blocks|key|27759|text|您可以通过以下方式从HttpActionContext获取HttpRouteCollection：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|27760|actionContext.RequestContext.Configuration.Routes|code-block|syntax|javascript|27761|RequestContext|offset|length|27762|HttpConfiguration|27763|HttpRouteCollection|27764|--问题更新后--|27765|ActionExecutingContext有一个从ControllerContext继承的RouteData属性，该属性公开了DataTokens属性(这是一个路由值字典)。它可能与您使用的集合不同，但它确实提供了对该集合的访问：|27766|actionContext.RouteData.DataTokens|27767|DataTokens|27768|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/system.web.http.controllers.httpactioncontext.requestcontext(v=vs.118).aspx|1|https://msdn.microsoft.com/en-us/library/system.web.http.controllers.httprequestcontext.configuration(v=vs.118).aspx|2|https://msdn.microsoft.com/en-us/library/system.web.http.httpconfiguration.routes(v=vs.118).aspx|3|https://msdn.microsoft.com/en-us/library/system.web.routing.routevaluedictionary(v=vs.110).aspx^0|0|0|0|E|0|0|0|H|1|0|0|J|2|0|0|0|0|0|A|3|0^^$0|@$1|2|3|4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1C|8|@]|9|@$I|1D|J|1E|1|1F]]|A|$]]|$1|K|3|L|5|6|7|1G|8|@]|9|@$I|1H|J|1I|1|1J]]|A|$]]|$1|M|3|N|5|6|7|1K|8|@]|9|@$I|1L|J|1M|1|1N]]|A|$]]|$1|O|3|P|5|6|7|1O|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1P|8|@]|9|@]|A|$]]|$1|S|3|T|5|D|7|1Q|8|@]|9|@]|A|$E|F]]|$1|U|3|V|5|6|7|1R|8|@]|9|@$I|1S|J|1T|1|1U]]|A|$]]|$1|W|3|-4|5|6|7|1V|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]|16|$5|Z|10|11|A|$12|17]]|18|$5|Z|10|11|A|$12|19]]]]

You can get an HttpRouteCollection from the HttpActionContext via:

<pre><code>actionContext.RequestContext.Configuration.Routes
</code></pre>

<a href="https://msdn.microsoft.com/en-us/library/system.web.http.controllers.httpactioncontext.requestcontext(v=vs.118).aspx" rel="nofollow">RequestContext</a>

<a href="https://msdn.microsoft.com/en-us/library/system.web.http.controllers.httprequestcontext.configuration(v=vs.118).aspx" rel="nofollow">HttpConfiguration</a>

<a href="https://msdn.microsoft.com/en-us/library/system.web.http.httpconfiguration.routes(v=vs.118).aspx" rel="nofollow">HttpRouteCollection</a>

-- After Question Updated --

The ActionExecutingContext has a RouteData property that it inherits from ControllerContext, which exposes the DataTokens property (which is a route value dictionary). It is probably not the same collection you're used to working with, but it does provide access to that collection:

<pre><code>actionContext.RouteData.DataTokens
</code></pre>

<a href="https://msdn.microsoft.com/en-us/library/system.web.routing.routevaluedictionary(v=vs.110).aspx" rel="nofollow">DataTokens</a>

blocks|key|27810|text|要获取所有路由，您需要使用MVC的ApiExplorer部分。您可以使用属性标记所有操作，也可以使用如下约定：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|27811|public+class+ApiExplorerVisibilityEnabledConvention+:+IApplicationModelConvention
{
++++public+void+Apply(ApplicationModel+application)
++++{
++++++++foreach+(var+controller+in+application.Controllers)
++++++++{
++++++++++++if+(controller.ApiExplorer.IsVisible+==+null)
++++++++++++{
++++++++++++++++controller.ApiExplorer.IsVisible+=+true;
++++++++++++++++controller.ApiExplorer.GroupName+=+controller.ControllerName;
++++++++++++}
++++++++}
++++}
}|code-block|syntax|javascript|27812|在Startup.cs中，在ConfigureServices(...)中添加新的|offset|length|style|CODE|27813|public+void+ConfigureServices(IServiceCollection+services)
{
++++services.AddMvc(
++++++++options+=>+
++++++++{
++++++++++++options.Conventions.Add(new+ApiExplorerVisibilityEnabledConvention());
++++++++++++options.
++++++++}
}|27814|在您的ActionFilter中，您可以使用构造函数注入来获取ApiExplorer：|27815|public+class+MyFilter+:+ActionFilterAttribute
{++++++
++++private+readonly+IApiDescriptionGroupCollectionProvider+descriptionProvider;

