原文轉載地址：https://www.cnblogs.com/wenb/p/7611477.html
代碼實例如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 測試實例</title>
</head>
<style>
.class1{
background: #444;
color: #eee;
}
</style>
<body>
<script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
<div id="app">
<p v-for='(data,key,index) in datas' v-on:click="addClassFun(index)" v-bind:class='{class1:index==qwerqwre}'>{{data.data}}</p>
</div>
<script>
new Vue({
el: '#app',
data: {
datas: {
data1: {
data: "測試1",
ifAdd: 0
},
data2: {
data: "測試2",
ifAdd: 1
},
data3: {
data: "測試3",
ifAdd: 2
}
},
qwerqwre:"0"
},
methods: {
addClassFun: function(index) {
this.qwerqwre = index;
}
}
})
</script>
</body>
</html>
呈現效果圖：
