vue.js实现左边导航切换右边内容

<template>
 <div class="layout-container">
 <y-header>
 <div slot="nav"></div>
 </y-header>
 <div class="w">
 <div class="content">
 <div class="account-sidebar">
  <div class="gray-box ">
  <div class="box-inner">
  <ul class="account-nav">
  <li v-for="(item,i) in nav" :key='i'>
   <a href="javascript:;" >
   <div class="account-nav-primary" @click="tabPrimary(item)" :class="{active:item.isActive}">
    <span>{{item.name}}</span>
    <i class="el-icon-arrow-right"></i>
   </div>
   </a>
   <div v-if="item.secondNav==true">
    <ul class="account-nav-second" v-show="show">
    <li v-for="(itemT,j) in item.navSecond" :key='j' :class="{active:itemT.name===title}"
     @click="tabSecond(itemT)">
     <span>{{itemT.name}}</span>
    </li>
    </ul>
   </div>
  </li>
  </ul>
  </div>
  </div>
  <div class="gray-box sidebar-bottom content-center">
  <div class="img-code">
   <img src="/UploadFiles/2021-04-02/img-code.png">

效果图：





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