权限管理设计

http://www.iteye.com/magazines/82

http://hotstrong.iteye.com/blog/1160153

http://www.cnblogs.com/leoxie2011/archive/2011/05/19/2050626.html

http://www.cnblogs.com/leoxie2011/archive/2012/03/20/2408542.html

http://www.cnblogs.com/leoxie2011/archive/2012/03/18/2400367.html

http://www.cnblogs.com/sanshi/p/4030265.html