權限設計參考

遲d整理, 睇住先
http://www.cnblogs.com/a7345678/archive/2008/09/25/1298838.html
http://www.blogjava.net/amigoxie/archive/2007/09/29/149509.html
http://www.cnblogs.com/yukaizhao/archive/2007/04/15/user_role_action_permission.html
http://www.blogjava.net/RongHao/category/20773.html