1 /*
2 * 格式化日期
3 * 如：format = "yyyy-MM-dd hh:mm:ss";
4 */
5 Date.prototype.format = function (format) {
6 var o = {
7 "M+": this.getMonth() + 1,
8 "d+": this.getDate(),
9 "h+": this.getHours(),
10 "m+": this.getMinutes(),
11 "s+": this.getSeconds(),
12 "q+": Math.floor((this.getMonth() + 3) / 3),
13 "S+": this.getMilliseconds()
14 }
15
16 if (/(y+)/.test(format)) {
17 format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4
18 - RegExp.$1.length));
19 }
20
21 for (var k in o) {
22 if (new RegExp("(" + k + ")").test(format)) {
23 var formatStr = "";
24 for (var i = 1; i <= RegExp.$1.length; i++) {
25 formatStr += "0";
26 }
27
28 var replaceStr = "";
29 if (RegExp.$1.length == 1) {
30 replaceStr = o[k];
31 } else {
32 formatStr = formatStr + o[k];
33 var index = ("" + o[k]).length;
34 formatStr = formatStr.substr(index);
35 replaceStr = formatStr;
36 }
37 format = format.replace(RegExp.$1, replaceStr);
38 }
39 }
40 return format;
41 }
