ServiceCollectionServiceExtensions.AddSingleton 方法

定义

命名空间:: Microsoft.Extensions.DependencyInjection

程序集:: Microsoft.Extensions.DependencyInjection.Abstractions.dll

包:: Microsoft.Extensions.DependencyInjection.Abstractions v11.0.0-preview.5.26302.115

重要

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重载

名称	说明
AddSingleton(IServiceCollection, Type, Object)	将 `serviceType` 中指定的类型的单一实例服务，并在 `implementationInstance` 中指定的实例添加到指定的 IServiceCollection。
AddSingleton(IServiceCollection, Type, Type)	将 `serviceType` 中指定的类型的单一实例服务添加到指定 `implementationType` 中指定的类型的实现添加到指定的 IServiceCollection。
AddSingleton(IServiceCollection, Type)	将 `serviceType` 中指定的类型的单一实例服务添加到指定的 IServiceCollection。
AddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	将 `serviceType` 中指定的类型的单一实例服务添加到指定 `implementationFactory` 中指定的工厂添加到指定的 IServiceCollection。
AddSingleton<TService,TImplementation>(IServiceCollection)	将 `TService` 中指定的类型的单一实例服务添加到指定 `TImplementation` 中指定的实现类型添加到指定的 IServiceCollection。
AddSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	使用 `TService` 中指定的工厂将 `TImplementation` 中指定的类型的单一实例服务添加到指定的 `implementationFactory`IServiceCollection 中指定的实现类型。
AddSingleton<TService>(IServiceCollection)	将 `TService` 中指定的类型的单一实例服务添加到指定的 IServiceCollection。
AddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	将 `TService` 中指定的类型的单一实例服务添加到指定 `implementationFactory` 中指定的工厂添加到指定的 IServiceCollection。
AddSingleton<TService>(IServiceCollection, TService)	将 `TService` 中指定的类型的单一实例服务，并在 `implementationInstance` 中指定的实例添加到指定的 IServiceCollection。

AddSingleton(IServiceCollection, Type, Object)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 serviceType 中指定的类型的单一实例服务，并在 implementationInstance 中指定的实例添加到指定的 IServiceCollection。

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object implementationInstance);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationInstance As Object) As IServiceCollection

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

serviceType: Type

要注册的服务的类型。

implementationInstance: Object

服务的实例。

IServiceCollection

操作完成后对此实例的引用。

注解

此方法始终向添加新注册 IServiceCollection，即使已注册同一类型的服务也是如此。当存在多个注册时， GetService(Type) 返回最后一个注册的服务。用于 GetServices<T>(IServiceProvider) 检索所有已注册的服务。

另请参阅

Singleton

适用于

AddSingleton(IServiceCollection, Type, Type)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 serviceType 中指定的类型的单一实例服务添加到指定 implementationType 中指定的类型的实现添加到指定的 IServiceCollection。

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, Type ^ implementationType);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, Type implementationType);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Type -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationType As Type) As IServiceCollection

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

serviceType: Type

要注册的服务的类型。

implementationType: Type

服务的实现类型。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton(IServiceCollection, Type)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 serviceType 中指定的类型的单一实例服务添加到指定的 IServiceCollection。

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type) As IServiceCollection

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

serviceType: Type

要注册的服务的类型以及要使用的实现。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 serviceType 中指定的类型的单一实例服务添加到指定 implementationFactory 中指定的工厂添加到指定的 IServiceCollection。

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, Func<IServiceProvider ^, System::Object ^> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, Func<IServiceProvider,object> implementationFactory);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Func<IServiceProvider, obj> -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationFactory As Func(Of IServiceProvider, Object)) As IServiceCollection

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

serviceType: Type

要注册的服务的类型。

implementationFactory: Func<IServiceProvider,Object>

创建服务的工厂。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton<TService,TImplementation>(IServiceCollection)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 TService 中指定的类型的单一实例服务添加到指定 TImplementation 中指定的实现类型添加到指定的 IServiceCollection。

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService,TImplementation>(this Microsoft.Extensions.DependencyInjection.IServiceCollection services) where TService : class where TImplementation : class, TService;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection) As IServiceCollection

类型参数

TService

要添加的服务的类型。

TImplementation

要使用的实现的类型。

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

使用 TService 中指定的工厂将 TImplementation 中指定的类型的单一实例服务添加到指定的 implementationFactoryIServiceCollection 中指定的实现类型。

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TImplementation> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService,TImplementation>(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TImplementation> implementationFactory) where TService : class where TImplementation : class, TService;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, #'Service> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TImplementation)) As IServiceCollection

类型参数

TService

要添加的服务的类型。

TImplementation

要使用的实现的类型。

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

implementationFactory: Func<IServiceProvider,TImplementation>

创建服务的工厂。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton<TService>(IServiceCollection)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 TService 中指定的类型的单一实例服务添加到指定的 IServiceCollection。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService>(this Microsoft.Extensions.DependencyInjection.IServiceCollection services) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection) As IServiceCollection

类型参数

TService

要添加的服务的类型。

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 TService 中指定的类型的单一实例服务添加到指定 implementationFactory 中指定的工厂添加到指定的 IServiceCollection。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TService> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService>(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TService> implementationFactory) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, 'Service (requires 'Service : null)> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TService)) As IServiceCollection

类型参数

TService

要添加的服务的类型。

参数

services: IServiceCollection

要 IServiceCollection 向其添加服务。

implementationFactory: Func<IServiceProvider,TService>

创建服务的工厂。

IServiceCollection

操作完成后对此实例的引用。

注解

另请参阅

Singleton

适用于

AddSingleton<TService>(IServiceCollection, TService)

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

Source:: ServiceCollectionServiceExtensions.cs

将 TService 中指定的类型的单一实例服务，并在 implementationInstance 中指定的实例添加到指定的 IServiceCollection。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, TService implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService>(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, TService implementationInstance) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * 'Service -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection, implementationInstance As TService) As IServiceCollection