<script setup>
  import { ref } from 'vue';


  const count = ref(0);
  const increment = () => {
    count.value += 1;
  }
</script>

<template>
<div>
  <p>count：{{ count }}</p>
  <button @click="increment">+1</button>
  </div>
</template>

<style>
</style>