function dateFormat(dateString,format) {
if(!dateString)return "";
var time = new Date(dateString.replace(/-/g,'/').replace(/T|Z/g,' ').trim());
var o = {
"M+": time.getMonth() + 1, //月份
"d+": time.getDate(), //日
"h+": time.getHours(), //小时
"m+": time.getMinutes(), //分
"s+": time.getSeconds(), //秒
"q+": Math.floor((time.getMonth() + 3) / 3), //季度
"S": time.getMilliseconds() //毫秒
};
if (/(y+)/.test(format)) format = format.replace(RegExp.$1, (time.getFullYear() + "").substr(4 - RegExp.$1.length));
for (var k in o)
if (new RegExp("(" + k + ")").test(format)) format = format.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
return format;
}