="settingsStore.isStopOperate">
                </el-tab-pane>
                <el-tab-pane label="智能配图" name="picture" :disabled="settingsStore.isStopOperate">
                  <div class="generate-form" >
                    <Picture ref="pictureRef"></Picture>
                  </div>
                  <div class="create-button">
                    <el-button type="primary" :disabled="settingsStore.isStopOperate" style="width: 100%" size="large" @click="generateImage">生成图片</el-button>
                  </div>
                </el-tab-pane>
                <el-tab-pane label="搜索素材" name="article" :disabled="settingsStore.isStopOperate">
                </el-tab-pane>
              </el-tabs>
            </el-aside>
            <el-main>
              <Editor
                ref="editorRef"
                :syllabus-result="syllabusResult" 
                @resultIntervene="onResultIntervene"
                @goldenSentenceVerificationEmi="onSoundbite"
                @deliverInfo="onEditorRrsult" 
                @stopCreat="onStopCreat"
                @adoptP="onAdoptP" 
                @disuseP="onDisuseP"
              />
            </el-main>
          </el-container>
        </el-container>
      </div>
    </template>
    <script setup>
      import useSettingsStore from '@/store/modules/settings';
      import Editor from './editor.vue';
      import Picture from './picture.vue';
      const settingsStore = useSettingsStore();
      const pictureRef = ref(null);
      const editorRef = ref(null);
      import config from '@/config/index.js';
      const MOLD = config.MOLD
      /* MOLD: {
        "GENERATE":1, //直接生成
        "STEPS":2, //分步生成
        "IMAGE":3,
        "TITLE":4,
        "EXCERPT":5,
        "KEYWORDS":6,
        "CONTINUATION":7,
        "TRANSLATE":8,
        "REWRITE":9, //全文改写
        "GENERATE_INTERFERE":11
      }, */
      function generateImage(data){
        settingsStore.setStopOperate(true)
        pictureRef.value.submit().then(params => {
          editorRef.value.insertContent(MOLD.IMAGE,params)//“非常重要B-1/9”:获取图片后,在编辑器里,手动获取焦点并插入图片
        })
      }
    </script>
  (3)定义-页面子组件
    A、页面子组件Picture
      <template>
        <div class="picture-form">
          <el-form label-position="top" :rules="rules" :model="form" ref="formRef">
            <el-form-item label="写作内容或主题" prop="content">
              <el-input
                maxlength="500"
                type="textarea"
                show-word-limit
                v-model="form.content"
                placeholder="试试输入你心中的画面,尽量描述具体,可以尝试用一些风格修饰词辅助你的表达。如:画面主体、颜色、质感等"
                :rows="4"
                :disabled="settingsStore.isStopOperate"
              />
            </el-form-item>
            <el-form-item label="风格">
              <div class="picture-form__list">
                <div
                  class="picture-form__item"
                  :class="{ active: (index == activeIndex) }"
                  v-for="(item, index) in wanxiangImageStyleConfig"
                  :key="index"
                  @click="selectStyle(item,index)"
                  :style="`cursor: ${settingsStore.isStopOperate?'not-allowed':'pointer'}`"
                >
                  <div class="picture-form__img">
                    <img :src="item.pic" />
                    <div class="picture-form__style">{{ item.name }}</div>
                  </div>
                </div>
              </div>
            </el-form-item>
            <el-form-item label="比例">
              <el-radio-group v-model="form.size" style="width: 100%" :disabled="settingsStore.isStopOperate">
                <el-radio-button
                  :key="item.value"
                  :label="item.value"
                  v-for="item in wanxiangImageSizeConfig"
                >{{item.name}}</el-radio-button>
              </el-radio-group>
            </el-form-item>
          </el-form>
        </div>
      </template>
      <script setup>
        import config from '@/config/index.js';
        import { reactive, ref } from 'vue';
        import { useRouter,useRoute } from 'vue-router'
        import { v1 as uuidv1 } from 'uuid';
        import useSettingsStore from '@/store/modules/settings';
        const settingsStore = useSettingsStore()
        const uuid = uuidv1();
        const route = useRoute();
        const wanxiangImageStyleConfig = ref(config.wanxiangImageStyleConfig);
        const wanxiangImageSizeConfig = ref(config.wanxiangImageSizeConfig);
        const form = reactive({
          size:'1024*1024'
        });
        const formRef = ref(null);
        const activeIndex = ref(0);
        const rules = {
          content: [
            { required: true, message: '图片内容或主题不能为空', trigger: 'blur' },
          ],
        }
        const subObj = reactive({
          "invokeType": "portal",
          "domain": route.query.domain || 'media',
          "url": "/image/generateImageTask",
