启动 ASP .NET Core 上的 MapSpaFallbackRoute [英] MapSpaFallbackRoute on Startup ASP .NET Core

问题描述

我在 Net Core App 上有一个名为 Admin 的区域，在启动时的 MapSpaFallbackRoute 设置中，我想这样设置，

I have an Areas on Net Core App named Admin, on MapSpaFallbackRoute setting on startup, I want to set like this,

app.UseMvc(routes =>
    {
      routes.MapSpaFallbackRoute(
      name: "spa-fallback-admin",
      defaults: new { area="Admin", controller = "Home", action = "Index" });
    });

这是定义 MapSpaFallbackRoute 的正确方法吗?我怀疑 MapSpaFallbackRoute 是否有属性 area，我一直在尝试这个，我的应用程序返回 404(未找到).那么，定义 MapSpaFallbackRoute 的正确方法是什么，我想在管理区域使用 HomeController，并带有索引操作

is this the correct way to define MapSpaFallbackRoute? I doubt MapSpaFallbackRoute have attributes area, I have been try this, and my apps return 404(not found). so, what the correct way to define MapSpaFallbackRoute, I want using HomeController on Admin area, with Index action

这是我的完整代码，我想用路径管理请求，管理区域的控制器应该处理.

It is my complete code, I want to request with path admin, controller on admin areas should be handle that.

        app.MapWhen(context => context.Request.Path.Value.StartsWith("/admin"), builder =>
        {
            builder.UseMvc(routes =>
            {
                routes.MapRoute(
                name: "default",
                template: "{area=Admin}/{controller=Home}/{action=Index}/{id?}");

                routes.MapSpaFallbackRoute(
                name: "spa-fallback-admin",
                defaults: new { area="Admin", controller = "Home", action = "Index" });
            });
        });

        app.UseMvc(routes =>
        {
            routes.MapRoute(
                name: "default",
                template: "{controller=Home}/{action=Index}/{id?}");

            routes.MapSpaFallbackRoute(
                name: "spa-fallback",
                defaults: new { controller = "Home", action = "Index" });
            routes.MapRoute(
                name: "areas",
                template: "{area:exists}/{controller=Home}/{action=Index}/{id?}");
        });

感谢您的帮助

推荐答案

MapSpaFallbackRoute 所做的是允许定义路由参数的默认值以处理 404 情况.

What MapSpaFallbackRoute does is allows defining default values for route parameters to handle 404 cases.

现在回答您的问题:是的，MVC 路由(属性/约定)支持 {area} 作为路由参数，因此您可以编写上面的代码来定义默认值.

Now to your question: yes, MVC routing (both attribute/convention) supports {area} as route parameter and so you can write above code to define a default value.

你没有显示你的路由设置，所以我认为你的主要问题是你没有在路由模板中指定 {area} 参数.

You didn't show your routing setup, so I assume that your main problem is that you haven't specified {area} parameter in your route template.

例如，如果考虑约定路由，以下应该有效:

For example, if consider convention routing, the following should work:

app.UseMvc(routes => {
           routes.MapRoute("default", "{area}/{controller}/{action}/{id?}");
           routes.MapSpaFallbackRoute(
             name: "spa-fallback-admin",
             defaults: new { area="Admin", controller = "Home", action = "Index" });
});

<小时>

对于更新的问题:尝试使用 .UseWhen 而不是 .MapWhen:

app.UseWhen(context => context.Request.Path.Value.StartsWith("/admin"), builder =>
{

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