http://blog.csdn.net/painsonline/article/details/7183629
http://www.noahweb.net/mail/2/Project.htm#biao
http://blog.csdn.net/painsonline/article/details/7183613/
http://www.imooc.com/video/14137
RBAC权限设计实例
原文：http://www.cnblogs.com/cnki/p/6956420.html
