//日期转换格式方法
function date2str(_date,_format) {
var z = {M:_date.getMonth()+1,d:_date.getDate(),h:_date.getHours(),m:_date.getMinutes(),s:_date.getSeconds()};
_format = _format.replace(/(M+|d+|h+|m+|s+)/g,function(v) {return ((v.length>1?"0":"")+eval('z.'+v.slice(-1))).slice(-2)});
return _format.replace(/(_format+)/g,function(v) {return _date.getFullYear().toString().slice(-v.length)});
}
//金额格式化方法
function fmoney(s, n) {
n = n > 0 && n <= 20 ? n : 2;
s = parseFloat((s + "").replace(/[^\d\.-]/g, "")).toFixed(n) + "";
var l = s.split(".")[0].split("").reverse(), r = s.split(".")[1];
t = "";
for (i = 0; i < l.length; i++) {
t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? "," : "");
}
return t.split("").reverse().join("") + "." + r;
}
//正则表达式写法
amount.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");