          "style": "<auto>",
          "size": "1024*1024",
          "type": 1,
          "paragraphList": [
            {
              "id": 1,
              "content": ""
            }
          ],
          "articleTaskId": ''
        })
        function submit() {
          return new Promise ( (resolve,reject) => {
            formRef.value.validate((valid, fields) => {
              if (valid) {
                if (settingsStore.taskId) {
                  subObj.articleTaskId = settingsStore.taskId
                }else{
                  subObj.articleTaskId = uuid
                  settingsStore.setTaskInfo(uuid);
                }
                subObj.size = form.size
                subObj.paragraphList[0].content = form.content
                console.log(subObj);
                resolve(subObj)
                return subObj
              } else {
                settingsStore.setStopOperate(false)
                reject()
              }
            })
          })
        }
        function selectStyle(item,index){
          if (!settingsStore.isStopOperate) {
            activeIndex.value = index
            subObj.style = item.value
          }
        }
        defineExpose({
          submit
        })
      </script>
    B、页面子组件Editor。包含插件Editor组件
      附、工具栏配置,https://www.wangeditor.com/v5/toolbar-config.html#toolbarkeys
      <template>
        <div class="editor-container">
          <div class="editor-toolbar" id="editor-tool-bar-wrapper">
            <Toolbar :editor="editorRef" :defaultConfig="toolbarConfig" />
          </div>
          <div class="article-container">
            <div class="article-content">
              <div class="article-title">
                <el-input v-model="title" autosize type="textarea" placeholder="无标题" />
              </div>
              <div id="editor-content" class="editor-content">
                <Editor
                  v-model="valueHtml"
                  :defaultConfig="editorConfig"
                  @mouseup="editorSelectedHandler"
                  @onCreated="handleCreated" //“非常重要B-2/9”:把编辑区交给工具区1/2
                />
              </div>
            </div>
            <InsertImg v-show="insertImgShow" @closeInsertImg="insertImgShow = false" @regeneration="interfereSubmit()"></InsertImg>
            <div class="cover-container" v-if="coverRenderFlag">
              <cctvTranslateRender v-if="mold === config.MOLD.TRANSLATE" :original-param="coverParams" :mold="mold"
                @cancel="cancelHandler"
                @disuse="disuseHandler" @adopt="adoptHandler" @compare="compareHandler" ref="aiComponent">
              </cctvTranslateRender>
              <cctvRewriteRender v-if="mold === config.MOLD.REWRITE" :original-param="coverParams" :mold="mold"
                @cancel="cancelHandler"
                @disuse="disuseHandler" @adopt="adoptHandler" @compare="compareHandler" ref="aiComponent">
              </cctvRewriteRender>
            </div>
          </div>
        </div>
      </template>
      <script>
        import { render, h as vueH} from 'vue';
        import { Editor, Toolbar } from '@wangeditor/editor-for-vue';//依赖在此使用
        import { Boot, DomEditor } from '@wangeditor/editor';
        import CctvImgRender from "@/components/editor/cctv-img-render.vue";
        import cctvRender from "@/components/editor/cctv-render.vue";
        const aiComponent = ref(null);
        const editorSelf = null;
        const aiApp = ref(null)
        const domId = ref('');
        const toolbarConfig = {
          toolbarKeys: [
            "undo","redo","clearStyle","|","headerSelect","fontSize","bold",
            "italic","through","underline","fontFamily","|","color","bgColor","|"
          ],
          excludeKeys: [
            'divider','codeBlock','insertTable','group-video','group-image',
            'insertLink','emotion','fullScreen','blockquote','group-more-style'
          ],
          insertKeys: {
            index: 30,
            keys: ['clearStyle']
          },
        };
        onBeforeUnmount(() => {
          if (editorSelf == null) return
          editorSelf.destroy()
          editorRef.value.destroy()
        })
        const handleCreated = (editorEle) => {
          editorRef.value = editorEle //“非常重要B-3/9”:把编辑区交给工具区2/2
          editorSelf = editorEle;
        }
        function renderCctv(elem, children, editor) {
          const cctvVnode = h('span',
            // HTML 属性、样式、事件
            {
              props: { contentEditable: false, id: elem.id }, // HTML 属性,驼峰式写法
              style: { display: 'inline-block', /* 其他... */ }, // style ,驼峰式写法
            },
          )
          return cctvVnode
        }
        function disuseCompareHandler() {
          aiComponent.value.handleDisuse()
          editorSelf.enable()
        }
        const renderElemConf = {
          type: 'cctv', // 新元素 type ,重要!!!
