<!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>
.tabbtn{
background-color: greenyellow;
}
/* 交集选择器 */
.tabbtn.active{
background-color: hotpink;
}
</style>
</head>
<body>
<div id="app">
<div>
<button v-for="(item,index) in btns" :class=['tabbtn',{'active':tab==item+'-com'}] :key="index" @click="btnhandler(item)">{{item}}</button>
<p :is="tab">qweqwe</p>
</div>
</div>
<script src="../../vue.js"></script>
<script>
Vue.component("tab1-com", {template: "<h1>tab1</h1>"});
Vue.component("tab2-com", {template: "<h1>tab2</h1>"});
Vue.component("tab3-com", {template: "<h1>tab3</h1>"});
Vue.component("tab4-com", {template: "<h1>tab4</h1>"});
// root组件
const vm = new Vue({
el: '#app',
data: {
tab:'tab1-com',
btns: ['tab1', 'tab2', 'tab3', 'tab4']
},
methods: {
btnhandler(e) {
this.tab = e + '-com';
}
},
});
</script>
</body>
</html>