++++public+MyFilter(IApiDescriptionGroupCollectionProvider+descriptionProvider)+
++++{
++++++++this.descriptionProvider+=+descriptionProvider;
++++}

++++public+override+void+OnActionExecuting(ActionExecutingContext+actionContext)
++++{
++++++++base.OnActionExecuting(actionContext);

++++++++//+The+convention+groups+all+actions+for+a+controller+into+a+description+group
++++++++var+actionGroups+=+descriptionProvider.ApiDescriptionGroups.Items;

++++++++//+All+the+actions+in+the+controller+are+given+by
++++++++var+apiDescription+=+actionGroup.First().Items.First();

++++++++//+A+route+template+for+this+action+is
++++++++var+routeTemplate+=+apiDescription.RelativePath
++++}
}|27816|包含RelativePath的ApiDescription，它是该路由的路由模板：|27817|//+Copyright+(c)+.NET+Foundation.+All+rights+reserved.
//+Licensed+under+the+Apache+License,+Version+2.0.+See+License.txt+in+the+project+root+for+license+information.

using+System;
using+System.Collections.Generic;
using+Microsoft.AspNetCore.Mvc.Abstractions;
using+Microsoft.AspNetCore.Mvc.ModelBinding;

namespace+Microsoft.AspNetCore.Mvc.ApiExplorer
{
++++public+class+ApiDescription
++++{
++++++++public+string+GroupName+{+get;+set;+}
++++++++public+string+HttpMethod+{+get;+set;+}
++++++++public+IList<ApiParameterDescription>+ParameterDescriptions+{+get;+}+=+new+List<ApiParameterDescription>();
++++++++public+IDictionary<object,+object>+Properties+{+get;+}+=+new+Dictionary<object,+object>();
++++++++public+string+RelativePath+{+get;+set;+}
++++++++public+ModelMetadata+ResponseModelMetadata+{+get;+set;+}
++++++++public+Type+ResponseType+{+get;+set;+}
++++++++public+IList<ApiRequestFormat>+SupportedRequestFormats+{+get;+}+=+new+List<ApiRequestFormat>();
++++++++public+IList<ApiResponseFormat>+SupportedResponseFormats+{+get;+}+=+new+List<ApiResponseFormat>();
++++}
}|27818|entityMap^0|0|0|E|M|0|0|3|C|0|0|2|C|F|E|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@$I|11|J|12|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|13|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|14|8|@$I|15|J|16|K|L]]|9|@]|A|$]]|$1|Q|3|R|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|18|8|@$I|19|J|1A|K|L]|$I|1B|J|1C|K|L]]|9|@]|A|$]]|$1|U|3|V|5|D|7|1D|8|@]|9|@]|A|$E|F]]|$1|W|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|X|$]]

To get at all the routes, you need to use the ApiExplorer part of MVC. You can either mark all your actions with an attribute or use a convention like this one:

<pre><code>public class ApiExplorerVisibilityEnabledConvention : IApplicationModelConvention
{
 public void Apply(ApplicationModel application)
 {
 foreach (var controller in application.Controllers)
 {
 if (controller.ApiExplorer.IsVisible == null)
 {
 controller.ApiExplorer.IsVisible = true;
 controller.ApiExplorer.GroupName = controller.ControllerName;
 }
 }
 }
}
</code></pre>

In Startup.cs, add your new in <code>ConfigureServices(...)</code>

<pre><code>public void ConfigureServices(IServiceCollection services)
{
 services.AddMvc(
 options =&gt; 
 {
 options.Conventions.Add(new ApiExplorerVisibilityEnabledConvention());
 options.
 }
}
</code></pre>

