From 4a53e928cf634e284e6383d692f6d72cdb798aad Mon Sep 17 00:00:00 2001 From: LiAn Date: Fri, 22 Jul 2022 07:45:26 +0000 Subject: [PATCH] update zh-cn/application-dev/ui/ts-custom-component-lifecycle-callbacks.md. Signed-off-by: LiAn --- .../ui/ts-custom-component-lifecycle-callbacks.md | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/zh-cn/application-dev/ui/ts-custom-component-lifecycle-callbacks.md b/zh-cn/application-dev/ui/ts-custom-component-lifecycle-callbacks.md index ed805d83cc..86fa28766c 100644 --- a/zh-cn/application-dev/ui/ts-custom-component-lifecycle-callbacks.md +++ b/zh-cn/application-dev/ui/ts-custom-component-lifecycle-callbacks.md @@ -23,7 +23,7 @@ struct CountDownTimerComponent { @State countDownFrom: number = 10 private timerId: number = -1 - private aboutToAppear(): void { + aboutToAppear(): void { this.timerId = setInterval(() => { if (this.countDownFrom <= 1) { clearTimeout(this.timerId) @@ -32,7 +32,7 @@ struct CountDownTimerComponent { }, 1000) // decr counter by 1 every second } - private aboutToDisappear(): void { + aboutToDisappear(): void { if (this.timerId > 0) { clearTimeout(this.timerId) this.timerId = -1 @@ -48,7 +48,8 @@ struct CountDownTimerComponent { 上述示例表明，生命周期函数对于允许CountDownTimerComponent管理其计时器资源至关重要，类似的函数也包括异步从网络请求加载资源。 -> ![icon-note.gif](public_sys-resources/icon-note.gif) **说明：** +> **说明：** +> > - 允许在生命周期函数中使用Promise和异步回调函数，比如网络资源获取，定时器设置等； > > - 不允许在生命周期函数中使用async await。 -- GitLab