vue 挂载路由到头部导航的方法(2)

<template>
 <el-row>
  <!-- 左边logo -->
  <el-col :span="4" class="logo">
   <img src="../assets/logo.png" alt="">
  </el-col>
  <!-- 中间导航区域 -->
  <el-col :span="16">
   <el-menu
    :default-active="$route.path" 
    class="menu"
    router
    mode="horizontal"
    @select="handleSelect"
    background-color="#545c64"
    text-color="#fff"
    active-text-color="#ffd04b">
    <!-- 循环写的路由，其中路由中有 hidden：true 的就不加入循环 -->
    <template 
     v-for="route in $router.options.routes" 
     v-if="!route.hidden">

     <!-- 循环没有children的路由 -->
     <el-menu-item
      v-if="!route.hasChild" 
      :key="route.path" 
      :index="route.path" >
      {{ route.name }}
     </el-menu-item>

     <!-- 循环有children的路由 -->
     <el-submenu v-else :index="route.path">
      <template slot="title">{{ route.name }}</template>
      <el-menu-item 
       v-for="child in route.children" 
       :index="child.path"
       :key="child.path">
       {{ child.name }}
      </el-menu-item>
     </el-submenu>

    </template>
   </el-menu>
  </el-col>
  <!-- 右边用户信息以及登陆注册 -->
  <el-button-group>
   <el-button type="danger" size="small" round >login</el-button>
   <el-button type="success" size="small" round >regin</el-button>
  </el-button-group>
  
 </el-row>
</template>
<script>
export default {
 // ...
 methods: {
  handleSelect () {
   console.log('菜单选择之后的回调操作')
  }
 }
}
</script>
<style scoped>

</style>