In your <code>ActionFilter</code> you can then use constructor injection to get the ApiExplorer:

<pre><code>public class MyFilter : ActionFilterAttribute
{ 
 private readonly IApiDescriptionGroupCollectionProvider descriptionProvider;

 public MyFilter(IApiDescriptionGroupCollectionProvider descriptionProvider) 
 {
 this.descriptionProvider = descriptionProvider;
 }

 public override void OnActionExecuting(ActionExecutingContext actionContext)
 {
 base.OnActionExecuting(actionContext);

 // The convention groups all actions for a controller into a description group
 var actionGroups = descriptionProvider.ApiDescriptionGroups.Items;

 // All the actions in the controller are given by
 var apiDescription = actionGroup.First().Items.First();

 // A route template for this action is
 var routeTemplate = apiDescription.RelativePath
 }
}
</code></pre>

<code>ApiDescription</code>, which has the <code>RelativePath</code>, which is the route template for that route:

<pre><code>// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc.Abstractions;
using Microsoft.AspNetCore.Mvc.ModelBinding;

namespace Microsoft.AspNetCore.Mvc.ApiExplorer
{
 public class ApiDescription
 {
 public string GroupName { get; set; }
 public string HttpMethod { get; set; }
 public IList&lt;ApiParameterDescription&gt; ParameterDescriptions { get; } = new List&lt;ApiParameterDescription&gt;();
 public IDictionary&lt;object, object&gt; Properties { get; } = new Dictionary&lt;object, object&gt;();
 public string RelativePath { get; set; }
 public ModelMetadata ResponseModelMetadata { get; set; }
 public Type ResponseType { get; set; }
 public IList&lt;ApiRequestFormat&gt; SupportedRequestFormats { get; } = new List&lt;ApiRequestFormat&gt;();
 public IList&lt;ApiResponseFormat&gt; SupportedResponseFormats { get; } = new List&lt;ApiResponseFormat&gt;();
 }
}
</code></pre>

blocks|key|27881|text|上面的不成功，因为我想要一个完整的url，我不必纠结于构建url的东西，而是让框架来处理解析。因此，从AspNetCore.RouteAnalyzer和无数的谷歌和搜索，我没有找到一个明确的答案。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|27882|以下内容适用于典型的家庭控制器和区域控制器：|27883|public+class+RouteInfoController+:+Controller
{
++++//+for+accessing+conventional+routes...
++++private+readonly+IActionDescriptorCollectionProvider+_actionDescriptorCollectionProvider;

++++public+RouteInfoController(
++++++++IActionDescriptorCollectionProvider+actionDescriptorCollectionProvider)
++++{
++++++++_actionDescriptorCollectionProvider+=+actionDescriptorCollectionProvider;
++++}

++++public+IActionResult+Index()
++++{
++++++++StringBuilder+sb+=+new+StringBuilder();

++++++++foreach+(ActionDescriptor+ad+in+_actionDescriptorCollectionProvider.ActionDescriptors.Items)
++++++++{
++++++++++++var+action+=+Url.Action(new+UrlActionContext()
++++++++++++{
++++++++++++++++Action+=+ad.RouteValues["action"],
++++++++++++++++Controller+=+ad.RouteValues["controller"],
++++++++++++++++Values+=+ad.RouteValues
++++++++++++});

++++++++++++sb.AppendLine(action).AppendLine().AppendLine();
++++++++}

++++++++return+Ok(sb.ToString());
++++}|code-block|syntax|javascript|27884|这将在我的简单解决方案中输出以下内容：|27885|/
/Home/Error
/RouteInfo
/RouteInfo/Links
/Area51/SecureArea|27886|上面的工作是使用dotnetcore+3预览版完成的，但我认为它应该适用于dotnetcore+2.2。此外，以这种方式获得url将考虑到已经实施的任何约定，包括在Scott+Hanselman's+Blog上公开的出色的slugify。|27887|entityMap|0|LINK|mutability|MUTABLE|url|https://www.hanselman.com/blog/ASPNETCore22ParameterTransformersForCleanURLGenerationAndSlugsInRazorPagesOrMVC.aspx^0|1F|O|0|0|0|0|0|2A|M|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|13|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|14|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|16|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|17|8|@]|D|@$9|18|A|19|1|1A]]|E|$]]|$1|S|3|-4|5|6|7|1B|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z]]]]

