将数字转换为大写金额

ゝ一世哀愁。 2023-02-23 12:16 94阅读 0赞 
  1. export const changeToChinese = (Num) => {
  2.     //判断如果传递进来的不是字符的话转换为字符
  3.     if (typeof Num == "number") {
  4.         Num = new String(Num);
  5.     };
  6.     Num = Num.replace(/,/g, "") //替换tomoney()中的“,”
  7.     Num = Num.replace(/ /g, "") //替换tomoney()中的空格
  8.     Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符
  9.     if (isNaN(Num)) { //验证输入的字符是否为数字
  10.         //alert("请检查小写金额是否正确");
  11.         return "";
  12.     };
  13.     //字符处理完毕后开始转换，采用前后两部分分别转换
  14.     var part = String(Num).split(".");
  15.     var newchar = "";
  16.     //小数点前进行转化
  17.     for (var i = part[0].length - 1; i >= 0; i--) {
  18.         if (part[0].length > 10) {
  19.             return "";
  20.             //若数量超过拾亿单位，提示
  21.         }
  22.         var tmpnewchar = ""
  23.         var perchar = part[0].charAt(i);
  24.         switch (perchar) {
  25.             case "0":
  26.                 tmpnewchar = "零" + tmpnewchar;
  27.                 break;
  28.             case "1":
  29.                 tmpnewchar = "壹" + tmpnewchar;
  30.                 break;
  31.             case "2":
  32.                 tmpnewchar = "贰" + tmpnewchar;
  33.                 break;
  34.             case "3":
  35.                 tmpnewchar = "叁" + tmpnewchar;
  36.                 break;
  37.             case "4":
  38.                 tmpnewchar = "肆" + tmpnewchar;
  39.                 break;
  40.             case "5":
  41.                 tmpnewchar = "伍" + tmpnewchar;
  42.                 break;
  43.             case "6":
  44.                 tmpnewchar = "陆" + tmpnewchar;
  45.                 break;
  46.             case "7":
  47.                 tmpnewchar = "柒" + tmpnewchar;
  48.                 break;
  49.             case "8":
  50.                 tmpnewchar = "捌" + tmpnewchar;
  51.                 break;
  52.             case "9":
  53.                 tmpnewchar = "玖" + tmpnewchar;
  54.                 break;
  55.         }
  56.         switch (part[0].length - i - 1) {
  57.             case 0:
  58.                 tmpnewchar = tmpnewchar + "元";
  59.                 break;
  60.             case 1:
  61.                 if (perchar != 0) tmpnewchar = tmpnewchar + "拾";
  62.                 break;
  63.             case 2:
  64.                 if (perchar != 0) tmpnewchar = tmpnewchar + "佰";
  65.                 break;
  66.             case 3:
  67.                 if (perchar != 0) tmpnewchar = tmpnewchar + "仟";
  68.                 break;
  69.             case 4:
  70.                 tmpnewchar = tmpnewchar + "万";
  71.                 break;
  72.             case 5:
  73.                 if (perchar != 0) tmpnewchar = tmpnewchar + "拾";
  74.                 break;
  75.             case 6:
  76.                 if (perchar != 0) tmpnewchar = tmpnewchar + "佰";
  77.                 break;
  78.             case 7:
  79.                 if (perchar != 0) tmpnewchar = tmpnewchar + "仟";
  80.                 break;
  81.             case 8:
  82.                 tmpnewchar = tmpnewchar + "亿";
  83.                 break;
  84.             case 9:
  85.                 tmpnewchar = tmpnewchar + "拾";
  86.                 break;
  87.         }
  88.         var newchar = tmpnewchar + newchar;
  89.     }
  90.     //小数点之后进行转化
  91.     if (Num.indexOf(".") != -1) {
  92.         if (part[1].length > 2) {
  93.             // alert("小数点之后只能保留两位,系统将自动截断");
  94.             part[1] = part[1].substr(0, 2)
  95.         }
  96.         for (i = 0; i < part[1].length; i++) {
  97.             tmpnewchar = ""
  98.             perchar = part[1].charAt(i)
  99.             switch (perchar) {
  100.                 case "0":
  101.                     tmpnewchar = "零" + tmpnewchar;
  102.                     break;
  103.                 case "1":
  104.                     tmpnewchar = "壹" + tmpnewchar;
  105.                     break;
  106.                 case "2":
  107.                     tmpnewchar = "贰" + tmpnewchar;
  108.                     break;
  109.                 case "3":
  110.                     tmpnewchar = "叁" + tmpnewchar;
  111.                     break;
  112.                 case "4":
  113.                     tmpnewchar = "肆" + tmpnewchar;
  114.                     break;
  115.                 case "5":
  116.                     tmpnewchar = "伍" + tmpnewchar;
  117.                     break;
  118.                 case "6":
  119.                     tmpnewchar = "陆" + tmpnewchar;
  120.                     break;
  121.                 case "7":
  122.                     tmpnewchar = "柒" + tmpnewchar;
  123.                     break;
  124.                 case "8":
  125.                     tmpnewchar = "捌" + tmpnewchar;
  126.                     break;
  127.                 case "9":
  128.                     tmpnewchar = "玖" + tmpnewchar;
  129.                     break;
  130.             }
  131.             if (i == 0) tmpnewchar = tmpnewchar + "角";
  132.             if (i == 1) tmpnewchar = tmpnewchar + "分";
  133.             newchar = newchar + tmpnewchar;
  134.         }
  135.     }
  136.     //替换所有无用汉字
  137.     while (newchar.search("零零") != -1)
  138.         newchar = newchar.replace("零零", "零");
  139.     newchar = newchar.replace("零亿", "亿");
  140.     newchar = newchar.replace("亿万", "亿");
  141.     newchar = newchar.replace("零万", "万");
  142.     newchar = newchar.replace("零元", "元");
  143.     newchar = newchar.replace("零角", "");
  144.     newchar = newchar.replace("零分", "");
  145.     if (newchar.charAt(newchar.length - 1) == "元") {
  146.         newchar = newchar + "整"
  147.     }
  148.     return newchar;
  149. }

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