vue點擊菜單不跳轉頁面只是切換主體部分內容即切換組件

<template>   <div>     <div class="nav">       <el-row :gutter="20">         <el-col :span="3" @click.native="menuChange('Home')"  ><div class="grid-content bg-purple">首頁</div></el-col>         <el-co

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