function dateFormat(date, format){
date = new Date();
var map = {
"YY": date.getYear(),
"M": date.getMonth() + 1, //月份
"d": date.getDate(), //日
"h": date.getHours(), //小时
"m": date.getMinutes(), //分
"s": date.getSeconds(), //秒
"q": Math.floor((date.getMonth() + 3) / 3), //季度
"S": date.getMilliseconds() //毫秒
};
format = format.replace(/([YMdhmsqS])+/g, function(all, t){
var v = map[t];
if (v !== undefined) {
if (all.length > 1) {
v = "0" + v;
v = v.substr(v.length - 2);
}
return v;
}
else if (t === "Y") {
return (date.getFullYear() + "").substr(4 - all.length);
}
return all;
});
return format;
}
var nowdate = dateFormat(Date(),‘YYYY-MM-dd‘);
alert(nowdate);