js中价格格式化

来源：互联网发布：java学了有什么用编辑：程序博客网时间：2024/06/02 19:31
//转换格式化###,###,##.00     function number_format(num){          num = parseFloat(num);         var SUM="";        var sumFol = num.toFixed(2);        var sumtotalStr = sumFol;        var sumEndStr = sumtotalStr.slice(sumtotalStr.indexOf("."));        var sumStr = sumtotalStr.slice(0,sumtotalStr.indexOf("."));        if(num.toString().length <= 3) return num;        if(sumStr.toString().length > 3){            var count=0;            if (sumStr.toString().length % 3 == 0) {                count = sumStr.toString().length/3;            }else{                count = (sumStr.toString().length-sumStr.toString().length%3)/3;            }            var text = "";            for(i=0;i<count;i++) {                if((count-i-1)*3+sumStr.toString().length%3!=0) {                    text=","+sumStr.slice((count-i-1)*3+sumStr.toString().length%3,(count-i-1)*3+sumStr.toString().length%3+3)+text;                }else {                    text=sumStr.slice((count-i-1)*3+sumStr.toString().length%3,(count-i-1)*3+sumStr.toString().length%3+3)+text;                }            }            SUM = sumStr.slice(0,sumStr.toString().length % 3)+text+sumEndStr;            return SUM;         }        return sumFol ;     }
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