          renderElem: renderCctv,
        }
        Boot.registerRenderElem(renderElemConf);
        const insertPlugin = (type, params) => {
          mold.value = type
          if (domId.value !== '') {
            let pluginDiv = document.getElementById(domId.value);
            pluginDiv.parentNode.removeChild(pluginDiv);
            domId.value = '';
          }
          if (aiApp.value) {
            aiApp.value.unmount()
          }
          let id = uuidv1();
          domId.value = id;
          const node = { type: 'cctv', id: id, children: [{ text: '' }] }
          if (type === config.MOLD.TITLE || type === config.MOLD.EXCERPT) {
            editorSelf.focus();
            editorSelf.moveReverse(editorSelf.getText().length + 1000)
          } else if (type === config.MOLD.KEYWORDS || type === config.MOLD.CONTINUATION) {
            editorSelf.move(editorSelf.getText().length);
          } else {
            editorSelf.focus();//“非常重要B-4/9”:手动获取焦点
          }
          editorRef.value.insertNode(node);//“非常重要B-5/9”:在焦点处插入节点外壳,节点外壳的id为变量id
          editorSelf.disable();
          setTimeout(() => {
            let render = cctvRender
            if (type == config.MOLD.IMAGE) {//“非常重要B-6/9”:插入图片时,走这个逻辑
              render = CctvImgRender//就是把url插入到img标签的src属性里
            }
            if (type == config.MOLD.TITLE) {
              render = CctvTitleRender
            }
            if (type == config.MOLD.EXCERPT || type == config.MOLD.CONTINUATION) {
              render = CctvExcerptRender
            }
            if (type == config.MOLD.KEYWORDS) {
              render = CctvKeywordsRender
            }
            aiApp.value = createApp(render,//“非常重要B-7/9”:根据render组件生成真正节点
              {
                originalParam: params,
                mold: type,
                onAdopt: adoptHandler,
                onReplace: replaceHandler,
                onCancel: cancelHandler,
                onDisuse: disuseHandler,
                onCompare: compareHandler,
                onResultIntervene: resultInterveneHandler,
              },
            )
            aiComponent.value = aiApp.value.mount(document.getElementById(id))//“非常重要B-8/9”:把真正节点挂载(插入)到节点外壳上
          }, 10)
          return;
        }
        const insertContent = (type, params) => {
          insertPlugin(type, params);//“非常重要B-9/9”:获取图片后,在编辑器里,手动获取焦点并插入图片
          return
        }
        defineExpose({
          insertContent
        })
      </script>
    C、页面子组件Editor的子组件cctvRender
      //本组件没有引入其他组件
      //本组件是Editor的子组件,import cctvRender from "@/components/editor/cctv-render.vue";
      <script setup>
        import { reactive, defineProps, watch, ref, onBeforeMount, onUnmounted, nextTick, computed } from 'vue'
        import wanchengIcon from '@/assets/icons/editor/wancheng.png';
        import loadingIcon from '@/assets/icons/editor/loading.gif';
        import config from '@/config/index.js';
        import useSettingsStore from '@/store/modules/settings';
        const settingsStore = useSettingsStore()
        const emit = defineEmits(['stopCreat', 'adopt', 'disuse', 'cancel', 'replaceFun', 'compare','resultIntervene'])
        const props = defineProps({
