一：搭建后台基本框架

二：配置导航菜单

三：配置标题和LOGO

😊样式

😊代码
⭐①Manager.vue

<template>
    <div>
        <!-- 头部区域 -->
       <div style="height: 60px;background-color: #3c7fff;display: flex;align-items: center">
          <div style="width:200px;display: flex;align-items: center;padding-left: 15px">
            <img style="width: 40px" src="@/assets/coffee.png" alt="">
            <span style="font-size:24px;color: white;margin-left: 5px">后台管理系统</span>
          </div>
          <div style="flex: 1"></div>
          <div style="width: fit-content;display: flex;align-items: center;padding-right: 10px">
             <img src="https://cube.elemecdn.com/3/7c/3ea6beec64369c2642b92c6726f1epng.png" alt="" style="width: 40px;height: 40px">
             <span style="color: white;margin-left:5px">丽丽猫</span>
          </div>
       </div>

        <!-- 下面区域 -->
        <div style="display: flex">
            <!-- 左侧导航菜单栏 -->
          <div style="width: 200px; border-right: 1px solid #ddd; min-height: calc(100vh-60px)">
            <el-menu router :default-active="currentPath" :default-openeds="['1']" style="border: 0">
              <el-menu-item index="/manager/home">
                <el-icon><House /></el-icon>
                系统首页
              </el-menu-item>
              <el-menu-item index="/manager/data">
                  <el-icon><DataAnalysis/></el-icon>
                  数据统计
                </el-menu-item>
              <el-sub-menu index="1">
                <template #title>
                  <el-icon><User /></el-icon>
                  <span>用户管理</span>
                </template>
                <el-menu-item>管理员信息</el-menu-item>
                <el-menu-item>普通用户信息</el-menu-item>
               </el-sub-menu> 
               <el-menu-item index="/manager/home">
                <el-icon><UserFilled /></el-icon>
                个人信息
              </el-menu-item>
               <el-menu-item index="/manager/home">
                <el-icon><SwitchButton /></el-icon>
                退出登录
              </el-menu-item>
            </el-menu>
          </div>
           <!-- 右侧主体区域 -->
            <div style="flex: 1;width: 0;background-color: #f5f7ff;padding: 10px">
               <RouterView/>
            </div>
        </div>
    </div>
</template>

<script setup>
import { DataAnalysis, InfoFilled, SwitchButton, User } from '@element-plus/icons-vue';
</script>

<style scoped>
.el-menu .is-active{
  background-color: #e6ecf7 !important;
}
</style>

⭐②Data.vue

<template>
    <div>
        <div class="card" style="margin-bottom: 5px">
            <el-input style="width: 240px;margin-right: 10px" v-model="data.name" placeholder="请输入名称查询" prefix-icon="Search"></el-input>
            <el-button type="primary">查询</el-button>           
            <el-button type="warning">重置</el-button>           
        </div>
        <div class="card" style="margin-bottom: 5px">
            <el-button type="primary">新增</el-button>           
            <el-button type="warning">批量删除</el-button>     
            <el-button type="info">导入</el-button>     
            <el-button type="success">导出</el-button>     
        </div>
        <div class="card" style="margin-bottom: 5px">
            <el-table :data="data.tableData" stripe>
                <el-table-column label="日期" prop="date"/>
                <el-table-column label="名称" prop="name"/>
                <el-table-column label="地址" prop="address"/>
            </el-table>
            <div style="margin-top: 15px">
              <el-pagination
                  v-model:current-page="data.pageNum"
                  v-model:page-size="data.pageSize"
                  :page-sizes="[5, 10, 15, 20]"
                  background
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="data.total"
              />
            </div>
        </div>
    </div>
</template>

<script setup>
import { reactive } from 'vue';
import { Search } from '@element-plus/icons-vue';
const data = reactive({
    name:null,
    tableData:[
    { id:1,date:'2024-12-11',name:'樱桃小丸子',address:'大阪'},
    { id:2,date:'2020-11-23',name:'哆啦A梦',address:'东京'},
    { id:3,date:'1995-05-02',name:'海贼王',address:'北海道'},
    ],
    pageNum:1,
    pageSize:10,
    total:47 
})
</script>

<style scoped>
.card{
    background-color:white;
    padding: 10px;
    border-radius: 5px;
    box-shadow:0 0 8px rgba(0,0,0,12) ;
}
</style>

⭐③#global.css

body{
    margin:0;
    padding: 0;
    font-size: 14px;
    color: #333;
}

.card{
    background-color:white;
    padding: 10px;
    border-radius: 5px;
    box-shadow:0 0 8px rgba(0,0,0,12) ;
}

⭐④index.js

import { createRouter, createWebHistory } from 'vue-router'

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  routes: [
    {path: '/', redirect: '/test'},
    {path: '/manager', component:() => import('../views/Manager.vue'),children:[
      {path: 'home', name: 'home',meta:{title:'主页'},component:() => import('../views/Home.vue')},
      {path: 'test', name: 'test', meta:{title:'测试数据页面'},component:() => import('../views/Test.vue')},
      {path: 'data', name: 'data', meta:{title:'数据展示页面'},component:() => import('../views/Data.vue')},
    ]},
    {path: '/404', name: '404', meta:{title:'404找不到页面'},component:() => import('../views/404.vue')},
    {path: '/:pathMatch(.*)', redirect:'/404'}
  ]
})

router.beforeEach((to,from,next) => {
   document.title = to.meta.title
   next()  // 必须调用这个函数才能实现跳转
})

export default router