RouteAttribute破坏了我的默认路由 [英] RouteAttribute broke my Default route

问题描述

如果我将 [Route(Name ="WhatEver")] 应用于操作(用作默认站点路由)，则在访问站点根目录时会收到HTTP 404.

If I apply [Route(Name = "WhatEver")] to action, which I use as Default site route, I get HTTP 404 when accesing site root.

例如:

• 创建新的示例MVC项目.

• 添加属性路由:

• Create new sample MVC project.

• Add attributes routing:

// file: App_Start/RouteConfig.cs
public class RouteConfig
{
    public static void RegisterRoutes(RouteCollection routes)
    {
        routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
        routes.MapMvcAttributeRoutes(); // Add this line
        routes.MapRoute(
            name: "Default",
            url: "{controller}/{action}/{id}",
            defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
        );
    }
}

添加路由属性

Add routing attributes

[RoutePrefix("Zome")]
public class HomeController : Controller
{
    [Route(Name = "Zndex")]
    public ActionResult Index()
    {
        return View();
    }
    ...
}

现在，当您启动项目进行调试时，将出现HTTP错误404.我该如何在默认路由映射中使用属性路由?

And now, when you start your project for debuging, you will have HTTP Error 404. How should I use attribute routing with default route mapping?

推荐答案

对于使用带有路由前缀的属性路由的默认路由，您需要将路由模板设置为空字符串.如果控制器已经具有路由前缀，也可以使用~/覆盖站点根.

For default route using attribute routing with route prefix you need to set the route template as an empty string. You can also override the site root using ~/ if the controller already has a route prefix.

[RoutePrefix("Zome")]
public class HomeController : Controller {
    [HttpGet]
    [Route("", Name = "Zndex")]      //Matches GET /Zome
    [Route("Zndex")]                 //Matches GET /Zome/Zndex
    [Route("~/", Name = "default")]  //Matches GET /  <-- site root
    public ActionResult Index() {
        return View();
    }
    //...
}

也就是说，在控制器上使用属性路由时，它不再与基于约定的路由匹配.控制器要么全部基于属性，要么全部基于约定，不要混用.

That said, when using attribute routing on a controller it no longer matches convention-based routes. The controller is either all attribute-based or all convention-based that do not mix.

参考 ASP.NET MVC 5中的属性路由

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