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子组件传递给父组件
2022-07-07 03:12:00 【要成为光的女人】
1.什么样的情况下子组件祖尧传递内容到付组件呢?
- 当子组件有一些事件发生的时候,比如在组件中发生了点击,父组件需要切换内容;
- 子组件有一些内容想要传递给父组件的时候;
我们如何完成上面的操作呢?
- 首先,我们需要在子组件中定义好在某些情况下触发的事件名称;
- 其次,在父组件中以v-on 的方式传入要监听的事件名称,并且绑定到对应的方法中
- 最后,在子组件中发生某个事件的时候,根据事件名称触发对应的事件;
小案例:
传递事件时,同时也可以传递一个参数。
接收处理这个参数:
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