Vu3+Element-Plus根据路由配置生成菜单导航栏

先看效果,整体界面结构如下

image

点击左侧菜单栏,右侧切换显示不同页面内容。

Vue3使用路由–南河小站

1 路由配置

路由配置如下:

const routes = [  {    path: "",    component: () => import("@/layout/baseView.vue"),    redirect: "/index",    children: [      {        path: "/index",        name: "首页",        icon: "SwitchButton",        hidden: false,        component: () => import("@/page/dashboard/dashboard.vue"),      },      {        path: "/content",        name: "内容",        icon: "Discount",        hidden: false,        component: () => import("@/layout/rightView.vue"),        children: [          {            path: "manage-comment",            icon: "MessageBox",            name: "管理评论",            hidden: false,            component: () => import("@/page/content/manageComment.vue"),          },          {            path: "manage-image",            icon: "Odometer",            name: "管理图片",            hidden: false,            component: () => import("@/page/content/manageImage.vue"),          },        ],      },      {        path: "/user",        icon: "UserFilled",        name: "用户",        hidden: false,        component: () => import("@/layout/rightView.vue"),        children: [          {            path: "list",            icon: "User",            name: "用户列表",            hidden: false,            component: () => import("@/page/user/list.vue"),          },          {            path: "reset-pwd",            icon: "Unlock",            name: "重置密码",            hidden: false,            component: () => import("@/page/user/resetPwd.vue"),          },         // ....        ],      },      {        path: "/operation",        icon: "Operation",        name: "运维",        hidden: false,        component: () => import("@/layout/rightView.vue"),        children: [          {            path: "mange-category",            icon: "Edit",            hidden: false,            name: "管理分类",            component: () => import("@/page/operation/manageCategory.vue"),          },          {            path: "mange-carousel",            icon: "Crop",            name: "管理轮播图",            hidden: false,            component: () => import("@/page/operation/manageCarousel.vue"),          },        ],      },          ],  },  {    path: "/login",    hidden: true,    component: () => import("@/page/login/login.vue"),  },];

说明:

@/layout/baseView.vue是整体页面结构

@/layout/rightView.vue是公共页面用于显示数据内容。

@/page/login/login.vue是登陆页面

2 页面结构

右侧数据内容视图是动态的,其它整个页面结构是固定的,因此提取baseView.vue作为页面基本结构。

登录界面是另一个页面整体,因此login.vue和基本结构页面baseView.vue都在App.vue页面中通过路由进行切换,因此App.vue中添加router-view进行动态路由渲染。

<template>  <div id="app">    <router-view></router-view>  </div></template>

左侧菜单导航,菜单是根据路由进行动态渲染的,所以将路由生成菜单抽取为独立组组件leftMenuBar.vue。在mounted()中获取路由配置

export default {  data() {    return {      menuList: [],    };  },  mounted() {    let routes = router.options.routes;    this.menuList = routes[0].children;    console.log(this.menuList);  },};

⚠️Vue3通过router.options.routes 获取配置的路由

在右侧数据视图页面rightView.vue添加router-view标签

<template>  <div class="right-view">    <div class="header"></div>    <div class="content">      <router-view></router-view>    </div>  </div></template>

3 结合Element-plus 生成菜单导航

导入Element-plus

遍历路由通过element-plusMenu组件生成菜单导航,完整的代码如下:

<template>  <div>    <el-menu      default-active="0"      :unique-opened="true"      class="el-menu-vertical-demo"    >      <template v-for="(item, index) in menuList" :key="index">        <router-link :to="item.path" v-if="!item.children" :key="index">          <el-menu-item :index="index + ''">            <el-icon><component :is="item.icon"></component></el-icon>            <span>{{ item.name }}</span>          </el-menu-item>        </router-link>         <el-sub-menu :index="index + ''" v-else>          <template #title>            <el-icon><component :is="item.icon"></component></el-icon>            <span>{{ item.name }}</span>          </template>          <router-link            :to="item.path + '/' + sub.path"            v-for="(sub, subIndex) in item.children"            :key="subIndex"          >            <el-menu-item :index="index + '-' + subIndex">              <el-icon><component :is="sub.icon"></component></el-icon>              <span>{{ sub.name }}</span>            </el-menu-item>          </router-link>        </el-sub-menu>      </template>    </el-menu>  </div></template>

4 设置菜单图标

由于element-plus使用svg 图标,复制的代码是<el-icon><Search /></el-icon>这样的,因此在遍历路由时,就不能通过<i :calss = "xxxx"></i>设置了,要通过<el-icon><component :is="xxxx"></component></el-icon>来设置,:is绑定的是icon的名称

    <el-icon><component :is="item.icon"></component></el-icon>

image

⚠️这个地方element不同,element使用的是font-class的图标,可用 直接绑定

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