          isFinished: {
            default: false,
          },
        })
        const contRef = ref(null);
        const renderInfo = reactive(
          {
            name: config.name,
            response: '',
          }
        )
        onBeforeMount(() => {
          if (props.mold === 2) {
            renderInfo.imageIsStart = false;
          }
        })
        onUnmounted(() => {
          if (renderInfo.picCreatTimer) {
            clearInterval(renderInfo.picCreatTimer)
          }
        })
        function checkValue(obj, target) {
          for (let key in obj) {}
          return false;
        }
        const handleDisuse = () => {
          emit('disuse', response.value);
        };
        watch(props, newValue => {
          renderInfo.response = newValue.response;
          renderInfo.type = newValue.mold;
        })
        const addTitle = (obj) => {
          emit("adopt", obj)
        }
      </script>
      <template>
        <!-- 数据返回错误的处理 -->
        <div class="article-generation-fail" v-if="renderInfo.state === 9">
          <button type="button" class="btn cancel" @click="cancel">取消</button>
        </div>
        <div class="article-generation" v-else>
          <div class="article-generation-container">
            <div class="article-generation-header-box">
              <!-- 文章 -->
              <!-- 配图 -->
              <!-- 生成标题 -->
              <!-- 提取关键字 -->
            </div>
            <div class="article-generation-body">
              <!-- 文章 -->
              <!-- 配图 -->
              <!-- 生成标题 -->
              <!-- 生成摘要 -->
              <!-- 提取关键字 -->
            </div>
            <div class="article-generation-footer">
              <!-- 文章 -->
              <!-- 图片 -->
              <!-- 生成摘要 -->
              <!-- 提取关键字 -->
            </div>
          </div>
        </div>
      </template>
 
八、算法知识|显示屏尺寸|丈母娘要彩礼|编程绝句
1、算法知识
(1)查找算法:
通过和文件中的关键字进行比较来实现的,都采用平均查找长度来衡量算法的优劣。那么能否有一种方法,不必进行与关键字的比较而达到查找的目的,这样平均查找长度就为0。哈希查找的基本思想是:通过对给定值作某种运算,直接求得(((关键字等于给定值的)记录)在文件中的)位置。
(2)八种数据结构:
数组、栈、队列、链表、集合、字典、树、图(一组由边连接的顶点)!以数组作为数组元素的数组,叫做二维数组,又叫做矩阵。行数、列数相等的矩阵称为方阵。元素以主对角线为对称轴对应相等的方阵叫做对称矩阵。主对角线外都是零元素的方阵叫做对角矩阵。将矩阵的行列互换得到的新矩阵称为转置矩阵。存放图顶点间关系的矩阵叫做邻接矩阵。
(3)树与二叉树:
由有限节点组成,具有层级关系的数据结构叫做树;每个节点最多有两个子节点的树叫做二叉树。
2、显示屏尺寸
  function displayScreen(width,height,inch){
    //以下,既是真假对角线的比例,也是真假宽、真假高的比例
    var radio = inch/Math.sqrt(width*width+height*height);
    //以下,真宽 = 真假宽的比例*假宽
    var trueWidth = (radio*width*2.54).toFixed(2);
    //以下,真高 = 真假高的比例*假高
    var trueHeight = (radio*height*2.54).toFixed(2);
    var line = (inch*2.54).toFixed(2);
    var last = "";
    last += inch + "寸" + width + ":" + height + "的显示屏,";
    last += "宽为" + trueWidth + "厘米;";
    last += "高为" + trueHeight + "厘米;"
    last += "其对角线长为" + line + "厘米!";
    console.log(last);
  }
  for(var inch=20; inch<=60; inch+=1){displayScreen(16,9,inch)}
3、丈母娘要彩礼
(1)格式化版
  function formatMoney(total) {
    /**
     * @formatMoney 格式化钱数为亿、万、元、角、分;效果为数字和汉字相间出现,这样分段更清晰,更容易读出
     * @total 总钱数
     */
    var numStr = total.toString();
    var numArr = numStr.split('.');
    var numFront = numArr[0];
    var numBack = numArr[1];
    var frontLen = numFront.length;
