/// <summary>
    /// 后(hou)臺路由
    /// </summary>
    public class admin_routing : RazorViewEngine
    {
        public admin_routing()
        {
            ViewLocationFormats = new[]
            {
              "~/Views/{1}/{0}.cshtml",
                "~/Views/Admin/{1}/{0}.cshtml"//自定義汽車銷(xiao)售(shou)的(de)試圖
            };
        }
        public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
        {
            return base.FindView(controllerContext, viewName, masterName, useCache);
        }
    }

  public class RouteConfig
    {
        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}/{id}",
                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            );


            routes.MapRoute(
               "Admin", // 路由名稱(cheng)，這個(ge)只要保證在路由集合(he)中唯一即可
               "Admin/{controller}/{action}/{id}", 
               new { controller = "WebUser", action = "Index", id = UrlParameter.Optional } // 
           );

        }
    }

　　　　 protected void RegisterView_Custom_routing()
        {
            ViewEngines.Engines.Clear();
            ViewEngines.Engines.Add(new admin_routing());
        }

  protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();

            WebApiConfig.Register(GlobalConfiguration.Configuration);
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);
            AuthConfig.RegisterAuth();
            RegisterView_Custom_routing();
        }