<template>
<div>
<div class="firstLeverContainer" v-for="menu in menus">
<div class="firstLever close" @click="openOrLoadChild(menu)">
<span class="title">{{menu.menuName}}</span>
<span class="drop">
<i class="fa fa-angle-down"></i>
</span>
</div>
<div class="secondAllLeverContainer" v-bind:class="{isShow:isShow}">
<child-menu v-for="childMenu in childMenus"></child-menu>
</div>
</div>
</div>
</template>
比如:我点击第一元素,所有的secondAllLeverContainer都展开了,因为isShow是全局的,如何做,才能只执行当前循环体的中的事件呢