http://www.cnblogs.com/zhangweijia/archive/2013/02/04/2892054.html
http://www.cnblogs.com/gossip/archive/2011/04/16/2018548.html
http://www.cnblogs.com/selene/p/4483612.html
http://blog.csdn.net/dream_follower/article/details/52253964
http://www.cnblogs.com/chenxizhang/archive/2009/03/19/1416217.html
http://www.cnblogs.com/hoojo/archive/2011/07/19/2110862.html
http://bbs.csdn.net/topics/391067987?page=1
http://bbs.csdn.net/topics/390832374
http://blog.sina.com.cn/s/blog_7fff68b90101dcnp.html
http://www.cnblogs.com/lyhsblog/p/5992389.html
http://blog.csdn.net/xie_xiansheng/article/details/52925963
http://blog.csdn.net/drifterj/article/details/17720271
http://blog.csdn.net/gjldwz/article/details/17273461
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http://lthu.iteye.com/blog/147601
http://blog.csdn.net/baby97/article/details/18360719
http://blog.csdn.net/cl05300629/article/details/19325347
http://wenda.tianya.cn/question/271aa727301ed9bb