设置GraphQL.net

Question

无法让它运行。我得到以下错误消息，我已经使它尽可能简单，但什么是必需的服务，我错过了。

我正在使用图类型第一方法。https://graphql-dotnet.github.io/docs/getting-started/introduction

GraphQL.Utilities.ServiceProviderExtensions.GetRequiredService(IServiceProvider提供者找不到的

System.InvalidOperationException: GraphQL.Types.SchemaTypes.<>c__DisplayClass7_0.<.ctor>b__2(Type t中的 33中的serviceType) )在//src/GraphQL/Types/Collections/SchemaTypes.cs:line 141中的GraphQL.Types.SchemaTypes.AddTypeIfNotRegistered(Type类型，( //src/GraphQL/Types/Collections/SchemaTypes.cs:line 539 at GraphQL.Types.SchemaTypes.HandleField(IComplexGraphType parentType，FieldType字段，TypeCollectionContext上下文，布尔applyNameConverter)在//src/GraphQL/Types/Collections/SchemaTypes.cs:line 429 at GraphQL.Types.SchemaTypes.AddType(IGraphType type，TypeCollectionContext context)中，//src/GraphQL/Types/Collections/SchemaTypes.cs:line 333 at GraphQL.Types.SchemaTypes..ctor(ISchema模式，//src/GraphQL/ Types/Schema.cs://src/GraphQL/ GraphQL.Utilities.SchemaPrinter.PrintFilteredSchema(Func2 directiveFilter, Func2 /Schema.cs中//src/GraphQL/Types/Schema.cs中GraphQL.Types.Schema.Initialize()的第328行()第328行://src/GraphQL/ IServiceProvider /Schema.cs中的GraphQL.Types.Schema.Initialize()第79行//src/GraphQL/实用程序/SchemaPrinter.cs: Autumn.Api.Controllers.AutumnController.Schema()的第63行，C:\ws\Autumn-APICore\Autumn.Api\Controllers\AutumnController.cs:line 37中的Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(IActionResultTypeMapper映射程序，ObjectMethodExecutor执行器、对象控制器、Object[]参数)

using GraphQL.Types;
using System;
        
namespace autumn
{
    public class Test
    {
        public int Number { get; set; } = 5;
        public string String { get; set; } = "Test Class";
        public DateTime DateTime { get; set; } = System.DateTime.Now;
    }
        
    public class TestOGT : ObjectGraphType<Test>
    {
        public TestOGT()
        {
            Field(x => x.Number, nullable: true).Name("Number");
            Field(x => x.String, nullable: true).Name("String");
            Field(x => x.DateTime, nullable: true).Name("DateTime");
        }
    }
        
    public class AutumnQuery : ObjectGraphType
    {        
        public AutumnQuery()
        {
            Field<TestOGT>("Article",
                arguments: new QueryArguments(
                    new QueryArgument<StringGraphType> { Name = "Language", DefaultValue="en-us" },
                    new QueryArgument<StringGraphType> { Name = "Id" }
                ),
                resolve: context => { return new Test(); });
        }
        
    }
    public class AutumnSchema : Schema
    {
        public AutumnSchema(IServiceProvider serviceProvider, AutumnQuery query) : base(serviceProvider)
        {
            this.Query = query;
        }
    }
   
    [ApiController]
    [Route("[controller]")]
    public class AutumnController : ControllerBase
    {
        private static readonly HttpClient client = new HttpClient();
        private readonly AutumnSchema _schema;
        
        public AutumnController(ISchema schema)
        {
            _schema = (AutumnSchema)schema;
        }
        
        [HttpGet]
        [Route("/schema")]
        public async Task<IActionResult> Schema()
        {
            return Content(new SchemaPrinter(_schema).Print());
        }
    }
}

Answer 1

错误是AutumnQuery是不需要的，并且在构造函数IServiceProvider中有