SPA项目实现首页导航以及左侧菜单
前言
上一篇文章简单的分享了SPA项目实现登录注册以及在开发过程中遇到的一些问题。本篇文章将要分享的内容为SPA项目实现首页导航以及左侧菜单。
一、准备工作
1、 安装mockjs的依赖
npm install mock -D 只在开发环境使用
2、配置开发环境及生产环境
dev.env
module.exports = merge(prodEnv, {
NODE_ENV: '"development"',
MOCK: 'true'
})
prod.env
module.exports = {
NODE_ENV: '"production"',
MOCK: 'false'
}
在main.js引入mock
//开发环境下才会引入mockjs
process.env.MOCK && require('@/mock')
3、mock的使用
在src目录下创建mock目录,定义mock主文件index.js,并在该文件中定义拦截路由配置
index.js
import Mock from 'mockjs' //引入mockjs,npm已安装
import action from '@/api/action' //引入请求地址
//全局设置:设置所有ajax请求的超时时间,模拟网络传输耗时
Mock.setup({
// timeout: 400 //延时400s请求到数据
timeout: 200 - 400 //延时200-400s请求到数据
})
//引登陆的测试数据,并添加至mockjs
import loginInfo from '@/mock/json/login-mock.js'
let s1 = action.getFullPath('SYSTEM_USER_DOLOGIN')
Mock.mock(s1, "post", loginInfo)
// Mock.mock(s1, /post|get/i, loginInfo)
二、界面搭建
AppMain.vue
<template>
<el-container class="main-container">
<el-aside v-bind:class="asideClass">
<LeftNav></LeftNav>
</el-aside>
<el-container>
<el-header class="main-header">
<TopNav></TopNav>
</el-header>
<el-main class="main-center">Main</el-main>
</el-container>
</el-container>
</template>
<script>
// 导入组件
import TopNav from '@/components/TopNav.vue'
import LeftNav from '@/components/LeftNav.vue'
// 导出模块
export default {
data(){
return {
asideClass:'main-aside'
}
},
components:{
TopNav,
LeftNav
},
created(){
this.$root.Bus.$on('collapsed-aside',(v)=>{
this.asideClass = v ? 'main-aside-collapsed' : 'main-aside';
})
}
};
</script>
<style scoped>
.main-container {
height: 100%;
width: 100%;
box-sizing: border-box;
}
.main-aside-collapsed {
/* 在CSS中,通过对某一样式声明! important ,可以更改默认的CSS样式优先级规则,使该条样式属性声明具有最高优先级 */
width: 64px !important;
height: 100%;
background-color: #334157;
margin: 0px;
}
.main-aside {
width: 240px !important;
height: 100%;
background-color: #334157;
margin: 0px;
}
.main-header,
.main-center {
padding: 0px;
border-left: 2px solid #333;
}
</style>
LeftNav.vue
<template>
<el-menu default-active="2" class="el-menu-vertical-demo" background-color="#334157"
text-color="#fff" active-text-color="#ffd04b" :collapse="collapsed">
<!-- <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path" unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b"> -->
<div class="logobox">
<img class="logoimg" src="../assets/img/logo.png" alt="">
</div>
<el-submenu index="1">
<template slot="title">
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template slot="title">分组一</template>
<el-menu-item index="1-1">选项1</el-menu-item>
<el-menu-item index="1-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-3">选项3</el-menu-item>
</el-menu-item-group>
<el-submenu index="1-4">
<template slot="title">选项4</template>
<el-menu-item index="1-4-1">选项1</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="2">
<i class="el-icon-menu"></i>
<span slot="title">导航二</span>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<span slot="title">导航三</span>
</el-menu-item>
<el-menu-item index="4">
<i class="el-icon-setting"></i>
<span slot="title">导航四</span>
</el-menu-item>
</el-menu>
</template>
<script>
export default {
data(){
return{
collapsed:false
}
},
created(){
this.$root.Bus.$on('collapsed-aside',(v)=>{
this.collapsed = v;
})
}
}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
width: 240px;
min-height: 400px;
}
.el-menu-vertical-demo:not(.el-menu--collapse) {
border: none;
text-align: left;
}
.el-menu-item-group__title {
padding: 0px;
}
.el-menu-bg {
background-color: #1f2d3d !important;
}
.el-menu {
border: none;
}
.logobox {
height: 40px;
line-height: 40px;
color: #9d9d9d;
font-size: 20px;
text-align: center;
padding: 20px 0px;
}
.logoimg {
height: 40px;
}
</style>
TopNav.vue
<template>
<!-- <el-menu :default-active="activeIndex2" class="el-menu-demo" mode="horizontal" @select="handleSelect" background-color="#545c64"
text-color="#fff" active-text-color="#ffd04b">
<el-menu-item index="1">处理中心</el-menu-item>
<el-submenu index="2">
