js格式化数字，金额按千位逗号分隔，负号用括号

时间：2023-03-09 16:52:58
js格式化数字，金额按千位逗号分隔，负号用括号 
 // 返回数字

 function removeFormatMoney(s) {

     s = s.toString().replace("(","-").replace(")","");

     return parseFloat(s.replace(/[^\d\.-]/g, ""));

 }

 /*

  * formatMoney(s,type)

  * 功能：金额按千位逗号分隔，负号用括号

  * 参数：s，需要格式化的金额数值.

  * 参数：type,判断格式化后的金额是否需要小数位.

  * 返回：返回格式化后的数值字符串.

  */

 function formatMoney(s, type) {

     var result = s;

     if (s < 0)

         s = 0 - s;

     if (/[^0-9\.]/.test(s))

         return "0.00";

     if (s == null || s == "null" || s == "")

         return "0.00";

     if (type > 0)

         s = new Number(s).toFixed(type);

     s = s.toString().replace(/^(\d*)$/, "$1.");

     s = (s + "00").replace(/(\d*\.\d\d)\d*/, "$1");

     s = s.replace(".", ",");

     var re = /(\d)(\d{3},)/;

     while (re.test(s))

         s = s.replace(re, "$1,$2");

     s = s.replace(/,(\d\d)$/, ".$1");

     if (type == 0) {

         var a = s.split(".");

         if (a[1] == "00") {

             s = a[0];

         }

     }

     if (result < 0)

         result = "(" + s + ")";

     else

         result = s;

     return result;

 }