ComponentRef
Represents a component created by a ComponentFactory
. Provides access to the component instance and related objects, and provides the means of destroying the instance.
abstract class ComponentRef<C> {
abstract location: ElementRef
abstract injector: Injector
abstract instance: C
abstract hostView: ViewRef
abstract changeDetectorRef: ChangeDetectorRef
abstract componentType: Type<any>
abstract destroy(): void
abstract onDestroy(callback: Function): void
}
属性
属性 | 说明 |
---|---|
abstract location: ElementRef | 只读 The host or anchor element for this component instance. |
abstract injector: Injector | 只读 The dependency injector for this component instance. |
abstract instance: C | 只读 This component instance. |
abstract hostView: ViewRef | 只读 The host view defined by the template for this component instance. |
abstract changeDetectorRef: ChangeDetectorRef | 只读 The change detector for this component instance. |
abstract componentType: Type<any> | 只读 The type of this component (as created by a |
方法
Destroys the component instance and all of the data structures associated with it. |
参数没有参数。 返回值
|
A lifecycle hook that provides additional developer-defined cleanup functionality for the component. |