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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.tab ul {
overflow: hidden;
padding: 0;
margin: 0;
}
.tab ul li {
box-sizing: border-box;
padding: 0;
float: left;
width: 100px;
height: 45px;
line-height: 45px;
list-style: none;
text-align: center;
border-top: 1px solid blue;
border-right: 1px solid blue;
border-bottom: 1px solid blue;
cursor: pointer;
}
.tab ul li:first-child {
border-left: 1px solid blue;
}
.tab ul li.active {
background-color: orange;
}
.tab div {
width: 500px;
height: 300px;
display: none;
text-align: center;
font-style: 30px;
line-height: 300px;
border: 1px solid blue;
border-top: 0px;
}
.tab div.current {
margin-top: 0px;
width: 300px;
height: 300px;
display: block;
}
img {
width: 300px;
height: 300px;
}
</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>
<img src="images/柠檬.jpg">
</div>
</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
el: '#app',
/*数据*/
data: {
currentIndex: 0,
/*当前索引*/
list: [{
id: 1,
title: 'apple',
path: 'images/苹果.jpg'
}, {
id: 2,
title: 'orange',
path: 'images/橘子.jpg'
}, {
id: 3,
title: 'lemon',
path: 'images/柠檬.jpg'
}]
},
/*js控制逻辑*/
methods: {
// 在这里实现选项卡切换操作：本质就是操作类名
// 如何操作类名？就是通过currentIndex
change: function(index) {
this.currentIndex = index
}
}
})
</script>
</body>
</html>
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