<template slot="title">我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
<el-submenu index="2-4">
<template slot="title">选项4</template>
<el-menu-item index="2-4-1">选项1</el-menu-item>
<el-menu-item index="2-4-2">选项2</el-menu-item>
<el-menu-item index="2-4-3">选项3</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="3" disabled>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
</el-menu> -->
<el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
<el-button class="buttonimg">
<img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
</el-button>
<el-submenu index="2" class="submenu">
<template slot="title">超级管理员</template>
<el-menu-item index="2-1">设置</el-menu-item>
<el-menu-item index="2-2">个人中心</el-menu-item>
<el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
</el-submenu>
</el-menu>
</template>
<script>
export default {
data(){
return{
collapsed:false,
imgshow:require('@/assets/img/show.png'),
imgsq:require('@/assets/img/sq.png')
}
},
methods:{
doToggle(){
this.collapsed = !this.collapsed;
this.$root.Bus.$emit('collapsed-aside',this.collapsed);
},
exit(){
this.$router.push({path:'/Login'})
}
}
}
</script>
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
border: none;
}
.submenu {
float: right;
}
.buttonimg {
height: 60px;
background-color: transparent;
border: none;
}
.showimg {
width: 26px;
height: 26px;
position: absolute;
top: 17px;
left: 17px;
}
.showimg:active {
border: none;
}
</style>
三、左侧树收缩
左侧树的收缩代码在搭建的部分一并放上去了。这里主要讲的是总线。
这个界面可见,收缩的按钮在顶部的导航条。我们点击顶部的导航条需要将左侧的树收起或者展开。顶部导航条和左侧的数有同一参数,我们根据这个参数collapsed的内容判断是收起还是展开。改变它的样式。
这里我们用到了总线。
我们将collapsed的值放在总线中,谁需要使用谁就去总线中调用。方便传值。
如果不用总线,我们需要将collapsed的值由TopNav传递到AppMain中,再由AppMain传递到LeftNav中。
AppMain.vue
<template>
<el-container class="main-container">
<el-aside v-bind:class="asideClass">
<LeftNav></LeftNav>
</el-aside>
<el-container>
<el-header class="main-header">
<TopNav></TopNav>
</el-header>
<el-main class="main-center">Main</el-main>
</el-container>
</el-container>
</template>
<script>
// 导入组件
import TopNav from '@/components/TopNav.vue'
import LeftNav from '@/components/LeftNav.vue'
// 导出模块
export default {
data(){
return {
asideClass:'main-aside'
}
},
components:{
TopNav,
LeftNav
},
created(){
this.$root.Bus.$on('collapsed-aside',(v)=>{
this.asideClass = v ? 'main-aside-collapsed' : 'main-aside';
})
}
};
</script>
<style scoped>
.main-container {
height: 100%;
width: 100%;
box-sizing: border-box;
}
.main-aside-collapsed {
/* 在CSS中,通过对某一样式声明! important ,可以更改默认的CSS样式优先级规则,使该条样式属性声明具有最高优先级 */
width: 64px !important;
height: 100%;
background-color: #334157;
margin: 0px;
}
.main-aside {
width: 240px !important;
height: 100%;
background-color: #334157;
margin: 0px;
}
.main-header,
.main-center {
padding: 0px;
border-left: 2px solid #333;
}
</style>
LeftNav.vue
<template>
<el-menu default-active="2" class="el-menu-vertical-demo" background-color="#334157"
text-color="#fff" active-text-color="#ffd04b" :collapse="collapsed">
<!-- <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path" unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b"> -->
<div class="logobox">
<img class="logoimg" src="../assets/img/logo.png" alt="">
</div>
<el-submenu index="1">
<template slot="title">
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template slot="title">分组一</template>
<el-menu-item index="1-1">选项1</el-menu-item>
<el-menu-item index="1-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-3">选项3</el-menu-item>
</el-menu-item-group>
<el-submenu index="1-4">
<template slot="title">选项4</template>
<el-menu-item index="1-4-1">选项1</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="2">
<i class="el-icon-menu"></i>
<span slot="title">导航二</span>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<span slot="title">导航三</span>
</el-menu-item>
<el-menu-item index="4">
<i class="el-icon-setting"></i>
<span slot="title">导航四</span>
</el-menu-item>
</el-menu>
</template>
<script>
export default {
data(){
return{
collapsed:false
}
},
created(){
