<template>
<div id="app">
<h2>{{message}}</h2>
<h2>{{counter}}</h2>
<button @click="counter++">+</button>
<button @click="counter--">-</button>
</div>
</template>
<script>
export default {
name: 'App',
data(){
return {
message:'我是app组件',
counter:0
}
}
}
</script>
<style>
</style>
运行结果
