1 export function convertCurrency(money) {
2 //汉字的数字
3 let cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
4 //基本单位
5 let cnIntRadice = new Array('', '拾', '佰', '仟');
6 //对应整数部分扩展单位
7 let cnIntUnits = new Array('', '万', '亿', '兆');
8 //对应小数部分单位
9 let cnDecUnits = new Array('角', '分', '毫', '厘');
10 //整数金额时后面跟的字符
11 let cnInteger = '整';
12 //整型完以后的单位
13 let cnIntLast = '元';
14 //最大处理的数字
15 let maxNum = 999999999999999.9999;
16 //金额整数部分
17 let integerNum;
18 //金额小数部分
19 let decimalNum;
20 //输出的中文金额字符串
21 let chineseStr = '';
22 //分离金额后用的数组，预定义
23 let parts;
24
25 if (money == '') {
26 return '';
27 }
28 money = parseFloat(money);
29 if (money >= maxNum) {
30 //超出最大处理数字
31 return '';
32 }
33 if (money == 0) {
34 chineseStr = cnNums[0] + cnIntLast + cnInteger;
35 return chineseStr;
36 }
37 //转换为字符串
38 money = money.toString();
39 if (money.indexOf('.') == -1) {
40 integerNum = money;
41 decimalNum = '';
42 } else {
43 parts = money.split('.');
44 integerNum = parts[0];
45 decimalNum = parts[1].substr(0, 4);
46 }
47 //获取整型部分转换
48 if (parseInt(integerNum, 10) > 0) {
49 var zeroCount = 0;
50 var IntLen = integerNum.length;
51 for (var i = 0; i < IntLen; i++) {
52 var n = integerNum.substr(i, 1);
53 var p = IntLen - i - 1;
54 var q = p / 4;
55 var m = p % 4;
56 if (n == '0') {
57 zeroCount++;
58 } else {
59 if (zeroCount > 0) {
60 chineseStr += cnNums[0];
61 }
62 //归零
63 zeroCount = 0;
64 chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
65 }
66 if (m == 0 && zeroCount < 4) {
67 chineseStr += cnIntUnits[q];
68 }
69 }
70 chineseStr += cnIntLast;
71 }
72 //小数部分
73 if (decimalNum != '') {
74 var decLen = decimalNum.length;
75 for (var i = 0; i < decLen; i++) {
76 var n = decimalNum.substr(i, 1);
77 if (n != '0') {
78 chineseStr += cnNums[Number(n)] + cnDecUnits[i];
79 }
80 }
81 }
82 if (chineseStr == '') {
83 chineseStr += cnNums[0] + cnIntLast + cnInteger;
84 } else if (decimalNum == '') {
85 chineseStr += cnInteger;
86 }
87 return chineseStr;
88 }
