(二) Vue3 + Element-Plus 实现动态菜单栏

(二) Vue3 + Element-Plus 实现动态菜单栏 系列文章目录系列介绍：Vue3 + Vite + TS 从零开始学习项目搭建：(一) Vue3 + Vite + TS 项目搭建实现动态菜单栏：(二) Vue3 + Element-Plus 实现动态菜单栏实现动态面包屑：(三) Vue3 + Element-Plus 实现动态面包屑实现动态标签页：(四) Vue3 + Element-Plus 实现动态标签页实现动态主题色切换(demo)：(五) Vue3 + Element-Plus 实现动态主题色切换踩坑记录(持续更新)：(六) Vue3 踩坑记录文章目录系列文章目录一、引入依赖二、目录结构三、核心代码1. auth-api.js2. permission.js3.sidebar.vue4.router.js四、最终效果一、引入依赖

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开始前请确保已经安装以下依赖：

VueX$ npm i vuex --saveVue-Router$ npm i vue-router --saveNProgress$ npm i nprogress --save二、目录结构|-src -- 主目录---|api -- Ajax请求统一存放目录------|auth-api.js -- 路由数据获取接口---|js -- JS脚本------|permission.js -- NProgress进度条数据处理---|layout -- 页面布局组件------|sidebar.vue -- 侧边栏布局组件---|store -- VueX------|router.js -- 路由全局常量三、核心代码1. auth-api.jsimport request from '@/js/request'export default { routers(data) { return request.post('/routers', data) }}2. permission.jsimport router from '../router'import store from '../store'import NProgress from 'nprogress'import 'nprogress/nprogress.css'import { getCookie } from './cookie'import Layout from '../layout/index.vue'import ParentView from '../components/ParentView/index.vue'NProgress.configure({ showSpinner: false })const whiteList = ['/login', '/register']router.beforeEach((to, from, next) => { NProgress.start() if (getCookie()) { if (to.path === '/login') { next({ path: '/' }) NProgress.done() } else { if (store.state.user.menus.length === 0) { store.dispatch('GetInfo').then(res => { const menuIds = res.data.menuIds store.dispatch('GenerateRoutes', menuIds).then(routes => { filterRoutes(routes) routes.forEach(route => { router.addRoute(route) }) next({ ...to, replace: true }) }) }).catch(() => { next() }) } else { next() } } } else { if (whiteList.indexOf(to.path) !== -1) { next() } else { next(`/login?redirect=${to.fullPath}`) NProgress.done() } }})router.afterEach(() => { NProgress.done()})const filterRoutes = (routes) => { const accessRoutes = routes.filter(route => { let modules = import.meta.glob('../views/**/*.vue') if (route.component) { if (route.component === 'ParentView') { route.component = ParentView } else if (route.component === 'Layout') { route.component = Layout } else { route.component = modules[`../views/${route.component}.vue`] } } if (route.children && route.children.length) { filterRoutes(route.children) } return true }) return accessRoutes}3.sidebar.vue<template> <el-aside width="210px" class="aside-wrapper"> <el-scrollbar> <el-menu :default-active="route.path" mode="vertical" :collapse-transition="false" router class="menu-wrapper"> <el-sub-menu v-for="menu in menus" :key="menu.path" :index="menu.path"> <template #title> <el-icon><component :is="menu.meta.icon" /></el-icon> <span>{{ menu.name }}</span> </template> <el-menu-item v-for="child in menu.children" :key="child.path" :index="child.path"> <template #title> <el-icon><component :is="child.meta.icon" /></el-icon> <span>{{ child.name }}</span> </template> </el-menu-item> </el-sub-menu> </el-menu> </el-scrollbar> </el-aside></template><script lang="ts" setup>import { computed } from 'vue'import { useStore } from 'vuex'import { useRoute } from 'vue-router'const store = useStore()const route = useRoute()const menus = store.state.router.accessRoutes</script>4.router.jsimport { authApi } from '@/api'import constantRoutes from '@/router/routes'const router = { state: { routes: [], accessRoutes: [] }, mutations: { SET_ROUTES: (state, routes) => { state.routes = routes }, SET_ACCESSROUTES: (state, accessRoutes) => { state.accessRoutes = accessRoutes } }, actions: { GenerateRoutes({ commit }, roleIds) { return new Promise(resolve => { authApi.routers(roleIds).then(res => { const accessRoutes = res.data filterRoutes('', accessRoutes) const routes = constantRoutes.concat(accessRoutes) commit('SET_ROUTES', routes) commit('SET_ACCESSROUTES', accessRoutes) resolve(routes) }) }) } }}const filterRoutes = (path, routes) => { routes.forEach(route => { const routePath = route.path if (route.parentId !== '0') { route.path = path + "/" + routePath } if (route.children && route.children.length) { filterRoutes(routePath, route.children) } })}export default router四、最终效果