http://my.oschina.net/xinxingegeya/blog/394821
http://www.cnblogs.com/qiuyi21/archive/2008/03/04/1089456.html
https://segmentfault.com/a/1190000004017181
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse
https://segmentfault.com/a/1190000002640166