添加了译注,解释deleteRequest属性是Output属性。

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Zhimin YE (Rex) 2016-06-01 14:56:54 +01:00
parent 16bc5bfea2
commit aa010fb920
1 changed files with 1 additions and 1 deletions

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@ -1341,7 +1341,7 @@ block style-property-name-dart-diff
When the user clicks *delete*, the component invokes the `delete()` method When the user clicks *delete*, the component invokes the `delete()` method
which tells the `EventEmitter` to emit a `Hero` object. which tells the `EventEmitter` to emit a `Hero` object.
组件定义了一个`deleteRequest`属性,它是一个`EventEmitter`实例。 组件定义了一个`deleteRequest`属性,它是一个`EventEmitter`实例。(译注:`deleteRequest`属性是导出Output属性是组件与父级组件交互的主要方式之一。参见[父组件监听子组件的事件](docs/ts/latest/cookbook/component-communication.html#!#child-to-parent)。我们需要用`@Output()`来装饰它,或者把它添加到组件元数据的`outputs`数组中,它才能在父级组件可见。)
当用户点击*删除*时,组件会调用`delete()`方法,这个方法告诉`EventEmitter`,发出一个`Hero`对象。 当用户点击*删除*时,组件会调用`delete()`方法,这个方法告诉`EventEmitter`,发出一个`Hero`对象。
Now imagine a hosting parent component that binds to the `HeroDetailComponent`'s `deleteRequest` event. Now imagine a hosting parent component that binds to the `HeroDetailComponent`'s `deleteRequest` event.