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

           
            routes.MapRoute(
               "Action1Html", // action伪静态  
               "{controller}/{action}.html",// 带有参数的 URL  
               new { controller = "Home", action = "Index", id = UrlParameter.Optional }// 参数默认值  
           );
            routes.MapRoute(
               "IDHtml", // id伪静态  
               "{controller}/{action}/{id}.html",// 带有参数的 URL  
               new { controller = "Home", action = "Index", id = UrlParameter.Optional }// 参数默认值  
           );

            routes.MapRoute(
                "ActionHtml", // action伪静态  
                "{controller}/{action}.html/{id}",// 带有参数的 URL  
                new { controller = "Home", action = "Index", id = UrlParameter.Optional }// 参数默认值  
            );

            routes.MapRoute(
                "ControllerHtml", // controller伪静态  
                "{controller}.html/{action}/{id}",// 带有参数的 URL  
                new { controller = "Home", action = "Index", id = UrlParameter.Optional }// 参数默认值  
            );
            routes.MapRoute(
               "Root",
               "",
               new { controller = "Home", action = "Index", id = UrlParameter.Optional });//根目录匹配  

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