<!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>
<style type="text/css">
.tab ul {
overflow: hidden;
padding: 0;
margin: 0;
}
.tab ul li {
box-sizing: border-box;
padding: 0;
float: left;
width: 200px;
height: 60px;
line-height: 45px;
list-style: none;
text-align: center;
border-top: 1px solid blue;
border-right: 1px solid blue;
cursor: pointer;
}
.tab ul li:first-child{
border-left: 1px solid blue;
}
.tab ul li.active{
background-color: red;
}
.tab div{
width: 598px;
height: 400px;
display: none;
text-align: center;
font-size: 30px;
line-height: 300px;
border: 1px solid blue;
border-top: 0px;
}
.tab div.current{
display: block;
}
.tab img{
width: 598px;
height: 400px;
}
</style>
</head>
<body>
<div id="app">
<div class="tab">
<ul>
<li v-on:click='change(index)' :class='currentIndex==index?"active":""' :key='item.id' v-for='(item,index) in list'>{{item.title}}</li>
</ul>
<div :class='currentIndex==index?"current":""' :key='item.id' v-for='(item,index) in list'>
<img :src="item.path">
</div>
</div>
</div>
<script type="text/javascript" src="vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
el:'#app',
data:{
currentIndex:0, //选项卡当前的索引
list:[{
id:1,
title:'apple',
path:'https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fbaidu-mip.xianjichina.com%2Fdata%2Fediter%2F20170316%2Fimage%2F20c072806d15bd65ea34b00d0fc8f4e9.jpg&refer=http%3A%2F%2Fbaidu-mip.xianjichina.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1628328239&t=bb33bff7b02cc5dd45c59dc079032e45',
},{
id:2,
title:'orange',
path:'https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fhgdy.vip%2Fd%2Ffile%2F20171227%2F2017122761396297.jpg&refer=http%3A%2F%2Fhgdy.vip&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1628328280&t=b49783cc51b2ecc98efb2f3cee72cc59',
},{
id:3,
title:'lemon',
path:'https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.jdgfgyt.com%2Fuploadfile%2F2020%2F0304%2F20200304041448778.jpg&refer=http%3A%2F%2Fwww.jdgfgyt.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1628328310&t=0d5ed8776caca1a705869c7bd8a94c7b',
}]
},
methods:{
change:function(index){
// 在这里实现选项卡切换操作: 本质就是操作类名
// 就是通过currentIndex
this.currentIndex = index;
}
},
})
</script>
</body>
</html>