OnDestroylink
A lifecycle hook that is called when a directive, pipe, or service is destroyed. Use for any custom cleanup that needs to occur when the instance is destroyed.
一个生命周期钩子,它会在指令、管道或服务被销毁时调用。 用于在实例被销毁时,执行一些自定义清理代码。
参见
Lifecycle Hooks guide
方法
A callback method that performs custom clean-up, invoked immediately after a directive, pipe, or service instance is destroyed. 一个用于执行清理逻辑的回调方法,会在指令、管道、服务的实例被销毁后立即调用。 |
参数没有参数。 返回值
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使用说明
The following snippet shows how a component can implement this interface to define its own custom clean-up method.
下列代码片段展示了组件如何实现该接口,以定义它自己的清理逻辑。