前端学习（1883）vue之电商管理系统电商系统之每次只能打开一个菜单项并解决边框问题

目录结构

router.js

import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'Vue.use(Router)const router= new Router({routes:[{path:'/',redirect:'/login'},{path:'/login',component:Login},{path:'/home',component:Home}]
})
//挂载路由导航守卫
router.beforeEach((to,from,next)=>{if(to.path==='/login') return next();//获取tokenconst tokenStr=window.sessionStorage.getItem('token')if(!tokenStr) return next('/login')next();
})export default router

<template><div class="login_container"><div class="login_box"><div class="avatar_box"><img src="../assets/logo.png"></div><!-- 表单区域--><el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form"><!-- 登录区域--><el-form-item prop="username"><el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input></el-form-item><el-form-item prop="password"><el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input></el-form-item><el-form-item class="btns"><el-button type="primary" @click="login">登录</el-button><el-button type="info" @click="resetLoginForm">重置</el-button></el-form-item></el-form></div>
</div></template><script>
export default{data(){return{//这是登录表单的数据loginForm:{username:'geyao',password:'12345678'},// 表单验证loginFormRules: {username: [{ required: true, message: '请输入用户名', trigger: 'blur' },{ min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }],password: [{ required: true, message: '请输入用户密码', trigger: 'blur' },{ min: 6, max: 18, message: '长度在 6 到 18 个字符', trigger: 'blur' }]}}},methods:{resetLoginForm(){// console.log(this)this.$refs.loginFormRef.resetFields();},login(){this.$refs.loginFormRef.validate(async valid =>{if(!valid) return;const {data:res}=await this.$http.post('login',this.loginForm);if(res.meta.status!==200) return this.$message.error('登录失败');this.$message.success('登录成功');// 1、将登陆成功之后的token, 保存到客户端的sessionStorage中; //   1.1 项目中出现了登录之外的其他API接口，必须在登陆之后才能访问//   1.2 token 只应在当前网站打开期间生效，所以将token保存在window.sessionStorage.setItem('token', res.data.token)// 2、通过编程式导航跳转到后台主页, 路由地址为：/homethis.$router.push('/home')});}}
}
</script><style lang="less" scoped>
.login_container {background-color: #2b4b6b;height: 100%;
}
.login_box {width: 450px;height: 360px;background-color: #fff;border-radius: 3px;position: absolute;left: 50%;top: 50%;-webkit-transform: translate(-50%, -50%);background-color: #fff;
}.avatar_box {width: 130px;height: 130px;border: 1px solid #eee;border-radius: 50%;padding: 10px;box-shadow: 0 0 10px #ddd;position: absolute;left: 50%;transform: translate(-50%, -50%);background-color: #fff;img {width: 100%;height: 100%;border-radius: 50%;background-color: #eee;}}.login_form {position: absolute;bottom: 60px;width: 100%;padding: 0 20px;box-sizing: border-box;
}.btns {display: flex;justify-content: center;
}
</style>

main.js

import Vue from 'vue'
import App from './App.vue'
import router from './router'
import './plugins/element.js'
//导入字体图标
import './assets/fonts/iconfont.css'
Vue.config.productionTip = false
//导入全局样式
import './assets/css/global.css'import axios from 'axios'
Vue.prototype.$http=axios
axios.defaults.baseURL="http://127.0.0.1:8888/api/private/v1/"
// 请求在到达服务器之前，先会调用use中的这个回调函数来添加请求头信息
axios.interceptors.request.use(config => {// console.log(config)// 为请求头对象，添加token验证的Authorization字段config.headers.Authorization = window.sessionStorage.getItem('token')// 在最后必须 return configreturn config
})
Vue.config.productionTip=false;
new Vue({router,render: h => h(App)
}).$mount('#app')

global.css

/* 全局样式 */
html,
body,
#app {height: 100%;margin: 0;padding: 0;}

element.js

import Vue from 'vue'//弹框提示
import {Message,Button,Form,FormItem,Input,Container,Header,Aside,Main,Menu,Submenu,MenuItemGroup,MenuItem,
} from 'element-ui'
Vue.use(Button)
Vue.use(Form)
Vue.use(FormItem)
Vue.use(Input)
Vue.use(Container)
Vue.use(Header)
Vue.use(Aside)
Vue.use(Main)
Vue.use(Menu)
Vue.use(Submenu)
Vue.use(MenuItemGroup)
Vue.use(MenuItem)
Vue.prototype.$message = Message

Home.vue

<template><el-container class="home-container"><el-header>Header<div><img src="../assets/logo.png" alt /><span>电商管理系统</span></div>
<el-button type="info" @click="logout">退出</el-button></el-header><el-container><el-aside width="200px"><el-menu  background-color="#333744" text-color="#fff" active-text-color="#409FFF" :unique-opened="true"><!-- :unique-opened="true"->只允许展开一个菜单 --><!-- :unique-opened="true"->只允许展开一个菜单 --><!-- :collapse-transition="false" -> 关闭动画 --><!-- router -> 导航开启路由模式 --><!-- 一级菜单  --><el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id"><!-- 一级菜单的模板区域 --><template slot="title"><i :class="iconObj[item.id]"></i><span>{{item.authName}}</span></template><!-- 二级菜单 --><el-menu-item :index="subItem.id+''" v-for="subItem in item.children" :key="subItem.id"><template slot="title"><i class="el-icon-menu"></i><span>{{subItem.authName}}</span></template></el-menu-item></el-submenu></el-menu></el-aside><el-main>Main</el-main>
</el-container>
</el-container>
</template><script>
export default{data(){return{menulist:[],iconObj: {'125': 'iconfont icon-user','103': 'iconfont icon-tijikongjian','101': 'iconfont icon-shangpin','102': 'iconfont icon-danju','145': 'iconfont icon-baobiao'}}},//获取所有菜单created () {this.getMenuList()// this.activePath = window.sessionStorage.getItem('activePath')},methods:{logout(){window.sessionStorage.clear();this.$router.push("/login");},// 获取请求菜单async getMenuList () {const { data: res } = await this.$http.get('menus')if (res.meta.status !== 200) return this.$message.error(res.meta.msg)this.menulist = res.dataconsole.log(res)},}
};
</script><style lang="less" scoped>
.home-container{height: 100%;
}
.el-header {background-color: #373f41;display: flex;justify-content: space-between;padding-left: 0;align-items: center;color: #fff;font-size: 20px;> div {display: flex;align-items: center;img {height: 40px;}span {margin-left: 15px;}}
}
.el-aside {background-color: #333744;.el-menu{border-right: none;}}
.el-main {background-color: #eaedf1;
}
.iconfont{margin-right: 10px;
}
</style>

.prettierrc

{"semi":false,"singleQuote":true
}

eslintrc.js

module.exports = {root: true,env: {node: true},extends: ['plugin:vue/essential','@vue/standard'],parserOptions: {parser: 'babel-eslint'},rules: {'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off','no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off','space-before-function-paren':0}
}

运行结果