示例图：
代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<style type="text/css">
html,body {
padding: 0;
margin: 0;
}
a {
text-decoration: none;
}
#app {
height: 600px;
text-align: center;
border: 1px solid #C4E3F3;
background: palegoldenrod;
}
nav {
background: pink;
width: 900px;
margin: 0px auto;
height: 100px;
line-height: 100px;
margin-top: 100px;
}
nav a {
color: #f7f5f5;
display: inline-block;
width: 100px;
height: 60px;
line-height: 60px;
margin-right: 30px;
background: #876b98;
}
nav a:last-child {
margin-right: 0px;
}
.active {
background: #257916;
}
.content {
width: 900px;
height: 200px;
margin: 0 auto;
background: #bf8f06;
}
</style>
<body>
<div id="app">
<nav>
<a href="#" @click="addbg(i,item)" v-for="(item,i) in text" :class="{active:i!=nowIndex}">{{item}}</a>
</nav>
<div v-show="nowIndex === 0" class="content">
11111111111111111111111111111111111
</div>
<div v-show="nowIndex === 1" class="content">
2222222222222222222222222222222222
</div>
<div v-show="nowIndex === 2" class="content">
3333333333333333333333333333333333
</div>
<div v-show="nowIndex === 3" class="content">
444444444444444444444444444444444
</div>
</div>
<script type="text/javascript">
var demo = new Vue({
el: '#app',
data: {
nowIndex: 0,
active_text: '菜单一',
text: ['菜单一', '菜单二', '菜单三', '菜单四']
},
methods: {
addbg: function(index, active_text) {
this.nowIndex = index;
this.active_text = active_text;
}
}
})
</script>
</body>
</html>
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