Vue_Demo/20_脚手架/vue3_test/src/components/Child.vue

<template>
  <div class="child">
    <h3>我是child组件（子）</h3>
    <son/>
  </div>
</template>

<script>
import son from "@/components/Son.vue";
export default {
  name: "Child",
  components:{son}
}
</script>

<style>
  .child{
    background-color: skyblue;
    padding: 10px;
  }
</style>