摘要：
<template> <div> <ul class="tab-tilte"> <li v-for="(title,index) in tabTitle" @click="cur=index" :class="{active:cur==index}"> {{title}} </li> </ul> < 阅读全文
摘要：
<template> <div> <div v-for='(item,index) in arr' v-bind:class='{bg:index==isactive}' @click='fn(index)'> {{item}} </div> </div> </template> <script> 阅读全文