资源URL

引用

http://topic.csdn.net/u/20110908/11/FC4E5FDA-1402-406B-937C-931D0E75BA7E.html

http://wenku.baidu.com/view/4de7c72e2af90242a895e5e8.html?from=related&hasrec=1

http://wenku.baidu.com/view/8f62882ce2bd960590c67795.html?from=rec&pos=2&weight=2&lastweight=2&count=5

http://wenku.baidu.com/view/362ad711cc7931b765ce1556.html?from=rec&pos=0&weight=12&lastweight=8&count=4

http://wenku.baidu.com/view/8b7d4ecc05087632311212c9.html?from=rec&pos=0&weight=135&lastweight=57&count=5

http://www.cnblogs.com/TerryBlog/archive/2011/04/18/2019907.html

http://blog.csdn.net/kmyhy/article/details/6323693