public override void OnActionExecuting(ActionExecutingContext filterContext)
            {
                var filterInfo = new FilterContextInfo(filterContext);
                var authority  = new DBAdapter().Authority;

                if (filterInfo.Parameters.Count != 1)
                {
                    throw new ApplicationException("Project guid access attribute detected wrong action parameters.");
                }
                var projectId = int.Parse(filterInfo.Parameters.Values.Single().ToString());

                if (!authority.IsAuthorized(projectId))
                {
                    /// todo 跳到 No Access
                }
                else
                {
                    base.OnActionExecuting(filterContext);
                }
            }
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            var filterInfo = new FilterContextInfo(filterContext);
            var userInfo   = new UserInfo(filterInfo.Username);
            var authority  = new DBAdapter().Authority;

            bool isAuthorized = false;

            //有指定权限中的任何一种权限,即可通过该filter验证
            //AuthorityType.Undefined 表示任意权限
            var flags = CommUtils.GetEnumFlags(m_authorityType);

            foreach (var flag in flags)
            {
                if (authority.IsAuthorized((AuthorityType)flag))
                {
                    isAuthorized = true;
                    break;
                }
            }

            if (!isAuthorized)
            {
                string msg = "Check authority failed:" + (m_authorityType == AuthorityType.Undefined ?
                                                          "Design" : m_authorityType.ToString());

                var routeValue = new RouteValueDictionary(new
                {
                    controller = "Error",
                    action     = "NoAccess",
                    message    = msg
                });
                filterContext.Result = new RedirectToRouteResult(routeValue);
                base.OnActionExecuting(filterContext);
                return;
            }

            base.OnActionExecuting(filterContext);
        }