日期格式化

//日期格式化

Date.prototype.format = function (format) {

/* 

* eg:format="yyyy-MM-dd hh:mm:ss"; 

*/

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;

};