Not been successful with the above, as I wanted a full url which I didn't have to mess around with things to construct the url, but instead let the framework handle the resolution. So following on from <code>AspNetCore.RouteAnalyzer</code> and countless googling and searching, I didn't find a definitive answer.

The following works for me for typical home controller and area controller:

<pre><code>public class RouteInfoController : Controller
{
 // for accessing conventional routes...
 private readonly IActionDescriptorCollectionProvider _actionDescriptorCollectionProvider;

 public RouteInfoController(
 IActionDescriptorCollectionProvider actionDescriptorCollectionProvider)
 {
 _actionDescriptorCollectionProvider = actionDescriptorCollectionProvider;
 }

 public IActionResult Index()
 {
 StringBuilder sb = new StringBuilder();

 foreach (ActionDescriptor ad in _actionDescriptorCollectionProvider.ActionDescriptors.Items)
 {
 var action = Url.Action(new UrlActionContext()
 {
 Action = ad.RouteValues["action"],
 Controller = ad.RouteValues["controller"],
 Values = ad.RouteValues
 });

 sb.AppendLine(action).AppendLine().AppendLine();
 }

 return Ok(sb.ToString());
 }
</code></pre>

This will output the following in my simple solution:

<pre><code>/
/Home/Error
/RouteInfo
/RouteInfo/Links
/Area51/SecureArea
</code></pre>

The above was done using dotnetcore 3 preview but I think it should work with dotnetcore 2.2. Additionally getting the url this way will take into consideration any conventions that have been put in place including the excellent slugify as brought to light on <a href="https://www.hanselman.com/blog/ASPNETCore22ParameterTransformersForCleanURLGenerationAndSlugsInRazorPagesOrMVC.aspx" rel="noreferrer">Scott Hanselman's Blog</a>

blocks|key|4535417|text|这仅对调试有用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4535418|var+routes+=+System.Web.Http.GlobalConfiguration.Configuration.Routes;
var+field+=+routes.GetType().GetField("_routeCollection",+System.Reflection.BindingFlags.Instance+%7C+System.Reflection.BindingFlags.NonPublic);
var+collection+=+field.GetValue(routes)+as+System.Web.Routing.RouteCollection;
var+routeList+=+collection
++++.OfType<IEnumerable<System.Web.Routing.RouteBase>>()
++++.SelectMany(c+=>+c)
++++.Cast<System.Web.Routing.Route>()
++++.Concat(collection.OfType<System.Web.Routing.Route>())
++++.Select(r+=>+$"{r.Url}+({+r.GetType().Name})")
++++.OrderBy(r+=>+r)
++++.ToArray();|code-block|syntax|javascript|4535419|routeList将包含一个路由和类型的字符串数组。|4535420|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

This is useful for debugging only:

<pre><code>var routes = System.Web.Http.GlobalConfiguration.Configuration.Routes;
var field = routes.GetType().GetField("_routeCollection", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
var collection = field.GetValue(routes) as System.Web.Routing.RouteCollection;
var routeList = collection
 .OfType&lt;IEnumerable&lt;System.Web.Routing.RouteBase&gt;&gt;()
 .SelectMany(c =&gt; c)
 .Cast&lt;System.Web.Routing.Route&gt;()
 .Concat(collection.OfType&lt;System.Web.Routing.Route&gt;())
 .Select(r =&gt; $"{r.Url} ({ r.GetType().Name})")
 .OrderBy(r =&gt; r)
 .ToArray();
</code></pre>

routeList will contain a string array of routes and types.

