首页菜单添加补充计算属性
<template><div class="home-container"><div class="home-header">头部</div><div class="home-menu"><el-menuactive-text-color="#ffd04b"background-color="#545c64"class="el-menu-vertical-demo"default-active="2"text-color="#fff":unique-opened="true":router="true"><el-sub-menu v-for="menu in newMenus" :index="menu.id"><template #title><span>{{ menu.title }}</span></template><template v-for="submenu in menu.children"><el-menu-item v-if="submenu.hidden === 0" :index="submenu.id">{{ submenu.title }}</el-menu-item></template></el-sub-menu></el-menu></div>
<div class="home-content">右侧内容</div>
</div>
</template>
<script lang='ts' setup>
/**
{
id: {
title: "一级菜单"，
children: [
{title: "二级菜单"},
{title: "二级菜单"},
{title: "二级菜单"},
{title: "二级菜单"},
]
}
}
* */
import { computed } from 'vue'
import { useStore } from 'vuex'
interface MenuObj {
id: string
title: string
parentId: string
hidden: 0 | 1
children?: MenuObj[]
}
interface NewMenus {
[key: string]: MenuObj
}
const store = useStore();
const newMenus = computed<NewMenus>(() => store.getters.getNewMenus);console.log('newMenus---------home-----------', newMenus)
</script><style lang='less' scoped>.home-container {position: relative;height: 100%;.home-header {height: 70px;background-color: goldenrod;}.home-menu {position: absolute;top: 70px;left: 0;bottom: 0;width: 250px;background-color: #a37676;}.home-content {position: absolute;top: 70px;right: 0;left: 250px;bottom: 0;background-color: skyblue;}}
</style>通过actions方法封装用户信息请求
import { createStore } from 'vuex'
import { type App } from 'vue'
import { getAdminInfoApi } from '@/api/login'
interface MenuObj {
id: string
parentId: string
children?: MenuObj[]
}
interface State {
menus: MenuObj[]
}
interface NewMenus {
[key: string]: Partial<MenuObj>}const store = createStore<State>({state() {return {menus: []}},getters: {getNewMenus(state) {const newMenus: NewMenus = {}const menus = state.menusfor (let i = 0; i < menus.length; i++) {const menu = menus[i] as MenuObjif (menu.parentId === '0') {// 一级菜单：初始化 children 为空数组，方便后续 pushnewMenus[menu.id] = {...menus[i],children: newMenus[menu.id]?.children || []}} else {// 子级菜单：根据 parentId 找到对应的父级const parentId = menu.parentIdnewMenus[parentId] = newMenus[parentId] || {}newMenus[parentId].children = newMenus[parentId].children || []newMenus[parentId].children.push(menu)}}console.log('newMenus--------------------', newMenus)return newMenus;}},mutations: {updateMenus(state, menus) {console.log('updateMenus--->', state, menus)state.menus = menus}},actions: {getAdminInfoApi({ commit }) {return new Promise((resolve, reject) => {getAdminInfoApi().then((res) => {if(res.code === 200) {// 用户信息存储到vuexcommit('updateMenus', res.data.menus)resolve(res.data)}else {reject(res)}})})}},modules: {}})export const initStore = (app: App<Element>) => {app.use(store)}export default store使用这个封装的方法改造路由
import {
createRouter,
createWebHashHistory,
type RouteRecordRaw
} from 'vue-router'
import { type App } from 'vue'
import store from '../store'
import Cookie from 'js-cookie'
const routes: RouteRecordRaw[] = [
{
path: '/',
redirect: '/login'
},
{
path: '/login',
name: 'login',
component: () => import('../views/login/login.vue')
},
{
path: '/home',
name: 'home',
component: () => import('../views/home/home.vue')
}
]
const router = createRouter({
history: createWebHashHistory(),
routes // 路由配置
})
// 前置导航守卫
router.beforeEach((to, from, next) => {
// 1、token && vuex里面的 menus 为空
const token = Cookie.get('token')
console.log(store)
if(token && store.state.menus.length === 0) {
console.log('menus为空')
// 获取用户信息
store.dispatch('getAdminInfoApi');
}
next()
})
export const initRouter = (app: App<Element>) => {app.use(router)}使用这个封装的方法改造登录页面
<template><div class="login-rule-form"><div class="content"><div class="title">商品管理系统</div><el-form ref="ruleFormRef" :model="ruleForm" status-icon :rules="rules" label-width="60px"><el-form-item prop="username" label="账号"><el-input v-model="ruleForm.username" type="text" placeholder="请输入账号"/></el-form-item><el-form-item prop="pwd" label="密码"><el-input v-model="ruleForm.pwd" type="password" placeholder="请输入密码"/></el-form-item><el-form-item><el-button type="primary" @click="loginFn()">登录</el-button></el-form-item></el-form></div></div>
</template><script lang='ts' setup>import { onMounted, reactive, ref } from 'vue'import { adminLoginApi, getAdminInfoApi } from '@/api/login'import Cookie from 'js-cookie'import { ElMessage } from 'element-plus'import { useRouter } from 'vue-router'import { useStore } from 'vuex'let ruleForm = reactive({username: "",pwd: ""})// 自定义密码校验规则（_variable - 未使用的变量 ts不校验）const validatePwd = (_rule: unknown, value: string | undefined, callback: (msg?: string) => void) => {if(!value) {callback('密码不能为空')} else {callback()}}// 校验规则let rules = reactive({username: [{required: true,message: '用户名不能为空',trigger: 'blur'}],pwd: [{required: true,validator: validatePwd,trigger: 'blur'}]})// 获取el-form组件对象let ruleFormRef = ref()// 获取项目路由对象let router = useRouter()// 获取当前项目的vuex对象let store = useStore()onMounted(() => {// console.log('组件实例:', ruleFormRef.value)// console.log('DOM 元素:', ruleFormRef.value?.$el)})// 点击登录const loginFn = () => {ruleFormRef.value.validate().then(() => {adminLoginApi({username: ruleForm.username,password: ruleForm.pwd}).then((res) => {if(res.code === 200) {// 储存cookieCookie.set('token', res.data.token, { expires: 7 })ElMessage.success('登录成功')// 获取用户信息store.dispatch('getAdminInfoApi').then(res => {// 跳转home页面router.push('/home')})} else {ElMessage.error('登录报错')}})}).catch(() => {console.log('校验不通过')})}
</script><style lang='less' scoped>.login-rule-form {width: 100%;height: 100vh;display: flex;justify-content: center;align-items: center;background-color: #f5f5f5;overflow: hidden;box-sizing: border-box;margin: 0;padding: 0;.content {width: 420px;padding: 40px;background-color: #fff;border-radius: 8px;box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);box-sizing: border-box;.title {font-size: 28px;font-weight: bold;text-align: center;margin-bottom: 30px;}}:deep(.el-form) {.el-form-item {margin-bottom: 20px;&:last-child {margin-bottom: 0;}}.el-button {width: 100%;}}}
</style>
