目录
前端路由小案例（后台管理小案例）
1 项目整体功能演示
进入网站自动进入登录页面：
登录成功自动存储token，然后跳转到登录成功页面：
左边功能栏可以切换：
点击用户管理的操作可以跳转到用户详情页面，并却可以回退到上一步：
完了之后可以退出登录，并清除token，然后跳转到登录页面。
2 案例用到的知识点
命名路由
路由重定向
导航守卫
嵌套路由
动态路由匹配
编程式导航
项目完整源码下载：
1. gitee:https://gitee.com/xingyueqianduan/qianduanrouter
https://gitee.com/xingyueqianduan/qianduanrouter
https://github.com/858399075/vue-routerdemo3 主要代码
3.1 app.vue
<template>
<router-view></router-view>
</template>
<script>
export default {
name: 'MyApp',
}
</script>
<style lang="less" scoped>
</style>
3.2 MyHome.vue
<template>
<div class="home-container">
<!-- 头部区域 -->
<MyHeader></MyHeader>
<!-- 页面主体区域 -->
<div class="home-main-box">
<!-- 左侧边栏 -->
<MyAside></MyAside>
<!-- 右侧内容主体 -->
<div class="home-main-body">
<router-view></router-view>
</div>
</div>
</div>
</template>
<script>
// 头部区域组件
import MyHeader from './subcomponents/MyHeader.vue'
// 左侧边栏组件
import MyAside from './subcomponents/MyAside.vue'
export default {
name: 'MyHome',
// 注册组件
components: {
MyHeader,
MyAside,
},
}
</script>
<style lang="less" scoped>
.home-container {
height: 100%;
display: flex;
flex-direction: column;
.home-main-box {
height: 100%;
display: flex;
.home-main-body {
padding: 15px;
flex: 1;
}
}
}
</style>3.3 MyLogin.vue
<template>
<div class="login-container">
<div class="login-box">
<!-- 头像区域 -->
<div class="text-center avatar-box">
<img src="../assets/logo.png" class="img-thumbnail avatar" alt="">
</div>
<!-- 表单区域 -->
<div class="form-login p-4">
<!-- 登录名称 -->
<div class="form-group form-inline">
<label for="username">登录名称</label>
<input type="text" class="form-control ml-2" id="username" placeholder="请输入登录名称" v-model.trim="username" autocomplete="off">
</div>
<!-- 登录密码 -->
<div class="form-group form-inline">
<label for="password">登录密码</label>
<input type="password" class="form-control ml-2" id="password" placeholder="请输入登录密码" v-model.trim="password">
</div>
<!-- 登录和重置按钮 -->
<div class="form-group form-inline d-flex justify-content-end">
<button type="button" class="btn btn-secondary mr-2" @click="reset">重置</button>
<button type="button" class="btn btn-primary" @click="login">登录</button>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: 'MyLogin',
data(){
return{
username:'',
password:''
}
},
methods:{
reset(){
this.username = '',
this.password = ''
},
login(){
if(this.username === 'admin' && this.password === '666666'){
//登录成功
//1.存储token
//2.跳转到后台主页
localStorage.setItem('token','Bearer xxx')
this.$router.push('/home')
}else{
//登录失败
localStorage.removeItem('token')
alert('登录失败！')
this.username = ''
this.password = ''
}
}
}
}
</script>
<style lang="less" scoped>
.login-container {
background-color: #35495e;
height: 100%;
.login-box {
width: 400px;
height: 250px;
background-color: #fff;
border-radius: 3px;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
.form-login {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
box-sizing: border-box;
}
}
}
.form-control {
flex: 1;
}
.avatar-box {
position: absolute;
width: 100%;
top: -65px;
left: 0;
.avatar {
width: 120px;
height: 120px;
border-radius: 50% !important;
box-shadow: 0 0 6px #efefef;
}
}
</style>3.4 MyAside.vue
<template>
<div class="layout-aside-container">
<!-- 左侧边栏列表 -->
<ul class="user-select-none menu">
<li class="menu-item">
<router-link to="/home/users">用户管理</router-link>
</li>
<li class="menu-item">
<router-link to="/home/rights">权限管理</router-link>
</li>
<li class="menu-item">
<router-link to="/home/goods">商品管理</router-link>
</li>
<li class="menu-item">
<router-link to="orders">订单管理</router-link>
</li>
<li class="menu-item">
<router-link to="setting">系统设置</router-link>
</li>
</ul>
</div>
</template>
<script>
export default {
name: 'MyAside',
}
</script>
<style lang="less" scoped>
.layout-aside-container {
width: 250px;
height: 100%;
border-right: 1px solid #eaeaea;
}
.menu {
