http://www.mtons.com/content/1819.htm
http://www.tuicool.com/articles/F7BnaiY
https://segmentfault.com/a/1190000007784366
http://www.tuicool.com/articles/7zUruij
https://segmentfault.com/a/1190000008018314
moment组件
https://github.com/moment/moment/