public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); 
            routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}",
                defaults: new { controller = "SMSService", action = "Index" }
            );


            routes.MapRoute(
               name: "Default1",
               url: "{controller}/{action}/{brxm}/{zyhm}/{groupName}",
               defaults: new { groupName = UrlParameter.Optional }
           );
   //上面这个模板，可以正常匹配到 2个不同 控制器的不同action,但前提 2个action参数必须一致，同名同数目。
          
        }