http://blog.csdn.net/jiuqiyuliang/article/details/45286191
http://blog.csdn.net/jiuqiyuliang/article/details/45132493
http://download.csdn.net/detail/jiuqiyuliang/8640621
http://www.cnblogs.com/yjmyzz/p/4210554.html
http://www.cnblogs.com/smileberry/p/4145872.html