1.

App_Start\RouteConfig.cs

routes.MapRoute(

name: "User",

url: "User/{username}/{action}",

defaults: new { controller = "User", action = "Index", username = UrlParameter.Optional },

namespaces: new string[] { "Web.Controllers" }

);

 

2.

Web.Controllers.UserController:Controller

  public ActionResult Index(){return View();}

3.

Views\User\Index.cshtml

 

4.测试

http://localhost/User/aaa/Index