AfterViewChecked

A lifecycle hook that is called after the default change detector has completed checking a component's view for changes.

一个生命周期钩子,它会在默认的变更检测器完成了对组件视图的变更检测之后调用。

interface AfterViewChecked { ngAfterViewChecked(): void }

参见

方法

A callback method that is invoked immediately after the default change detector has completed one change-check cycle for a component's view.

一个回调方法,它会在默认的变更检测器对组件视图完成了一轮变更检测周期之后立即调用。

ngAfterViewChecked(): void

参数

没有参数。

返回值

void

使用说明

The following snippet shows how a component can implement this interface to define its own after-check functionality.

下面的代码片段展示了组件如何实现该接口,以定义在完成检查之后要执行的自定义逻辑。

@Component({selector: 'my-cmp', template: `...`}) class MyComponent implements AfterViewChecked { ngAfterViewChecked() { // ... } }