ps:App.vue 父组件
Hello.vue 子组件
App.vue :
<template> <div id="app"> <input type="button" name="" id="" @click="parentCall" value="父调子" /> <hello ref="chil" />//hello组件 </div> </template> <script> import hello from './components/Hello' export default { name: 'app', 'components': { hello }, methods: { parentCall () { this.$refs.chil.chilFn('我是父元素传过来的') } } } </script> /*Hello.vue :*/ <template> <div class="hello"></div> </template> <script> export default { name: 'hello', 'methods': { chilFn (msg) { alert(msg) } } } </script>