<!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>
.att{
color: red;
}
</style>
</head>
<body>
<div id="app">
<ul>
<li v-for="(item,index) in movies" :class="count==index ? 'att' :''" @click='current(index)'>{{item}}</li>
</ul>
</div>
<script>
const app = new Vue({
el: '#app',
data: {
count: 0,
movies:['海王','冰雪奇缘','星际穿越','少年派'],
},
methods : {
current:function(index){
//index返回的是当前下标
this.count = index;
}
}
});
</script>
</body>
</html>
本文地址：https://blog.csdn.net/Twilight_b/article/details/112586840
