javascript时间戳和日期字符串相互转换

 1 <html xmlns="http://www.w3.org/1999/xhtml">
 2 <head>
 3 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 4 <script type="text/javascript">
 5 // 获取当前时间戳(以s为单位)
 6 var timestamp = Date.parse(new Date());
 7 timestamp = timestamp / 1000;
 8 //当前时间戳为：1403149534
 9 console.log("当前时间戳为：" + timestamp);
10 
11 // 获取某个时间格式的时间戳
12 var stringTime = "2014-07-10 10:21:12";
13 var timestamp2 = Date.parse(new Date(stringTime));
14 timestamp2 = timestamp2 / 1000;
15 //2014-07-10 10:21:12的时间戳为：1404958872 
16 console.log(stringTime + "的时间戳为：" + timestamp2);
17 
18 // 将当前时间换成时间格式字符串
19 var timestamp3 = 1403058804;
20 var newDate = new Date();
21 newDate.setTime(timestamp3 * 1000);
22 // Wed Jun 18 2014 
23 console.log(newDate.toDateString());
24 // Wed, 18 Jun 2014 02:33:24 GMT 
25 console.log(newDate.toGMTString());
26 // 2014-06-18T02:33:24.000Z
27 console.log(newDate.toISOString());
28 // 2014-06-18T02:33:24.000Z 
29 console.log(newDate.toJSON());
30 // 2014年6月18日 
31 console.log(newDate.toLocaleDateString());
32 // 2014年6月18日 上午10:33:24 
33 console.log(newDate.toLocaleString());
34 // 上午10:33:24 
35 console.log(newDate.toLocaleTimeString());
36 // Wed Jun 18 2014 10:33:24 GMT+0800 (中国标准时间)
37 console.log(newDate.toString());
38 // 10:33:24 GMT+0800 (中国标准时间) 
39 console.log(newDate.toTimeString());
40 // Wed, 18 Jun 2014 02:33:24 GMT
41 console.log(newDate.toUTCString());
42 
43 Date.prototype.format = function(format) {
44        var date = {
45               "M+": this.getMonth() + 1,
46               "d+": this.getDate(),
47               "h+": this.getHours(),
48               "m+": this.getMinutes(),
49               "s+": this.getSeconds(),
50               "q+": Math.floor((this.getMonth() + 3) / 3),
51               "S+": this.getMilliseconds()
52        };
53        if (/(y+)/i.test(format)) {
54               format = format.replace(RegExp.$1, (this.getFullYear() + '').substr(4 - RegExp.$1.length));
55        }
56        for (var k in date) {
57               if (new RegExp("(" + k + ")").test(format)) {
58                      format = format.replace(RegExp.$1, RegExp.$1.length == 1
59                             ? date[k] : ("00" + date[k]).substr(("" + date[k]).length));
60               }
61        }
62        return format;
63 }
64 console.log(newDate.format('yyyy-MM-dd h:m:s'));
65 
66 </script>