http://blog.csdn.net/seven_cm/article/details/50019927
http://blog.csdn.net/kmyhy/article/details/48343069
http://www.cnblogs.com/wuhuacong/p/3613826.html
http://www.cnblogs.com/wuhuacong/p/3992230.html
http://www.cnblogs.com/wuhuacong/p/4448861.html
http://bbs.csdn.net/topics/350162273
