js 生成二维码

1:引入js文件(二维码生成的一个插件)

@*二维码生成器*@
<script src="~/BigScreen/js/qrcodes.min.js"></script>

2:html

 <div class="hgz-QRcode">
   <div id="qrcode" style="    padding-right: 10px;padding-top: 14px;"></div>
 </div>
View Code

3:js

window.onload = function () {
   //二维码生成start
        var urlcode = document.location.href;
         //本地运行出来,需要替换ip才能扫出来
        var targetStr = "localhost";
        var index = urlcode.indexOf(targetStr);
        if (index!=-1) {
            urlcode = urlcode.replace("localhost", "192.168......");
        }
       
        console.log(urlcode); var qrcode = new QRCode(document.getElementById("qrcode"), {
            text: urlcode,
            width: 100,
            height: 100,
            colorDark: "#000000",
            colorLight: "#ffffff",
            correctLevel: QRCode.CorrectLevel.H
        });

        //二维码生成end
}    
View Code

 上面引入的插件具体内容如下,也可去别的地方下载

var QRCode; !function () { function a(a) { this.mode = c.MODE_8BIT_BYTE, this.data = a, this.parsedData = []; for (var b = [], d = 0, e = this.data.length; e > d; d++) { var f = this.data.charCodeAt(d); f > 65536 ? (b[0] = 240 | (1835008 & f) >>> 18, b[1] = 128 | (258048 & f) >>> 12, b[2] = 128 | (4032 & f) >>> 6, b[3] = 128 | 63 & f) : f > 2048 ? (b[0] = 224 | (61440 & f) >>> 12, b[1] = 128 | (4032 & f) >>> 6, b[2] = 128 | 63 & f) : f > 128 ? (b[0] = 192 | (1984 & f) >>> 6, b[1] = 128 | 63 & f) : b[0] = f, this.parsedData = this.parsedData.concat(b) } this.parsedData.length != this.data.length && (this.parsedData.unshift(191), this.parsedData.unshift(187), this.parsedData.unshift(239)) } function b(a, b) { this.typeNumber = a, this.errorCorrectLevel = b, this.modules = null, this.moduleCount = 0, this.dataCache = null, this.dataList = [] } function i(a, b) { if (void 0 == a.length) throw new Error(a.length + "/" + b); for (var c = 0; c < a.length && 0 == a[c];) c++; this.num = new Array(a.length - c + b); for (var d = 0; d < a.length - c; d++) this.num[d] = a[d + c] } function j(a, b) { this.totalCount = a, this.dataCount = b } function k() { this.buffer = [], this.length = 0 } function m() { return "undefined" != typeof CanvasRenderingContext2D } function n() { var a = !1, b = navigator.userAgent; return /android/i.test(b) && (a = !0, aMat = b.toString().match(/android ([0-9]\.[0-9])/i), aMat && aMat[1] && (a = parseFloat(aMat[1]))), a } function r(a, b) { for (var c = 1, e = s(a), f = 0, g = l.length; g >= f; f++) { var h = 0; switch (b) { case d.L: h = l[f][0]; break; case d.M: h = l[f][1]; break; case d.Q: h = l[f][2]; break; case d.H: h = l[f][3] } if (h >= e) break; c++ } if (c > l.length) throw new Error("Too long data"); return c } function s(a) { var b = encodeURI(a).toString().replace(/\%[0-9a-fA-F]{2}/g, "a"); return b.length + (b.length != a ? 3 : 0) } a.prototype = { getLength: function () { return this.parsedData.length }, write: function (a) { for (var b = 0, c = this.parsedData.length; c > b; b++) a.put(this.parsedData[b], 8) } }, b.prototype = { addData: function (b) { var c = new a(b); this.dataList.push(c), this.dataCache = null }, isDark: function (a, b) { if (0 > a || this.moduleCount <= a || 0 > b || this.moduleCount <= b) throw new Error(a + "," + b); return this.modules[a][b] }, getModuleCount: function () { return this.moduleCount }, make: function () { this.makeImpl(!1, this.getBestMaskPattern()) }, makeImpl: function (a, c) { this.moduleCount = 4 * this.typeNumber + 