子组件的值动态传给父组件
时间: 2023-08-29 14:11:06 浏览: 74
子组件的值可以通过在子组件中定义一个方法,然后将该方法传给父组件来实现动态传递。在子组件中,可以使用`this.$emit`来触发一个自定义事件,并将方法作为参数传递给父组件。例如,子组件中定义了一个名为`setData`的方法,可以通过以下方式将该方法传给父组件:
```
export default {
mounted() {
this.$emit('setData', this.setData);
},
methods: {
setData(data) {
// do something with the data
}
}
}
```
在父组件中,可以在子组件标签上使用`@setData`来监听子组件触发的事件,并在触发时调用相应的方法。例如:
```
<template>
<div>
<child-component @setData="handleData"></child-component>
</div>
</template>
<script>
export default {
methods: {
handleData(data) {
// do something with the data received from the child component
}
}
}
</script>
```
这样,子组件的值就可以动态传递给父组件了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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