vue点击div更换颜色

<template>
	<div class="box" :class="boxColor =! boxColor"></div>
</template>

<script>
	export default {
		data (){
			return {
				boxColor: false
			}
		},
		methods:{}
	}
</script>

<style>
	.box{
		width: 100px;
		height: 100px;
		background: red;
	}
	.boxColor{
		width: 100px;
		height: 100px;
		background: yellow;
		border: 1px solid #ccc
	}
</style>