<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<style>
#app>div{
font-size: 50px;
}
.colorChange{
background-color: red;
}
</style>
</head>
<body>
<div id='app'>
<span :style="style" @click="one(index)" v-for="(item,key,index) in obj" :class="indexs == index?'colorChange':''">{{key}}</span>
<div v-for='(item,key,index) in obj' v-show='index == indexs'>{{item}}</div>
</div>
</body>
<script>
const vm = new Vue({
el: "#app",
data: {
obj:{
'title1' : 'content1',
'title2' : 'content2',
'title3' : 'content3'
},
indexs : 0,
style:{
'border':'1px solid red',
'padding':'5px 14px'
}
},
methods: {
// 点击事件
one(index){
this.indexs = index;
}
},
});
</script>
</html>
