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C# InvalidOperationException:无法解析类型为';IDocumentService';试图激活';文档控制器';_C#_Api_Asp.net Web Api - Fatal编程技术网

C# InvalidOperationException:无法解析类型为';IDocumentService';试图激活';文档控制器';

C# InvalidOperationException:无法解析类型为';IDocumentService';试图激活';文档控制器';,c#,api,asp.net-web-api,C#,Api,Asp.net Web Api,现在我正在开发Web api Asp.net核心,并且我已经用DI实现了truble。 当我尝试向我的api发送请求时,出现了以下错误 我用了Ninject,我想我在这方面有问题 GitLab与我的项目 启动文件可能有问题 public class Startup { public Startup(IConfiguration configuration) { Configuration = configuration; } public IC

现在我正在开发Web api Asp.net核心,并且我已经用DI实现了truble。 当我尝试向我的api发送请求时,出现了以下错误

我用了Ninject,我想我在这方面有问题 GitLab与我的项目

启动文件可能有问题

public class Startup
{
    public Startup(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    public IConfiguration Configuration { get; }

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddDbContext<DocumentContext>
            (options => options.UseSqlServer(Configuration["ConnectionStrings:DefaultConnection"]));

        services.AddControllers();
        var mappingConfig = new MapperConfiguration(mc =>
        {
            mc.AddProfile(new AutomapperProfile());
        });

        IMapper mapper = mappingConfig.CreateMapper();
        services.AddSingleton(mapper);

        services.AddMvc();

        NinjectModule ninjectModule = new NinjModule();
        NinjectModule serviceModule = new ServiceModule(Configuration["ConnectionStrings:DefaultConnection"]);
        var kernel = new StandardKernel(ninjectModule, serviceModule);
        DependencyResolver.SetResolver(new NinjectDependencyResolver(kernel));
    }


    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        app.UseDeveloperExceptionPage();

        app.UseHttpsRedirection();
        app.UseStaticFiles();

        app.UseRouting();

        app.UseAuthentication();
        app.UseAuthorization();

        app.UseEndpoints(endpoints =>
        {
            endpoints.MapControllerRoute(
                name: "default",
                pattern: "{controller=Home}/{action=Index}/{id?}");
        });
    }
}
公共类启动
{
公共启动(IConfiguration配置)
{
配置=配置;
}
公共IConfiguration配置{get;}
//此方法由运行时调用。请使用此方法将服务添加到容器中。
public void配置服务(IServiceCollection服务)
{
services.AddDbContext
(options=>options.UseSqlServer(配置[“ConnectionString:DefaultConnection”]);
services.AddControllers();
var mappingConfig=新的MapperConfiguration(mc=>
{
mc.AddProfile(新的AutomapperProfile());
});
IMapper mapper=mappingConfig.CreateMapper();
服务。AddSingleton(映射器);
services.AddMvc();
NinjectModule NinjectModule=新的NinjModule();
NinjectModule serviceModule=新的serviceModule(配置[“ConnectionString:DefaultConnection”]);
var kernel=新的标准内核(ninject模块、serviceModel);
SetResolver(新的NinjectDependencyResolver(内核));
}
//此方法由运行时调用。请使用此方法配置HTTP请求管道。
public void配置(IApplicationBuilder应用程序、IWebHostEnvironment环境)
{
app.UseDeveloperExceptionPage();
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(端点=>
{
endpoints.MapControllerRoute(
名称:“默认”,
模式:“{controller=Home}/{action=Index}/{id?}”);
});
}
}

看起来您需要为依赖项注入注册服务来解析类

您必须将所有注入的类注册为Singleton或Transient。这是一个在startup.cs中尝试的示例

services.AddTransient<IDocumentService , DocumentService>();
services.AddTransient();
有关更多信息,请参阅文档

看起来您需要注册服务以进行依赖项注入来解析类

您必须将所有注入的类注册为Singleton或Transient。这是一个在startup.cs中尝试的示例

services.AddTransient<IDocumentService , DocumentService>();
services.AddTransient();
有关更多信息,请参阅文档

我不是舒尔,我需要注册什么我会读dock,但现在我试着做一些类似的事情,但有一个例外是的,谢谢,我提供了服务。AddTransient();services.AddTransient();services.AddTransient();在启动过程中,更改了UnitOfWork Constructor我不是舒尔我需要注册什么我会读dock但现在我试着做一些类似的事情并且有这个例外是的,谢谢,我提供了服务。AddTransient();services.AddTransient();services.AddTransient();在启动中,并更改了UnitOfWork构造函数OK抱歉我将编辑它OK抱歉我将编辑它