小编JSt*_*ein的帖子

按照 AutoFac 文档，我能够在 ASP.NET Core 3.0 Preview 3 中使用 AutoFac。ASP.NET Core 3.0 Preview 4 和 ASP.NET Core 3.0 Preview 5 引入了重大更改，AutoFac 不再有效。我的控制器方法返回运行时错误。

我的代码中ASP.NET Core 3.0 Preview 3和ASP.NET Core 3.0 Preview 5的区别如下：

IWebHostBuilder -> IHostBuilder

CreateWebHostBuilder -> CreateHostBuilder

WebHost.CreateDefaultBuilder(args) -> Host.CreateDefaultBuilder(args)

public IServiceProvider ConfigureServices(IServiceCollection services)

到

public void ConfigureServices(IServiceCollection services)

System.AggregateException
  HResult=0x80131500
  Message=Some services are not able to be constructed (Error while validating the service descriptor 'ServiceType: API.Controllers.CityController Lifetime: Transient ImplementationType: CityController': Unable to resolve service for type 'IUnitOfWork' while attempting …