<!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>Document</title>
<style>
.btnAtive{
background: red;
color: #fff;
}
.container{
200px;
height: 200px;
overflow: hidden;
background: #ccc;
}
.container>div{
200px;
height: 200px;
}
</style>
</head>
<body>
<div id="app">
<button v-for="(item,index) in btns"
:class="activeIndex == index?'btnAtive':''"
@click="handleToggle(index)"
>{{item}}</button>
<div class="container">
<div v-for="(item,index) in contents" v-show="activeIndex == index">{{item}}</div>
</div>
</div>
</body>
</html>
<script src="./vue.js"></script>
<script>
var vm = new Vue({
el:"#app",
data:{
btns:["按钮一","按钮二","按钮三"],
contents:[
"内容一",
"内容二",
"内容三"
],
activeIndex:0
},
methods:{
handleToggle(index){
this.activeIndex = index;
}
}
})
</script>