w1020/15.vue3/vue-pinia/src/App.vue

<template>
  <div>
    <h1>首页</h1>
    <Count></Count>
  </div>
</template>

<script lang="ts" setup>
import Count from './components/Count.vue'
import {ref,reactive} from "vue" 

</script>

<style lang="scss" scoped>
</style>