临时dd

 http://topic.youkuaiyun.com/u/20110826/09/601ebe9c-c2ae-4d63-a4e2-506c618bb654.html?70147

 http://blog.youkuaiyun.com/mengxiangyue/article/details/6930284

http://blog.youkuaiyun.com/piggyxp/article/details/6922277

http://topic.youkuaiyun.com/u/20101222/20/1B60B6DD-4D59-4E3C-8BAF-44E93CA1C6C9.html

http://blog.youkuaiyun.com/tangcheng_ok/article/details/6909049

http://blog.youkuaiyun.com/fenger8293/article/details/6896510

http://blog.youkuaiyun.com/mingyuanzhi/article/details/6686627