//filterContext.RouteData.GetRequiredString("controller") + "/" +
filterContext.RouteData.GetRequiredString("action");
//filterContext.HttpContext.Response.Redirect("http://" +
filterContext.HttpContext.Request.Url.Host + ":" +
filterContext.HttpContext.Request.Url.Port.ToString() + "/" +
retUrl);
//filterContext.Result = new EmptyResult();
自己存档：asp.net mvc 从filterContent得到controller和action
原文：http://www.cnblogs.com/mikelij/p/3551716.html