<template>
  <div>
    <div>我是父级组件</div>
    <Child/>
  </div>
</template>

<script>
import Child from './child.vue'

export default {
  components: {
    Child
  },
  data() {
    return {
    message:'父组件信息'
    }
  },
  provide() {
    return { $_parent: this };
  },
  methods:{
     getMessage(){
       alert('message')
      }
  }
}
</script>

<style></style>