数字显示千分位，将数字转换成千分位形式（用逗号隔开）

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<script>
    var weekValue=10000000;
    if(weekValue!=0){
        weekValue = addThousands(weekValue);
        console.log(weekValue);
    }
    function addThousands(number) {
        if(number==0){
            return number;
        }else if(number==0.0){
            return number;
        }
        var num = number + "";
        num = num.replace(new RegExp(",","g"),"");
        // 正负号处理
        var symble = "";
        if(/^([-+]).*$/.test(num)) {
            symble = num.replace(/^([-+]).*$/,"$1");
            num = num.replace(/^([-+])(.*)$/,"$2");
        }
        if(/^[0-9]+(\.[0-9]+)?$/.test(num)) {
            var num = num.replace(new RegExp("^[0]+","g"),"");
            if(/^\./.test(num)) {
                num = "0" + num;
            }
            var decimal = num.replace(/^[0-9]+(\.[0-9]+)?$/,"$1");
            var integer= num.replace(/^([0-9]+)(\.[0-9]+)?$/,"$1");
            var re=/(\d+)(\d{3})/;
            while(re.test(integer)){
                integer = integer.replace(re,"$1,$2");
            }
            return symble + integer + decimal;
        } else {
            return number;
        }
    }
</script>

数字显示千分位，将数字转换成千分位形式（用逗号隔开）

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原文地址：http://www.cnblogs.com/cx709452428/p/5790111.html