.Net Core + DI: Class 集中接口

Question

我是.Net Core 和Microsoft Dependency Injection 的新手，我想做的是類似於'.ToFactory()'（來自ninject），我可以創建一個包含我所有接口服務的class，避免很多IMyClassService我的控制器。 In.Net Framework + Ninject 我曾經做過：

忍者模塊

Bind< IAppServiceFactory >().ToFactory();

IAppServiceFactory class

public interface IAppServiceFactory
{
    IAccessAgreementAppService AccessAgreement { get; }
    IAccessAgreementUserAppService AccessAgreementUser { get; }
    ...

控制器

private readonly IMapper _mapper;
private readonly IAppServiceFactory _appServiceFactory;

public MyController(IMapper mapper,
    IAppServiceFactory appServiceFactory)
{
    _mapper = mapper;
    _appServiceFactory = appServiceFactory;
}

public ActionResult Index()
{
    var all = _appServiceFactory.AccessAgreementUser.GetAll();
}

主要原因是有一個更清潔的 controller，而不是

private readonly IAccessAgreementAppService _accessAgreementAppService;
private readonly IAccessAgreementUserAppService _accessAgreementUserAppService;
...
public MyController(IAccessAgreementAppService accessAgreementAppService,
    IAccessAgreementUserAppService accessAgreementUserAppService,
    ...

Answer 1

您可以請求IServiceProvider並自己獲取服務。

 public MyController(IServiceProvider serviceProvider)
 {
         using (var scope = serviceProvider.CreateScope())
         {
             var service = scope.ServiceProvider.GetRequiredService<IAccessAgreementAppService();
             var all = service.GetAll();    
         }
 }