权限系统设计

http://developer.51cto.com/art/201409/450356.htm http://aiilive.blog.51cto.com/1925756/1297317 http://vitrum.github.io/ http://www.php1.cn/Content/node-js_KaiFaZhi_RBAC_YongHuJiaoSeQuanXianSheJiFangAn.html http://vitrum.github.io/2015/08/03/Nodejs%E9%A1%B9%E7%9B%AE%E4%B8%AD%E7%94%A8%E5%88%B0%E7%9A%84%E7%94%A8%E6%88%B7%E6%9D%83%E9%99%90%E7%AE%A1%E7%90%86%E7%B3%BB%E7%BB%9F/