将金额数字转换为大写汉字的js函数

Posted 2020-09-25 秋水_cnblogs

 1 //将金额数字转换为大写汉字的函数
 2 function convertCurrency(money) {
 3     //汉字的数字
 4     var cnNums = new Array(‘零‘, ‘壹‘, ‘贰‘, ‘叁‘, ‘肆‘, ‘伍‘, ‘陆‘, ‘柒‘, ‘捌‘, ‘玖‘);
 5     //基本单位
 6     var cnIntRadice = new Array(‘‘, ‘拾‘, ‘佰‘, ‘仟‘);
 7     //对应整数部分扩展单位
 8     var cnIntUnits = new Array(‘‘, ‘万‘, ‘亿‘, ‘兆‘);
 9     //对应小数部分单位
10     var cnDecUnits = new Array(‘角‘, ‘分‘, ‘毫‘, ‘厘‘);
11     //整数金额时后面跟的字符
12     var cnInteger = ‘整‘;
13     //整型完以后的单位
14     var cnIntLast = ‘元‘;
15     //最大处理的数字
16     var maxNum = 999999999999999.9999;
17     //金额整数部分
18     var integerNum;
19     //金额小数部分
20     var decimalNum;
21     //输出的中文金额字符串
22     var chineseStr = ‘‘;
23     //分离金额后用的数组，预定义
24     var parts;
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     }
43     else {
44         parts = money.split(‘.‘);
45         integerNum = parts[0];
46         decimalNum = parts[1].substr(0, 4);
47     }
48     //获取整型部分转换
49     if (parseInt(integerNum, 10) > 0) {
50         var zeroCount = 0;
51         var IntLen = integerNum.length;
52         for (var i = 0; i < IntLen; i++) {
53             var n = integerNum.substr(i, 1);
54             var p = IntLen - i - 1;
55             var q = p / 4;
56             var m = p % 4;
57             if (n == ‘0‘) {
58                 zeroCount++;
59             }
60             else {
61                 if (zeroCount > 0) {
62                     chineseStr += cnNums[0];
63                 }
64                 //归零
65                 zeroCount = 0;
66                 chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
67             }
68             if (m == 0 && zeroCount < 4) {
69                 chineseStr += cnIntUnits[q];
70             }
71         }
72         chineseStr += cnIntLast;
73     }
74     //小数部分
75     if (decimalNum != ‘‘) {
76         var decLen = decimalNum.length;
77         for (var i = 0; i < decLen; i++) {
78             var n = decimalNum.substr(i, 1);
79             if (n != ‘0‘) {
80                 chineseStr += cnNums[Number(n)] + cnDecUnits[i];
81             }
82         }
83     }
84     if (chineseStr == ‘‘) {
85         chineseStr += cnNums[0] + cnIntLast + cnInteger;
86     }
87     else if (decimalNum == ‘‘) {
88         chineseStr += cnInteger;
89     }
90     return chineseStr;
91 }