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社区首页 >问答首页 >在调用‘services.Add ()’中调用‘IServiceCollection.AddControllers.ConfigureServices’,无法找到所需的ConfigureServices服务

在调用‘services.Add ()’中调用‘IServiceCollection.AddControllers.ConfigureServices’,无法找到所需的ConfigureServices服务
EN

Stack Overflow用户
提问于 2022-08-22 05:18:45
回答 1查看 1.3K关注 0票数 1

我正在学习ASP.NET Core应用程序的教程,然后这个错误产生了,我尝试了我所知道的一切。MapDefaultControllerRoute();也不起作用。我也尝试从DotNet6.0转换到dotnet核心3.1,但仍然没有进展。下面我附加了生成的错误和文件:

产生的错误:

代码语言:javascript
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An error occurred while starting the application.
InvalidOperationException: Unable to find the required services. Please add all the required services by calling 'IServiceCollection.AddControllers' inside the call to 'ConfigureServices(...)' in the application startup code.
Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.EnsureControllerServices(IEndpointRouteBuilder endpoints)

InvalidOperationException: Unable to find the required services. Please add all the required services by calling 'IServiceCollection.AddControllers' inside the call to 'ConfigureServices(...)' in the application startup code.
Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.EnsureControllerServices(IEndpointRouteBuilder endpoints)
Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapControllerRoute(IEndpointRouteBuilder endpoints, string name, string pattern, object defaults, object constraints, object dataTokens)
ConsoleApp3.Startup+<>c.<Configure>b__1_0(IEndpointRouteBuilder endpoints) in Startup.cs
+
                endpoints.MapControllerRoute(
Microsoft.AspNetCore.Builder.EndpointRoutingApplicationBuilderExtensions.UseEndpoints(IApplicationBuilder builder, Action<IEndpointRouteBuilder> configure)
ConsoleApp3.Startup.Configure(IApplicationBuilder app, IWebHostEnvironment env) in Startup.cs
+
            app.UseEndpoints(endpoints =>
System.RuntimeMethodHandle.InvokeMethod(object target, object[] arguments, Signature sig, bool constructor, bool wrapExceptions)
System.Reflection.RuntimeMethodInfo.Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(object instance, IApplicationBuilder builder)
Microsoft.AspNetCore.Hosting.ConfigureBuilder+<>c__DisplayClass4_0.<Build>b__0(IApplicationBuilder builder)
Microsoft.AspNetCore.Hosting.GenericWebHostBuilder+<>c__DisplayClass13_0.<UseStartup>b__2(IApplicationBuilder app)
Microsoft.AspNetCore.Server.IIS.Core.IISServerSetupFilter+<>c__DisplayClass2_0.<Configure>b__0(IApplicationBuilder app)
Microsoft.AspNetCore.HostFilteringStartupFilter+<>c__DisplayClass0_0.<Configure>b__0(IApplicationBuilder app)
Microsoft.WebTools.BrowserLink.Net.HostingStartup+<>c__DisplayClass1_0.<Configure>b__0(IApplicationBuilder app)
Microsoft.AspNetCore.Watch.BrowserRefresh.HostingStartup+<>c__DisplayClass1_0.<Configure>b__0(IApplicationBuilder app)
Microsoft.AspNetCore.Hosting.GenericWebHostService.StartAsync(CancellationToken cancellationToken)
Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
ConsoleApp3.Program.Main(string[] args) in program.cs
+
            CreateHostBuilder(args).Build().Run();

startup.cs文件:

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using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp3
{
    public class Startup
    {
        public void ConfigurationServices(IServiceCollection services)
        {
            services.AddControllersWithViews();
        }
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });

        }
    }
}

Program.cs:

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using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
using System;

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {

            CreateHostBuilder(args).Build().Run();
        }
        public static IHostBuilder CreateHostBuilder(string[] args) =>

            Host.CreateDefaultBuilder(args).ConfigureWebHostDefaults(webBuilder =>
            {
                webBuilder.UseStartup<Startup>();
            });

    }
}

HomeController.cs文件:

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using Microsoft.AspNetCore.Mvc;

namespace WebApplication1.Controllers
{
    public class HomeController: Controller
    {
        public string Index()
        {
            return "Web Master";
        }
    }
}
EN

回答 1

Stack Overflow用户

发布于 2022-08-24 08:30:31

请将方法ConfigurationServices的名称更改为ConfigureServices

代码语言:javascript
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public void ConfigurationServices(IServiceCollection services)
{
    services.AddControllersWithViews();
} 

代码语言:javascript
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public void ConfigureServices(IServiceCollection services)
{
    services.AddControllersWithViews();
}
票数 1
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/73440493

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