JS Date格式化为yyyy-mm-dd类字符串

JS Date格式化为yyyy-mm-dd类字符串

<script language="JavaScript">

Date.prototype.format = function(format) //author: meizz

{

var o = {

"M+" : this.getMonth()+1, //month

"d+" : this.getDate(), //day

"h+" : this.getHours(), //hour

"m+" : this.getMinutes(), //minute

"s+" : this.getSeconds(), //second

"q+" : Math.floor((this.getMonth()+3)/3), //quarter

"S" : this.getMilliseconds() //millisecond

}

if(/(y+)/.test(format)) format=format.replace(RegExp.$1,

(this.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;

}

alert(new Date().format("yyyy-MM-dd"));

alert(new Date("january 12 2008 11:12:30").format("yyyy-MM-dd hh:mm:ss"));

</script>