    var yi = '',
      wan = '',
      yuan = '',
      jiao = '',
      fen = '';
    var jiaoFront = '';
    //以下处理整数部分
    if(frontLen > 12||numStr.indexOf('1e+')>-1){
      return '本函数最多格式化12位数'
    
    if (frontLen > 4) {//以下处理万级及以上数据
      if (frontLen > 8) {//以下处理亿级及以上数据
        yi = numFront.substring(0, frontLen - 8) + '亿';
        //以下处理十亿级及以上数据的亿位补零
        if(numFront.charAt(frontLen - 9) == '0' && numFront.charAt(frontLen - 8) != '0') yi += '零';
        //以下处理亿级及以上数据的千万、百万、十万位补零
        for (var i = frontLen - 8; i < frontLen - 4; i++) {
          if (numFront.charAt(i) && numFront.charAt(i) != '0') {
            wan = (frontLen - i < 8 ? '零' : '') + numFront.substring(i, frontLen - 4) + '万';
            break;
          }
        }
      } else {//以下处理亿级以下、万级及以上数据 
        wan = numFront.substr(0, frontLen - 4) + '万';
      }
      //以下处理十万级及以上数据的万位补零
      if(numFront.charAt(frontLen - 5) == '0' && numFront.charAt(frontLen - 4) != '0') yuan += '零';
      //以下处理万级及以上数据的千、百、十位补零
      for (var i = frontLen - 4; i < frontLen; i++) {
        if (numFront.charAt(i) && numFront.charAt(i) != '0') {
          yuan += (frontLen - i < 4 ? '零' : '') + numFront.substring(i) + '元';
          break;
        }
      }
    } else {//以下处理万级以下数据
      if (numFront != '0') {//排除整数部分为0的情况
        yuan = numFront.substr() + '元';
      }
    }
    var moneyFront = total + '元,即' + yi + wan + yuan;
    //以下处理小数部分
    var last1 = moneyFront.charAt(moneyFront.length - 1);
    var last2 = moneyFront.charAt(moneyFront.length - 2);
    if (numBack) {//如果存在小数
      //以下处理角
      if (numBack.charAt(0) == '0') {//如果十分位是0
        if(numFront != '0' && numBack.charAt(1) && numBack.charAt(1) != '0'){
          jiao = yuan? '零': '元零';//千、百、十、个位全为零时,yuan为空,需补元
        }
      } else {//如果十分位不是0
        if(last1 == '元' && last2 == '0'){
          jiaoFront = '零';
        }else if(last1 == '亿' || last1 == '万'){
          jiaoFront = '元零';
        }
        jiao = jiaoFront + numBack.charAt(0) + '角'
      }
      //以下处理分
      if (numBack.charAt(1) && numBack.charAt(1) != '0') fen = numBack.charAt(1) + '分'
    }else{//如果不存在小数
      if(last1 == '亿'||last1 == '万'){//如果亿位或万位以后的整数都是0
        moneyFront = moneyFront + '元';
      }
    }
    //以下汇总并抛出
    var money = moneyFront + jiao + fen;
    return money
  }
  function payMoney(startYuan, dayNum, time) {
    /**
     * @payMoney 算出每天钱数和所有天总钱数
     * @startYuan 第一天给多少钱
     * @dayNum 连续给多少天
     * @time 后一天给前一天多少倍
     */
    startYuan = startYuan || 0.01;
    dayNum = dayNum || 30;
    time = time || 2;
    //以下算出每天钱数
    var dayMoney = '';
    dayMoney += '丈母娘要彩礼:' + '\n';
    dayMoney += '第1天给' + formatMoney(startYuan) + '\n';
    dayMoney += '以后每天给前一天的' + time + '倍,连续给' + dayNum + '天。\n';
    for (var i = 1; i <= dayNum; i++) {
      var money = startYuan * Math.pow(time, i - 1);
      dayMoney += '第' + i + '天应该给丈母娘:' + formatMoney(money) + '\n';
    }
    //以下算出所有天钱数
    var total = 0;
    for (var i = 1; i <= dayNum; i++) {
      total += startYuan * Math.pow(time, i - 1);
    }
    //以下抛出最终结果
    return dayMoney + dayNum + '天共计:' + formatMoney(total);
  }
  console.log(payMoney())
  console.log('.........')