17, this.modules = new Array(this.moduleCount); for (var d = 0; d < this.moduleCount; d++) { this.modules[d] = new Array(this.moduleCount); for (var e = 0; e < this.moduleCount; e++) this.modules[d][e] = null } this.setupPositionProbePattern(0, 0), this.setupPositionProbePattern(this.moduleCount - 7, 0), this.setupPositionProbePattern(0, this.moduleCount - 7), this.setupPositionAdjustPattern(), this.setupTimingPattern(), this.setupTypeInfo(a, c), this.typeNumber >= 7 && this.setupTypeNumber(a), null == this.dataCache && (this.dataCache = b.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)), this.mapData(this.dataCache, c) }, setupPositionProbePattern: function (a, b) { for (var c = -1; 7 >= c; c++) if (!(-1 >= a + c || this.moduleCount <= a + c)) for (var d = -1; 7 >= d; d++) -1 >= b + d || this.moduleCount <= b + d || (this.modules[a + c][b + d] = c >= 0 && 6 >= c && (0 == d || 6 == d) || d >= 0 && 6 >= d && (0 == c || 6 == c) || c >= 2 && 4 >= c && d >= 2 && 4 >= d ? !0 : !1) }, getBestMaskPattern: function () { for (var a = 0, b = 0, c = 0; 8 > c; c++) { this.makeImpl(!0, c); var d = f.getLostPoint(this); (0 == c || a > d) && (a = d, b = c) } return b }, createMovieClip: function (a, b, c) { var d = a.createEmptyMovieClip(b, c), e = 1; this.make(); for (var f = 0; f < this.modules.length; f++) for (var g = f * e, h = 0; h < this.modules[f].length; h++) { var i = h * e, j = this.modules[f][h]; j && (d.beginFill(0, 100), d.moveTo(i, g), d.lineTo(i + e, g), d.lineTo(i + e, g + e), d.lineTo(i, g + e), d.endFill()) } return d }, setupTimingPattern: function () { for (var a = 8; a < this.moduleCount - 8; a++) null == this.modules[a][6] && (this.modules[a][6] = 0 == a % 2); for (var b = 8; b < this.moduleCount - 8; b++) null == this.modules[6][b] && (this.modules[6][b] = 0 == b % 2) }, setupPositionAdjustPattern: function () { for (var a = f.getPatternPosition(this.typeNumber), b = 0; b < a.length; b++) for (var c = 0; c < a.length; c++) { var d = a[b], e = a[c]; if (null == this.modules[d][e]) for (var g = -2; 2 >= g; g++) for (var h = -2; 2 >= h; h++) this.modules[d + g][e + h] = -2 == g || 2 == g || -2 == h || 2 == h || 0 == g && 0 == h ? !0 : !1 } }, setupTypeNumber: function (a) { for (var b = f.getBCHTypeNumber(this.typeNumber), c = 0; 18 > c; c++) { var d = !a && 1 == (1 & b >> c); this.modules[Math.floor(c / 3)][c % 3 + this.moduleCount - 8 - 3] = d } for (var c = 0; 18 > c; c++) { var d = !a && 1 == (1 & b >> c); this.modules[c % 3 + this.moduleCount - 8 - 3][Math.floor(c / 3)] = d } }, setupTypeInfo: function (a, b) { for (var c = this.errorCorrectLevel << 3 | b, d = f.getBCHTypeInfo(c), e = 0; 15 > e; e++) { var g = !a && 1 == (1 & d >> e); 6 > e ? this.modules[e][8] = g : 8 > e ? this.modules[e + 1][8] = g : this.modules[this.moduleCount - 15 + e][8] = g } for (var e = 0; 15 > e; e++) { var g = !a && 1 == (1 & d >> e); 8 > e ? this.modules[8][this.moduleCount - e - 1] = g : 9 > e ? this.modules[8][15 - e - 1 + 1] = g : this.modules[8][15 - e - 1] = g } this.modules[this.moduleCount - 8][8] = !a }, mapData: function (a, b) { for (var c = -1, d = this.moduleCount - 1, e = 7, g = 0, h = this.moduleCount - 1; h > 0; h -= 2) for (6 == h && h--; ;) { for (var i = 0; 2 > i; i++) if (null == this.modules[d][h - i]) { var j = !1; g < a.length && (j = 1 == (1 & a[g] >>> e)); var k = f.getMask(b, d, h - i); k && (j = !j), this.modules[d][h - i] = j, e--, -1 == e && (g++, e = 7) } if (d += c, 0 > d || this.moduleCount <= d) { d -= c, c = -c; break } } } }, b.PAD0 = 236, b.PAD1 = 17, b.createData = function (a, c, d) { for (var e = j.getRSBlocks(a, c), g = new k, h = 0; h < d.length; h++) { var i = d[h]; g.put(i.mode, 4), g.put(i.getLength(), f.getLengthInBits(i.mode, a)), i.write(g) } for (var l = 0, h = 0; h < e.length; h++) l += e[h].dataCount; if (g.getLengthInBits() > 8 * l) throw new Error("code length overflow. (" + g.getLengthInBits() + ">" + 8 * l + ")"); for (g.getLengthInBits() + 4 <= 8 * l && g.put(0, 4) ; 0 != g.getLengthInBits() % 8;) g.putBit(!1); for (; ;) { if (g.getLengthInBits() >= 8 * l) break; if (g.put(b.PAD0, 8), g.getLengthInBits() >= 8 * l) break; g.put(b.PAD1, 8) } return b.createBytes(g, e) }, b.createBytes = function (a, b) { for (var c = 0, d = 0, e = 0, g = new Array(b.length), h = new Array(b.length), j = 0; j < b.length; j++) { var k = b[j].dataCount, l = b[j].totalCount - k; d = Math.max(d, k), e = Math.max(e, l), g[j] = new Array(k); for (var m = 0; m < g[j].length; m++) g[j][m] = 255 & a.buffer[m + c]; c += k; var n = f.getErrorCorrectPolynomial(l), o = new i(g[j], n.getLength() - 1), p = o.mod(n); h[j] = new Array(n.getLength() - 1); for (var m = 0; m < h[j].length; m++) { var q = m + p.getLength() - h[j].length; h[j][m] = q >= 0 ? p.get(q) : 0 } } for (var r = 0, m = 0; m < b.length; m++) r += b[m].totalCount; for (var s = new Array(r), t = 0, m = 0; d > m; m++) for (var j = 0; j < b.length; j++) m < g[j].length && (s[t++] = g[j][m]); for (var m = 0; e > m; m++) for (var j = 0; j < b.length; j++) m < h[j].length && (s[t++] = h[j][m]); return s }; for (var c = { MODE_NUMBER: 1, MODE_ALPHA_NUM: 2, MODE_8BIT_BYTE: 4, MODE_KANJI: 8 }, d = { L: 1, M: 0, Q: 3, H: 2 }, e = { PATTERN000: 0, PATTERN001: 1, PATTERN010: 2, PATTERN011: 3, PATTERN100: 4, PATTERN101: 5, PATTERN110: 6, PATTERN111: 7 }, f = { PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]], G15: 1335, G18: 7973, G15_MASK: 21522, getBCHTypeInfo: function (a) { for (var b = a << 10; f.getBCHDigit(b) - f.getBCHDigit(f.G15) >= 0;) b ^= f.G15 << f.getBCHDigit(b) - f.getBCHDigit(f.G15); return (a << 10 | b) ^ f.G15_MASK }, getBCHTypeNumber: function (a) { for (var b = a << 12; f.getBCHDigit(b) - f.getBCHDigit(f.G18) >= 0;) b ^= f.G18 << f.getBCHDigit(b) - f.getBCHDigit(f.G18); return a << 12 | b }, getBCHDigit: function (a) { for (var b = 0; 0 != a;) b++, a >>>= 1; return b }, getPatternPosition: function (a) { return f.PATTERN_POSITION_TABLE[a - 1] }, getMask: function (a, b, c) { switch (a) { case e.PATTERN000: return 0 == (b + c) % 2; case e.PATTERN001: return 0 == b % 2; case e.PATTERN010: return 0 == c % 3; case e.PATTERN011: return 0 == (b + c) % 3; case e.PATTERN100: return 0 == (Math.floor(b / 2) + Math.floor(c / 3)) % 2; case e.PATTERN101: return 0 == b * c % 2 + b * c % 3; case e.PATTERN110: return 0 == (b * c % 2 + b * c % 3) % 2; case e.PATTERN111: return 0 == (b * c % 3 + (b + c) % 2) % 2; default: throw new Error("bad maskPattern:" + a) } }, getErrorCorrectPolynomial: function (a) { for (var b = new i([1], 0), c = 0; a > c; c++) b = b.multiply(new i([1, g.gexp(c)], 0)); return b }, getLengthInBits: function (a, b) { if (b >= 1 && 10 > b) switch (a) { case c.MODE_NUMBER: return 10; case c.MODE_ALPHA_NUM: return 9; case c.MODE_8BIT_BYTE: return 8; case c.MODE_KANJI: return 8; default: throw new Error("mode:" + a) } else if (27 > b) switch (a) { case c.MODE_NUMBER: return 12; case c.MODE_ALPHA_NUM: return 11; case c.MODE_8BIT_BYTE: return 16; case c.MODE_KANJI: return 10; default: throw new Error("mode:" + a) } else { if (!