AfterViewInit
一个生命周期钩子,会在 Angular 完全初始化了组件的视图后调用。 定义一个 ngAfterViewInit()
方法来处理一些额外的初始化任务。
A lifecycle hook that is called after Angular has fully initialized a component's view. Define an ngAfterViewInit()
method to handle any additional initialization tasks.
interface AfterViewInit {
ngAfterViewInit(): void
}
实现类
参见
方法
一个回调方法,它会在 Angular 完成了组件视图的初始化逻辑之后立即调用。 在视图初始化完成之后,它只会调用一次。 A callback method that is invoked immediately after Angular has completed initialization of a component's view. It is invoked only once when the view is instantiated. |
参数没有参数。 返回值
|
使用说明
下列代码片段展示了组件如何实现该接口,以定义自己的视图初始化逻辑。
The following snippet shows how a component can implement this interface to define its own view initialization method.
@Component({selector: 'my-cmp', template: `...`})
class MyComponent implements AfterViewInit {
ngAfterViewInit() {
// ...
}
}