<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>vue-选项卡</title>
<style>
.box{
width:300px;
border:1px solid #000;
}
button{
width:100px;
height:50px;
}
.box div{
width:300px;
height:300px;
line-height:300px;
text-align: center;
font-size: 40px;
}
</style>
</head>
<body>
<div id="app">
<div class="box">
<button v-for="(item,index) in btnVal" :key="item.id" @click="card(index)">{{item}}</button>
<div v-text="textVal[indexA]"></div>
</div>
</div>
</body>
</html>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
let vm = new Vue({
el:'#app',
data:{
indexA: 0,
btnVal:["选项一","选项二","选项三"],
textVal:["内容一","内容二","内容三"]
},
methods:{
card(index){
this.indexA = index;
}
}
})
</script>
