mvc 伪静态任意扩展名的实现方法

   public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
            routes.MapRoute(
                 name: "2",
                 url: "{controller}/{action}/{id}.html",
                 defaults: new { controller = "Home", action = "Index",  }
             );
            
        }