<template>
<div>
<div class="geyao">{{ geyao }}</div>
<button @click="changeName">修改</button>
</div>
</template>
<script>
//data 必须是函数
export default {
name: "geyao",
data() {
return {
geyao: "我是歌谣",
};
},
methods: {
changeName() {
this.geyao = "fangfang";
},
},
};
</script>
<style>
.geyao {
color: aquamarine;
}
</style>
运行结果
