#鸿蒙通关秘籍#如何在HarmonyOS NEXT中管理组件的生命周期？

@Component
struct ChildComponent {
  @State title: string = 'Hello World';

  aboutToAppear() {
    console.info('ChildComponent aboutToAppear，组件即将出现时回调该接口')
  }

  aboutToDisappear() {
    console.info('ChildComponent aboutToDisappear，在组件销毁之前执行')
  }

  build() {
    Text(this.title).fontSize(50).onClick(() => {
      this.title = 'Hello ArkUI';
    })
  }
}
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