blocks|key|4535483|text|如果您正在使用ASP.NET核心3.0%2B，这意味着您正在使用endpoint+routing，那么您可以使用EndpointDataSource列出所有路由。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4535484|将IEnumerable<EndpointDataSource>注入您的控制器/端点，然后提取所需的任何内容。它既可以与控制器操作、端点一起使用，也可以部分与razor页面一起使用(razor页面似乎不会公开可用的HTTP方法)。|4535485|[Route("/-/{controller}")]
public+class+InfoController+:+Controller
{
++++private+readonly+IEnumerable<EndpointDataSource>+_endpointSources;

++++public+InfoController(
++++++++IEnumerable<EndpointDataSource>+endpointSources
++++)
++++{
++++++++_endpointSources+=+endpointSources;
++++}

++++[HttpGet("endpoints")]
++++public+async+Task<ActionResult>+ListAllEndpoints()
++++{
++++++++var+endpoints+=+_endpointSources
++++++++++++.SelectMany(es+=>+es.Endpoints)
++++++++++++.OfType<RouteEndpoint>();
++++++++var+output+=+endpoints.Select(
++++++++++++e+=>
++++++++++++{
++++++++++++++++var+controller+=+e.Metadata
++++++++++++++++++++.OfType<ControllerActionDescriptor>()
++++++++++++++++++++.FirstOrDefault();
++++++++++++++++var+action+=+controller+!=+null
++++++++++++++++++++?+$"{controller.ControllerName}.{controller.ActionName}"
++++++++++++++++++++:+null;
++++++++++++++++var+controllerMethod+=+controller+!=+null
++++++++++++++++++++?+$"{controller.ControllerTypeInfo.FullName}:{controller.MethodInfo.Name}"
++++++++++++++++++++:+null;
++++++++++++++++return+new
++++++++++++++++{
++++++++++++++++++++Method+=+e.Metadata.OfType<HttpMethodMetadata>().FirstOrDefault()?.HttpMethods?[0],
++++++++++++++++++++Route+=+$"/{e.RoutePattern.RawText.TrimStart('/')}",
++++++++++++++++++++Action+=+action,
++++++++++++++++++++ControllerMethod+=+controllerMethod
++++++++++++++++};
++++++++++++}
++++++++);
++++++++
++++++++return+Json(output);
++++}
}|code-block|syntax|javascript|4535486|当你访问/-/info/endpoints时，你会得到一个JSON格式的路由列表：|4535487|[
++{
++++"method":+"GET",
++++"route":+"/-/info/endpoints",+//+<--+controller+action
++++"action":+"Info.ListAllEndpoints",
++++"controllerMethod":+"Playground.Controllers.InfoController:ListAllEndpoints"
++},
++{
++++"method":+"GET",
++++"route":+"/WeatherForecast",+//+<--+controller+action
++++"action":+"WeatherForecast.Get",
++++"controllerMethod":+"Playground.Controllers.WeatherForecastController:Get"
++},
++{
++++"method":+"GET",
++++"route":+"/hello",+//+<--+endpoint+route
++++"action":+null,
++++"controllerMethod":+null
++},
++{
++++"method":+null,
++++"route":+"/about",+//+<--+razor+page
++++"action":+null,
++++"controllerMethod":+null
++},
]|4535488|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.microsoft.com/en-us/aspnet/core/fundamentals/routing?view=aspnetcore-5.0#endpoint|1|https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.routing.endpointdatasource.endpoints?view=aspnetcore-5.0^0|1I|I|U|G|0|1I|I|1|0|1|V|0|0|4|H|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@$9|13|A|14|1|15]|$9|16|A|17|1|18]]|E|$]]|$1|F|3|G|5|6|7|19|8|@$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|1C|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|1G|8|@]|D|@]|E|$K|L]]|$1|Q|3|-4|5|6|7|1H|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]|Y|$5|T|U|V|E|$W|Z]]]]

