class ComponentRef<C> { get location(): ElementRef get injector(): Injector get instance(): C get hostView(): ViewRef get changeDetectorRef(): ChangeDetectorRef get componentType(): Type<any> destroy(): void onDestroy(callback: Function): void }
描述
Represents an instance of a Component created via a ComponentFactory.
表示通过ComponentFactory创建的组件的实例。
ComponentRef provides access to the Component Instance as well other objects related to this Component Instance and allows you to destroy the Component Instance via the destroy method.
方法
- get location(): ElementRef
Location of the Host Element of this Component Instance.
@H_404_59@该组件实例的Host元素的位置。
- get injector(): Injector
The injector on which the component instance exists.
@H_404_59@组件实例所在的注入器
- get instance(): C
The instance of the Component.
@H_404_59@组件实例
- get hostView(): ViewRef
The ViewRef of the Host View of this Component instance.
@H_404_59@该组件实例的Host视图的ViewRef
- get changeDetectorRef(): ChangeDetectorRef
The ChangeDetectorRef of the Component instance.
@H_404_59@组件实例的ChangeDetectorRef。
- get componentType(): Type
The component type.
@H_404_59@组件类型
- destroy(): void
Destroys the component instance and all of the data structures associated with it.
@H_404_59@销毁组件实例和与之关联的所有数据结构。
- onDestroy(callback: Function): void
Allows to register a callback that will be called when the component is destroyed.
@H_404_59@允许注册在组件销毁时将被调用的回调。
