http://www.cnblogs.com/MoShin/archive/2011/04/08/2009694.html
http://www.blogjava.net/yejiansuo/archive/2010/10/18/335442.html
http://hi.baidu.com/nwwolfhdy/blog/item/e7bcf782cd2b699df603a680.html
http://www.cnblogs.com/MoShin/archive/2011/04/08/2009694.html
http://www.blogjava.net/yejiansuo/archive/2010/10/18/335442.html
http://hi.baidu.com/nwwolfhdy/blog/item/e7bcf782cd2b699df603a680.html