http://blog.csdn.net/herecles/article/details/6061682
http://blog.csdn.net/herecles/article/details/6063283
http://blog.csdn.net/herecles/article/details/6063291
http://blog.csdn.net/herecles/article/details/6091752
http://blog.csdn.net/herecles/article/details/8284789
留个爪，以后自己写个笔记贴上来。
原文：http://www.cnblogs.com/findumars/p/4126925.html