ElementUI之动态树+数据表格+分页-＞动态树,动态表格

• 动态树
• 动态表格

1.动态树

//src/components/LeftNav.vue
<template>
  <el-menu router :default-active="$route.path" default-active="2" class="el-menu-vertical-demo" background-color="#334157" text-color="#fff"
    active-text-color="#ffd04b" :collapse="collapsed">
    <!-- <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path" unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b"> -->
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>

    <el-submenu v-for="m in menus" :index="'idx_'+m.id" :key="'key_'+m.id">
      <template slot="title">
        <i :class="m.icon"></i>
        <span>{
  {m.text}}</span>
      </template>
      <el-menu-item v-for="m2 in m.modules" :index="m2.url" :key="'key_'+m2.id">
        <i :class="m2.icon"></i>
        <span>{
  {m2.text}}</span>
        <span></span>
      </el-menu-item>
    </el-submenu>
    <!-- <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location"></i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template slot="title">分组一</template>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</