tab标签切换
* 标签与内容一一对应
指令
* v-for
* v-for ...in
* v-for ...of
- v-on
配置选项- methods
<!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>v-for列表循环</title>
<link rel="stylesheet" href="bootstrap.css">
</head>
<body>
<div id="app" class="p-5">
<ul class="nav nav-tabs">
<li class="nav-item" v-for="(tab,idx) in tabs" @click="changeTab(idx)">
<a :class="{'nav-link':true,active:idx===activeIndex}" href="#">{{tab}}</a>
</li>
</ul>
<div class="card" v-for="(con,idx) of contents" v-show="idx===activeIndex">
<div class="card-body">
{{tabs[idx] + '最爱' + con}}
</div>
</div>
</div>
<script src="vue.js"></script>
<script>
let vm = new Vue({
el:'#app',
data:{
tabs:['aa','bb','cc','dd','ee'],
contents:['写代码','买买买','大保健','刷牙','跟着tiantian大保健'],
activeIndex:0 //高亮tab的索引值
},
// 配置方法（事件处理函数等...）
methods:{
changeTab(idx){
// 事件处理函数中的this指向Vue的实例
this.activeIndex = idx
}
}
})
</script>
</body>
</html>