父组件:@hook:mounted="watchChild",watchChild写监听到子组件生命周期触发后,要走的逻辑
<template>
<div class="home">
<div>{{title}}</div>
//看这里看这里
<child @hook:mounted="watchChild"></child>
</div>
</template>
<script>
// @ is an alias to /src
// import pdf from "vue-pdf";
import child from "@/components/child/child";
export default {
name: "home",
data () {
return {
title: "父组件",
};
},
components: {
child
},
methods: {
// 监听子组件触发事件
watchChild () {
// 可以监听到子组件mounted之后,获取子组件的DOM节点的ref属性
console.log(111)
}
}
};
</script>
子组件什么都不用写