  /*
  console.log(payMoney(1))
  console.log( formatMoney(0.1) );
  console.log( formatMoney(0.01) );
  console.log( formatMoney(300.1) );
  console.log( formatMoney(300.01) );
  console.log( formatMoney(10300.1) );
  console.log( formatMoney(10300.01) );
  console.log( formatMoney(100000000.1) );
  console.log( formatMoney(100000000.01) );
  console.log( formatMoney(1000010000.01) );
  console.log( formatMoney(1010100010.11) ); */
(2)非格式化版
  function payMoney(startYuan, dayNum, time) {
    startYuan = startYuan || 0.01;
    dayNum = dayNum || 30;
    time = time || 2;
    //以下算出每天钱数
    var dayMoney = '';
    dayMoney += '丈母娘要彩礼:' + '\n';
    dayMoney += '第1天给' + startYuan + '元' + '\n';
    dayMoney += '以后每天给前一天的' + time + '倍,连续给' + dayNum + '天。\n';
    for (var i = 1; i <= dayNum; i++) {
      var money = startYuan * Math.pow(time, i - 1);
      dayMoney += '第' + i + '天应该给丈母娘:' + money + '元' + '\n';
    }
    //以下算出所有天钱数
    var total = 0;
    for (var i = 1; i <= dayNum; i++) {
      total += startYuan * Math.pow(time, i - 1);
    }
    //以下抛出最终结果
    return dayMoney + dayNum + '天共计:' + total + '元';
  }
  console.log(payMoney())
  console.log('.........')
  console.log(payMoney(1))       
4、编程绝句
  (1)我国清朝彭端淑曰:天下事有难易乎?为之,则难者亦易矣;不为,则易者亦难矣。
  (2)吾本史学科班出身,为生计和兴趣计,经多次转行,最终以“必为”之心做了程序员。
  (3)余自转行程序员以来,
    A、别妻、离子、抛清明、弃五一、丧端午、失中秋、沦国庆、陷元旦、缺周六、损周日。
    B、天明起床、半夜入睡,四季更替,周而复始,专心致志于公司、心无旁骛于陋室。希冀以勤补拙,技上层楼。
  (4)编程艰途如攻山,拼上老命向上攀;满身创伤终登顶,无边群峰在眼前。
  (5)目视夕阳缓缓落,心盼技术速速升。周遭高楼依次亮,谁知我在中关村?
