Vue_Demo/20_脚手架/vue_code/src/App.vue

<template>
  <div>
    <Count/>
  </div>
</template>

<script>
import Count from "@/components/Count.vue";

export default {
  name: "App",
  components: {Count},
  mounted() {
    console.log('App', this)
  }
}
</script>