If you're using ASP.NET Core 3.0+, that means you're using <a href="https://docs.microsoft.com/en-us/aspnet/core/fundamentals/routing?view=aspnetcore-5.0#endpoint" rel="noreferrer">endpoint routing</a>, then you can list all routes with <a href="https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.routing.endpointdatasource.endpoints?view=aspnetcore-5.0" rel="noreferrer"><code>EndpointDataSource</code></a>s.
Inject <code>IEnumerable&lt;EndpointDataSource&gt;</code> to your controller/endpoint then extract anything you need. It works with both controller actions, endpoints, and partially with razor pages (razor pages don't seem to expose available HTTP methods).
<pre class="lang-cs prettyprint-override"><code>[Route(&quot;/-/{controller}&quot;)]
public class InfoController : Controller
{
 private readonly IEnumerable&lt;EndpointDataSource&gt; _endpointSources;

 public InfoController(
 IEnumerable&lt;EndpointDataSource&gt; endpointSources
 )
 {
 _endpointSources = endpointSources;
 }

 [HttpGet(&quot;endpoints&quot;)]
 public async Task&lt;ActionResult&gt; ListAllEndpoints()
 {
 var endpoints = _endpointSources
 .SelectMany(es =&gt; es.Endpoints)
 .OfType&lt;RouteEndpoint&gt;();
 var output = endpoints.Select(
 e =&gt;
 {
 var controller = e.Metadata
 .OfType&lt;ControllerActionDescriptor&gt;()
 .FirstOrDefault();
 var action = controller != null
 ? $&quot;{controller.ControllerName}.{controller.ActionName}&quot;
 : null;
 var controllerMethod = controller != null
 ? $&quot;{controller.ControllerTypeInfo.FullName}:{controller.MethodInfo.Name}&quot;
 : null;
 return new
 {
 Method = e.Metadata.OfType&lt;HttpMethodMetadata&gt;().FirstOrDefault()?.HttpMethods?[0],
 Route = $&quot;/{e.RoutePattern.RawText.TrimStart('/')}&quot;,
 Action = action,
 ControllerMethod = controllerMethod
 };
 }
 );
 
 return Json(output);
 }
}
</code></pre>
when you visit <code>/-/info/endpoints</code>, you'll get a list of routes as JSON:
<pre class="lang-json prettyprint-override"><code>[
 {
 &quot;method&quot;: &quot;GET&quot;,
 &quot;route&quot;: &quot;/-/info/endpoints&quot;, // &lt;-- controller action
 &quot;action&quot;: &quot;Info.ListAllEndpoints&quot;,
 &quot;controllerMethod&quot;: &quot;Playground.Controllers.InfoController:ListAllEndpoints&quot;
 },
 {
 &quot;method&quot;: &quot;GET&quot;,
 &quot;route&quot;: &quot;/WeatherForecast&quot;, // &lt;-- controller action
 &quot;action&quot;: &quot;WeatherForecast.Get&quot;,
 &quot;controllerMethod&quot;: &quot;Playground.Controllers.WeatherForecastController:Get&quot;
 },
 {
 &quot;method&quot;: &quot;GET&quot;,
 &quot;route&quot;: &quot;/hello&quot;, // &lt;-- endpoint route
 &quot;action&quot;: null,
 &quot;controllerMethod&quot;: null
 },
 {
 &quot;method&quot;: null,
 &quot;route&quot;: &quot;/about&quot;, // &lt;-- razor page
 &quot;action&quot;: null,
 &quot;controllerMethod&quot;: null
 },
]
</code></pre>

In ASP.NET Core, is there a way to see a list of all the routes defined in Startup? We are using the <code>MapRoute</code> extension method of <code>IRouteBuilder</code> to define the routes. 

We are migrating an older project WebAPI project. There we could use <code>GlobalConfiguration.Configuration.Routes</code> to get all the routes. 

More specifically, we are doing this within an action filter. 

<pre><code>public class MyFilter : ActionFilterAttribute
{ 
 public override void OnActionExecuting(ActionExecutingContext actionContext)
 {
 base.OnActionExecuting(actionContext);

 // This no longer works
 // var allRoutes = GlobalConfiguration.Configuration.Routes;

 // var allRoutes = ???
 }
}
</code></pre>

How to get a list of all routes in ASP.NET Core?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

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