  (6)十年之前论古今,誓改人间换乾坤。如今只为生计计,犹落风尘做编程。
  (7)当年悟空五行山,腾云驾雾难施展。而今吾身无负重,苦无神技助冲天。
  (8)编程艰途如攻山,拼上性命向上攀。满身创伤终至顶,还有更高在眼前。
5、在线网址
  (1)编程相关
    A、在线编程工具,https://www.toolhelper.cn/
    B、在线ts运行,https://www.json.cn/run/typescript/
    C、在线图片转
      a、svg,https://www.bejson.com/convert/image_to_svg/
      b、base64,https://www.bejson.com/ui/image2base64/
    D、在线代码对比,https://www.bejson.com/others/comparecode/
    E、在线JSON格式校验,https://www.bejson.com/
    F、在线颜色代码转换,https://www.toolhelper.cn/Color/RGBToHex
    G、在线bootcdn,https://www.bootcdn.cn/
    H、在线MDN,https://developer.mozilla.org/zh-CN/
  (2)编程无关
    A、在线去空格,https://delspace.57cha.com/
    B、在线去空行,https://tool.ip138.com/txtdelspace/
    C、链接转成二维码(草料),https://cli.im/url/
    D、在线网页转图片,https://www.url2pic.com/url2pic/index.html
    E、在线文字生成图片,https://remeins.com/index/app/text2img
    F、在线代码生成图片,https://www.dute.org/code-snapshot
    G、在线字体识别
      a、https://font.chinaz.com/zhaozi/?123
      b、https://so.17font.com/
    H、在线文件转换(文档、视频),https://convertio.co/zh/download/
    I、历史天气,https://tianqi.2345.com/wea_history/54511.htm
6、AI
  (1)国外AI
    A、codeium,https://codeium.com/playground
    B、codegeex,https://codegeex.cn/zh-CN/playground
    C、chatGPT,http://chat.178le.net/index
      a、2022年11月30日,美国OpenAI发布的聊天机器人程序
      b、全名:Chat Generative Pre-trained Transformer
      c、汉译:人工智能技术驱动的自然语言处理工具
      d、直译:聊天生成的、经过训练的、改革者
      e、Copilot Hub:基于ChatGPT创建个人的知识库AI,app.copilothub.co
  (2)国内AI
    A、豆包,https://www.doubao.com/chat
      a、2023年8月,字节跳动的人工智能机器人“豆包”开始测试
      b、2024年5月,App总下载量已达1亿次,价格相比同行便宜99.3%
      c、2024年8月,上线音乐生成功能
      d、支持网页Web平台,iOS平台,安卓平台
      e、功能:聊天机器人、写作助手、学习助手、回答各种问题
    B、文心一言,https://yiyan.baidu.com/
    C、智谱清言,https://chatglm.cn/main/alltoolsdetail
    D、Kimi,https://kimi.moonshot.cn/
    E、通义千问,https://qianwen.aliyun.com/
    F、讯飞星火,https://xinghuo.xfyun.cn/desk
    G、腾讯元宝,https://yuanbao.tencent.com/chat/naQivTmsDa
    H、百小应,https://ying.baichuan-ai.com/chat
    I、deepseek,https://chat.deepseek.com/ 
  (3)大模型(deepseek,大模型是什么东西)
    附、大模型是指参数量可达数千亿的-基于人工神经网络的-机器深度学习模型
    A、定义,大模型是指参数量可达数千亿的-深度学习模型,通常基于Transformer架构,广泛应用于自然语言处理(NLP)、计算机视觉(CV)等领域
    B、参数量,大模型的参数量通常在数十亿到数千亿之间,例如GPT-3有1750亿参数
    C、架构,主要基于Transformer,依赖自注意力机制处理长距离依赖关系
    D、应用领域
      a、自然语言处理:如文本生成、翻译、问答等
      b、计算机视觉:如图像分类、目标检测等
      c、多模态任务:如结合文本和图像处理
    E、训练数据,需要海量数据,通常来自互联网,如网页、书籍等
    F、计算资源,训练和推理需要高性能计算设备,如GPU、TPU等
    G、代表性模型,
      a、GPT系列:如GPT-3,用于文本生成
      b、BERT:用于文本分类、问答等
