<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 循环为选中的li列表添加效果</title>
</head>
<style>
li{
list-style: none;
}
.active {
background: rgba(135, 135, 135, 0.74);
20%;
color: #eee;
}
</style>
<body>
<script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
<div id="app">
<ul>
<li v-for='(data,key,index) in data' @click="addClassFun(index)"
v-bind:class='{active:index==classID}'>
{{data.data}}</li>
</ul>
</div>
<script>
new Vue({
el: '#app',
data: {
data: {
data1: {
data: "测试1",
ifAdd: 0
},
data2: {
data: "测试2",
ifAdd: 1
},
data3: {
data: "测试3",
ifAdd: 2
}
},
classID: "0"
},
mounted(){
$("ul li:first-child").addClass('active');//第一个默认选中
},
methods: {
addClassFun: function (index) {
this.classID = index;
$("ul li:first-child").removeClass('active'); 切换的时候第一个不要选中
}
}
})
</script>
</body>
</html>