/*货币格式化*/

function formatMoney(num) {

    num = num.toString().replace(/\$|\,/g,'');

    if(isNaN(num)) {

        num = "0";

    }else{

        sign = (num == (num = Math.abs(num)));  

        num = Math.floor(num*10+0.50000000001);  

        //cents = num%10;  

        num = Math.floor(num/10).toString();  

        for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++) {

            num = num.substring(0,num.length-(4*i+3))+','+  num.substring(num.length-(4*i+3));

        }

        return (((sign)?'':'-') + num);

    }

};