      c、T5:适用于多种NLP任务
      d、Vision Transformers (ViT):用于图像分类
    H、挑战
      a、计算成本:训练和推理资源消耗大
      b、数据需求:需要大量高质量数据
      c、可解释性:模型复杂,难以解释其决策过程
    I、未来方向
      a、模型压缩:减少参数量和计算需求
      b、高效训练:提高训练效率
      c、多模态融合:处理多种类型数据的融合任务
    J、总结来说,大模型通过大量参数和数据,基于人工神经网络的机器学习模型
  (4)深度学习模型(deepseek,深度学习模型又是什么意思)
    A、定义,深度学习模型是一类基于人工神经网络的机器学习模型,能够从大量数据中自动学习特征并完成复杂任务
    B、基本概念
      a、人工神经网络:模仿生物神经网络,由多层神经元组成
      b、深度学习:使用多层神经网络进行学习,能够自动提取数据中的多层次特征
    C、主要组成部分
      a、输入层:接收原始数据
      b、隐藏层:进行特征提取和转换,层数越多,模型越深
      c、输出层:生成最终结果,如分类标签或回归值
    D、常见类型
      a、前馈神经网络(FNN):信息单向流动,适用于简单任务
      b、卷积神经网络(CNN):用于图像处理,通过卷积核提取特征
      c、循环神经网络(RNN):处理序列数据,如时间序列、文本
      d、Transformer:基于自注意力机制,适用于NLP任务
    E、训练过程
      a、前向传播:输入数据通过各层生成输出
      b、损失计算:比较输出与真实标签,计算误差
      c、反向传播:根据误差调整模型参数
      d、优化算法:如梯度下降,用于更新参数
    F、应用领域
      a、计算机视觉:图像分类、目标检测等
      b、自然语言处理:文本生成、翻译等
      c、语音识别:语音转文本
      d、推荐系统:个性化推荐
    G、优势
      a、自动特征提取:无需手动设计特征
      b、高精度:在大数据上表现优异
      c、广泛应用:适用于多种任务
    H、挑战
      a、数据需求:需要大量标注数据
      b、计算资源:训练和推理需要高性能硬件
      c、可解释性:模型复杂,难以解释决策过程
    I、未来方向
      a、模型压缩:减少参数量和计算需求
      b、自监督学习:减少对标注数据的依赖
      c、多模态学习:处理多种类型数据的融合任务
    J、总结来说,深度学习模型通过多层神经网络自动学习数据特征,广泛应用于多个领域,但也面临数据需求大、计算资源消耗高等挑战
 
7、微工具,https://www.wetools.com/
  (1)HTML代码格式化
    https://www.wetools.com/html-formatter
  (2)CSS代码格式化
    https://www.wetools.com/css-formatter
  (3)CSS三角形生成器
    https://www.wetools.com/css-arrow
  (4)JS在线运行工具
    https://www.wetools.com/js-run
  (5)JS代码格式化
    https://www.wetools.com/js-formatter
  (6)URL编码/解码
    https://www.wetools.com/url-encode
  (7)正则表达式测试
    https://www.wetools.com/regex
  (8)JSON格式化校验工具
    https://www.wetools.com/json
  (9)文章字数统计
    https://www.wetools.com/word-count
8、electron
  (1)electron是什么?
    A、用Web技术构建跨平台的桌面应用,electron = Chromium + Node.js + Native API。2016 年 5 月 Electron 发布了 v1.0.0 版本
    B、Chromium,为 Electron 提供了强大的UI能力,可以不考虑兼容性的情况下,利用强大的Web生态来开发界面
    C、Node.js,让 Electron 有了底层的操作能力,比如文件的读写,甚至是集成C++等等操作,并可以使用大量开源的 npm 包来完成开发需求
    D、Native API,Native API 让 Electron 有了跨平台和桌面端的原生能力,比如说它有统一的原生界面,窗口、托盘这些。
  (2)什么时候使用Electron?
    A、公司没有专门的桌面应用开发者,而需要前端兼顾来进行开发时,用Electron就是一个不错的选择。
    B、一个应用需要同时开发Web端和桌面端的时候,那使用Electron来进行开发就对了。
    C、开发一些效率工具,比如API类的工具。
  
  

  

posted @   WEB前端工程师_钱成  阅读(4386)  评论(0编辑  收藏  举报
(评论功能已被禁用)
相关博文:
阅读排行:
· DeepSeek 开源周回顾「GitHub 热点速览」
· 物流快递公司核心技术能力-地址解析分单基础技术分享
· .NET 10首个预览版发布:重大改进与新特性概览!
· AI与.NET技术实操系列(二):开始使用ML.NET
· 单线程的Redis速度为什么快?
点击右上角即可分享
微信分享提示