http://www.cnblogs.com/ZhouL3777/archive/2012/10/21/2732890.html

http://www.cnblogs.com/ZhouL3777/archive/2012/10/21/2732890.html

http://my.oschina.net/sad7girl/blog/73711

http://blog.csdn.net/zh516846937/article/details/40188065

http://www.metsky.com/archives/536.html

 

http://blog.csdn.net/a19860903/article/details/13016477

http://blog.csdn.net/bodybo/article/details/28238805

http://mxjloveyou.blog.163.com/blog/static/17625468920123160205815/