list-style-type: none;
padding: 0;
.menu-item {
line-height: 50px;
font-weight: bold;
font-size: 14px;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
&:hover {
background-color: #efefef;
cursor: pointer;
}
a {
display: block;
color: black;
padding-left: 30px;
&:hover {
text-decoration: none;
}
}
}
}
// 设置路由高亮效果
.router-link-active {
background-color: #efefef;
box-sizing: border-box;
position: relative;
// 伪元素实现路由高亮效果
&::before {
content: ' ';
display: block;
width: 4px;
height: 100%;
position: absolute;
left: 0;
top: 0;
background-color: #42b983;
}
}
</style>3.5 MyHeader.vue
<template>
<div class="layout-header-container d-flex justify-content-between align-items-center p-3">
<!-- 左侧 logo 和 标题区域 -->
<div class="layout-header-left d-flex align-items-center user-select-none">
<!-- logo -->
<!-- <img class="layout-header-left-img" src="#" alt=""> -->
<!-- 标题 -->
<h4 class="layout-header-left-title ml-3">星月后台管理系统</h4>
</div>
<!-- 右侧按钮区域 -->
<div class="layout-header-right">
<button type="button" class="btn btn-light" @click="logout">退出登录</button>
</div>
</div>
</template>
<script>
export default {
name: 'MyHeader',
methods:{
logout(){
//1.清除token
//2.跳转到登录页
localStorage.removeItem('token')
this.$router.push('/login')
}
}
}
</script>
<style lang="less" scoped>
.layout-header-container {
height: 60px;
border-bottom: 1px solid #eaeaea;
}
.layout-header-left-img {
height: 50px;
}
</style>3.6 MyUsers.vue
<template>
<div>
<!-- 标题 -->
<h4 class="text-center">用户管理</h4>
<!-- 用户列表 -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<th>#</th>
<th>姓名</th>
<th>年龄</th>
<th>头衔</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr v-for="item in userlist" :key="item.id">
<td>{{ item.id }}</td>
<td>{{ item.name }}</td>
<td>{{ item.age }}</td>
<td>{{ item.position }}</td>
<td>
<a href="#" @click.prevent="gotoDetail(item.id)">详情</a>
</td>
</tr>
</tbody>
</table>
</div>
</template>
<script>
export default {
name: 'MyUser',
data() {
return {
// 用户列表数据
userlist: [
{ id: 1, name: '张三', age: 18, position: '快递员' },
{ id: 2, name: '张四', age: 18, position: '外卖员' },
{ id: 3, name: '张五', age: 19, position: 'Boss' },
{ id: 4, name: '老六', age: 22, position: '老六' }
]
}
},
methods:{
gotoDetail(id){
// console.log('ok')
this.$router.push('/home/userinfo/' + id )
console.log(this);
}
}
}
</script>
<style lang="less" scoped></style>3.7 router/index.js (路由模块代码)
import Vue from 'vue'
import VueRouter from 'vue-router'
//导入前置路由地址数组
import Arrrouter from '@/router/router.js'
import Login from '@/components/MyLogin.vue'
import Home from '@/components/MyHome.vue'
import Users from '@/components/menus/MyUsers.vue'
import Rights from '@/components/menus/MyRights.vue'
import Goods from '@/components/menus/MyGoods.vue'
import Orders from '@/components/menus/MyOrders.vue'
import Setting from '@/components/menus/MySettings.vue'
import UserDetail from '@/components/user/MyUserDetail.vue'
Vue.use(VueRouter)
const router = new VueRouter({
routes:[
//路由重定向
{ path:'/',redirect:'/login'},
//登录路由规则
{ path:'/login',component:Login},
{
path:'/home',
component:Home,
//路由重定向
redirect:'/home/users',
children:[
//路由重定向
// { path:'/',redirect:'users' },
//子路由规则
{ path:'users',component:Users },
{ path:'rights',component:Rights },
{ path:'goods',component:Goods },
{ path:'orders',component:Orders },
{ path:'setting',component:Setting },
//用户详情页路由规则
{ path:'userinfo/:id',component:UserDetail,props:true }
]
},
]
})
// 全局前置守卫
router.beforeEach((to,from,next)=>{
if(Arrrouter.indexOf(to.path) != -1){
const token = localStorage.getItem('token')
if(token){
next()
}else{
next('/login')
}
}else{
next()
}
})
export default router3.8 router (全局守卫路由路径)
export default ['/home','/home/users','/home/orders','/home/rights','/home/setting']星月前端博客https://xingyue.vercel.app/
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