(41 > b)) throw new Error("type:" + b); switch (a) { case c.MODE_NUMBER: return 14; case c.MODE_ALPHA_NUM: return 13; case c.MODE_8BIT_BYTE: return 16; case c.MODE_KANJI: return 12; default: throw new Error("mode:" + a) } } }, getLostPoint: function (a) { for (var b = a.getModuleCount(), c = 0, d = 0; b > d; d++) for (var e = 0; b > e; e++) { for (var f = 0, g = a.isDark(d, e), h = -1; 1 >= h; h++) if (!(0 > d + h || d + h >= b)) for (var i = -1; 1 >= i; i++) 0 > e + i || e + i >= b || (0 != h || 0 != i) && g == a.isDark(d + h, e + i) && f++; f > 5 && (c += 3 + f - 5) } for (var d = 0; b - 1 > d; d++) for (var e = 0; b - 1 > e; e++) { var j = 0; a.isDark(d, e) && j++, a.isDark(d + 1, e) && j++, a.isDark(d, e + 1) && j++, a.isDark(d + 1, e + 1) && j++, (0 == j || 4 == j) && (c += 3) } for (var d = 0; b > d; d++) for (var e = 0; b - 6 > e; e++) a.isDark(d, e) && !a.isDark(d, e + 1) && a.isDark(d, e + 2) && a.isDark(d, e + 3) && a.isDark(d, e + 4) && !a.isDark(d, e + 5) && a.isDark(d, e + 6) && (c += 40); for (var e = 0; b > e; e++) for (var d = 0; b - 6 > d; d++) a.isDark(d, e) && !a.isDark(d + 1, e) && a.isDark(d + 2, e) && a.isDark(d + 3, e) && a.isDark(d + 4, e) && !a.isDark(d + 5, e) && a.isDark(d + 6, e) && (c += 40); for (var k = 0, e = 0; b > e; e++) for (var d = 0; b > d; d++) a.isDark(d, e) && k++; var l = Math.abs(100 * k / b / b - 50) / 5; return c += 10 * l } }, g = { glog: function (a) { if (1 > a) throw new Error("glog(" + a + ")"); return g.LOG_TABLE[a] }, gexp: function (a) { for (; 0 > a;) a += 255; for (; a >= 256;) a -= 255; return g.EXP_TABLE[a] }, EXP_TABLE: new Array(256), LOG_TABLE: new Array(256) }, h = 0; 8 > h; h++) g.EXP_TABLE[h] = 1 << h; for (var h = 8; 256 > h; h++) g.EXP_TABLE[h] = g.EXP_TABLE[h - 4] ^ g.EXP_TABLE[h - 5] ^ g.EXP_TABLE[h - 6] ^ g.EXP_TABLE[h - 8]; for (var h = 0; 255 > h; h++) g.LOG_TABLE[g.EXP_TABLE[h]] = h; i.prototype = { get: function (a) { return this.num[a] }, getLength: function () { return this.num.length }, multiply: function (a) { for (var b = new Array(this.getLength() + a.getLength() - 1), c = 0; c < this.getLength() ; c++) for (var d = 0; d < a.getLength() ; d++) b[c + d] ^= g.gexp(g.glog(this.get(c)) + g.glog(a.get(d))); return new i(b, 0) }, mod: function (a) { if (this.getLength() - a.getLength() < 0) return this; for (var b = g.glog(this.get(0)) - g.glog(a.get(0)), c = new Array(this.getLength()), d = 0; d < this.getLength() ; d++) c[d] = this.get(d); for (var d = 0; d < a.getLength() ; d++) c[d] ^= g.gexp(g.glog(a.get(d)) + b); return new i(c, 0).mod(a) } }, j.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]], j.getRSBlocks = function (a, b) { var c = j.getRsBlockTable(a, b); if (void 0 == c) throw new Error("bad rs block @ typeNumber:" + a + "/errorCorrectLevel:" + b); for (var d = c.length / 3, e = [], f = 0; d > f; f++) for (var g = c[3 * f + 0], h = c[3 * f + 1], i = c[3 * f + 2], k = 0; g > k; k++) e.push(new j(h, i)); return e }, j.getRsBlockTable = function (a, b) { switch (b) { case d.L: return j.RS_BLOCK_TABLE[4 * (a - 1) + 0]; case d.M: return j.RS_BLOCK_TABLE[4 * (a - 1) + 1]; case d.Q: return j.RS_BLOCK_TABLE[4 * (a - 1) + 2]; case d.H: return j.RS_BLOCK_TABLE[4 * (a - 1) + 3]; default: return void 0 } }, k.prototype = { get: function (a) { var b = Math.floor(a / 8); return 1 == (1 & this.buffer[b] >>> 7 - a % 8) }, put: function (a, b) { for (var c = 0; b > c; c++) this.putBit(1 == (1 & a >>> b - c - 1)) }, getLengthInBits: function () { return this.length }, putBit: function (a) { var b = Math.floor(this.length / 8); this.buffer.length <= b && this.buffer.push(0), a && (this.buffer[b] |= 128 >>> this.length % 8), this.length++ } }; var l = [[17, 14, 11, 7], [32, 26, 20, 14], [53, 42, 32, 24], [78, 62, 46, 34], [106, 84, 60, 44], [134, 106, 74, 58], [154, 122, 86, 64], [192, 152, 108, 84], [230, 180, 130, 98], [271, 213, 151, 119], [321, 251, 177, 137], [367, 287, 203, 155], [425, 331, 241, 177], [458, 362, 258, 194], [520, 412, 292, 220], [586, 450, 322, 250], [644, 504, 364, 280], [718, 560, 394, 310], [792, 624, 442, 338], [858, 666, 482, 382], [929, 711, 509, 403], [1003, 779, 565, 439], [1091, 857, 611, 461], [1171, 911, 661, 511], [1273, 997, 715, 535], [1367, 1059, 751, 593], [1465, 1125, 805, 625], [1528, 1190, 868, 658], [1628, 1264, 908, 698], [1732, 1370, 982, 742], [1840, 1452, 1030, 790], [1952, 1538, 1112, 842], [2068, 1628, 1168, 898], [2188, 1722, 1228, 958], [2303, 1809, 1283, 983], [2431, 1911, 1351, 1051], [2563, 1989, 1423, 1093], [2699, 2099, 1499, 1139], [2809, 2213, 1579, 1219], [2953, 2331, 1663, 1273]], o = function () { var a = function (a, b) { this._el = a, this._htOption = b }; return a.prototype.draw = function (a) { function g(a, b) { var c = document.createElementNS("http://www.w3.org/2000/svg", a); for (var d in b) b.hasOwnProperty(d) && c.setAttribute(d, b[d]); return c } var b = this._htOption, c = this._el, d = a.getModuleCount(); Math.floor(b.width / d), Math.floor(b.height / d), this.clear(); var h = g("svg", { viewBox: "0 0 " + String(d) + " " + String(d), width: "100%", height: "100%", fill: b.colorLight }); h.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink"), c.appendChild(h), h.appendChild(g("rect", { fill: b.colorDark, width: "1", height: "1", id: "template" })); for (var i = 0; d > i; i++) for (var j = 0; d > j; j++) if (a.isDark(i, j)) { var k = g("use", { x: String(i), y: String(j) }); k.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template"), h.appendChild(k) } }, a.prototype.clear = function () { for (; this._el.hasChildNodes() ;) this._el.removeChild(this._el.lastChild) }, a }(), p = "svg" === document.documentElement.tagName.toLowerCase(), q = p ? o : m() ? function () { function a() { this._elImage.src = this._elCanvas.toDataURL("image/png"), this._elImage.style.display = "block", this._elCanvas.style.display = "none" } function d(a, b) { var c = this; if (c._fFail = b, c._fSuccess = a, null === c._bSupportDataURI) { var d = document.createElement("img"), e = function () { c._bSupportDataURI = !1, c._fFail && _fFail.call(c) }, f = function () { c._bSupportDataURI = !0, c._fSuccess && c._fSuccess.call(c) }; return d.onabort = e, d.onerror = e, d.onload = f, d.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==", void 0 } c._bSupportDataURI === !0 && c._fSuccess ? c._fSuccess.call(c) : c._bSupportDataURI === !1 && c._fFail && c._fFail.call(c) } if (this._android && this._android <= 2.1) { var b = 1 / window.devicePixelRatio, c = CanvasRenderingContext2D.prototype.drawImage; CanvasRenderingContext2D.prototype.drawImage = function (a, d, e, f, g, h, i, j) { if ("nodeName" in a && /img/i.test(a.nodeName)) for (var l = arguments.length - 1; l >= 1; l--) arguments[l] = arguments[l] * b; else "undefined" == typeof j && (arguments[1] *= b, arguments[2] *= b, arguments[3] *= b, arguments[4] *= b); c.apply(this, arguments) } } var e = function (a, b) { this._bIsPainted = !1, this._android = n(), this._htOption = b, this._elCanvas = document.createElement("canvas"), this._elCanvas.width = b.width, this._elCanvas.height = b.height, a.appendChild(this._elCanvas), this._el = a, this._oContext = this._elCanvas.getContext("2d"), this._bIsPainted = !1, this._elImage = document.createElement("img"), this._elImage.style.display = "none", this._el.appendChild(this._elImage), this._bSupportDataURI = null }; return e.prototype.draw = function (a) { var b = this._elImage, c = this._oContext, d = this._htOption, e = a.getModuleCount(), f = d.width / e, g = d.height / e, h = Math.round(f), i = Math.round(g); b.style.display = "none", this.clear(); for (var j = 0; e > j; j++) for (var k = 0; e > k; k++) { var l = a.isDark(j, k), m = k * f, n = j * g; c.strokeStyle = l ? d.colorDark : d.colorLight, c.lineWidth = 1, c.fillStyle = l ? d.colorDark : d.colorLight, c.fillRect(m, n, f, g), c.strokeRect(Math.floor(m) + .5, Math.floor(n) + .5, h, i), c.strokeRect(Math.ceil(m) - .5, Math.ceil(n) - .5, h, i) } this._bIsPainted = !0 }, e.prototype.makeImage = function () { this._bIsPainted && d.call(this, a) }, e.prototype.isPainted = function () { return this._bIsPainted }, e.prototype.clear = function () { this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height), this._bIsPainted = !1 }, e.prototype.round = function (a) { return a ? Math.floor(1e3 * a) / 1e3 : a }, e }() : function () { var a = function (a, b) { this._el = a, this._htOption = b }; return a.prototype.draw = function (a) { for (var b = this._htOption, c = this._el, d = a.getModuleCount(), e = Math.floor(b.width / d), f = Math.floor(b.height / d), g = ['<table style="border:0;border-collapse:collapse;">'], h = 0; d > h; h++) { g.push("<tr>"); for (var i = 0; d > i; i++) g.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + e + "px;height:" + f + "px;"></td>'); g.push("</tr>") } g.push("</table>"), c.innerHTML = g.join(""); var j = c.childNodes[0], k = (b.width - j.offsetWidth) / 2, l = (b.height - j.offsetHeight) / 2; k > 0 && l > 0 && (j.style.margin = l + "px " + k + "px") }, a.prototype.clear = function () { this._el.innerHTML = "" }, a }(); QRCode = function (a, b) { if (this._htOption = { width: 256, height: 256, typeNumber: 4, colorDark: "#000000", colorLight: "#ffffff", correctLevel: d.H }, "string" == typeof b && (b = { text: b }), b) for (var c in b) this._htOption[c] = b[c]; "string" == typeof a && (a = document.getElementById(a)), this._android = n(), this._el = a, this._oQRCode = null, this._oDrawing = new q(this._el, this._htOption), this._htOption.text && this.makeCode(this._htOption.text) }, QRCode.prototype.makeCode = function (a) { this._oQRCode = new b(r(a, this._htOption.correctLevel), this._htOption.correctLevel), this._oQRCode.addData(a), this._oQRCode.make(), this._el.title = a, this._oDrawing.draw(this._oQRCode), this.makeImage() }, QRCode.prototype.makeImage = function () { "function" == typeof this._oDrawing.makeImage && (!this._android || this._android >= 3) && this._oDrawing.makeImage() }, QRCode.prototype.clear = function () { this._oDrawing.clear() }, QRCode.CorrectLevel = d }();
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posted @ 2024-01-02 13:47  3939!  阅读(51)  评论(0编辑  收藏  举报