this.$root.Bus.$on('collapsed-aside',(v)=>{
this.collapsed = v;
})
}
}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
width: 240px;
min-height: 400px;
}
.el-menu-vertical-demo:not(.el-menu--collapse) {
border: none;
text-align: left;
}
.el-menu-item-group__title {
padding: 0px;
}
.el-menu-bg {
background-color: #1f2d3d !important;
}
.el-menu {
border: none;
}
.logobox {
height: 40px;
line-height: 40px;
color: #9d9d9d;
font-size: 20px;
text-align: center;
padding: 20px 0px;
}
.logoimg {
height: 40px;
}
</style>
TopNav.vue
<template>
<!-- <el-menu :default-active="activeIndex2" class="el-menu-demo" mode="horizontal" @select="handleSelect" background-color="#545c64"
text-color="#fff" active-text-color="#ffd04b">
<el-menu-item index="1">处理中心</el-menu-item>
<el-submenu index="2">
<template slot="title">我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
<el-submenu index="2-4">
<template slot="title">选项4</template>
<el-menu-item index="2-4-1">选项1</el-menu-item>
<el-menu-item index="2-4-2">选项2</el-menu-item>
<el-menu-item index="2-4-3">选项3</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="3" disabled>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
</el-menu> -->
<el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
<el-button class="buttonimg">
<img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
</el-button>
<el-submenu index="2" class="submenu">
<template slot="title">超级管理员</template>
<el-menu-item index="2-1">设置</el-menu-item>
<el-menu-item index="2-2">个人中心</el-menu-item>
<el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
</el-submenu>
</el-menu>
</template>
<script>
export default {
data(){
return{
collapsed:false,
imgshow:require('@/assets/img/show.png'),
imgsq:require('@/assets/img/sq.png')
}
},
methods:{
doToggle(){
this.collapsed = !this.collapsed;
this.$root.Bus.$emit('collapsed-aside',this.collapsed);
},
exit(){
this.$router.push({path:'/Login'})
}
}
}
</script>
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
border: none;
}
.submenu {
float: right;
}
.buttonimg {
height: 60px;
background-color: transparent;
border: none;
}
.showimg {
width: 26px;
height: 26px;
position: absolute;
top: 17px;
left: 17px;
}
.showimg:active {
border: none;
}
</style>
四、退出登录
<template>
<!-- <el-menu :default-active="activeIndex2" class="el-menu-demo" mode="horizontal" @select="handleSelect" background-color="#545c64"
text-color="#fff" active-text-color="#ffd04b">
<el-menu-item index="1">处理中心</el-menu-item>
<el-submenu index="2">
<template slot="title">我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
<el-submenu index="2-4">
<template slot="title">选项4</template>
<el-menu-item index="2-4-1">选项1</el-menu-item>
<el-menu-item index="2-4-2">选项2</el-menu-item>
<el-menu-item index="2-4-3">选项3</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="3" disabled>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
</el-menu> -->
<el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
<el-button class="buttonimg">
<img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
</el-button>
<el-submenu index="2" class="submenu">
<template slot="title">超级管理员</template>
<el-menu-item index="2-1">设置</el-menu-item>
<el-menu-item index="2-2">个人中心</el-menu-item>
<el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
</el-submenu>
</el-menu>
</template>
<script>
export default {
data(){
return{
collapsed:false,
imgshow:require('@/assets/img/show.png'),
imgsq:require('@/assets/img/sq.png')
}
},
methods:{
doToggle(){
this.collapsed = !this.collapsed;
this.$root.Bus.$emit('collapsed-aside',this.collapsed);
},
exit(){
this.$router.push({path:'/Login'})
}
}
}
</script>
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
border: none;
}
.submenu {
float: right;
}
.buttonimg {
height: 60px;
background-color: transparent;
border: none;
}
.showimg {
width: 26px;
height: 26px;
position: absolute;
top: 17px;
left: 17px;
}
.showimg:active {
border: none;
}
</style>
总结
本文仅简单的讲述了,登录后主页的搭建、左侧菜单的收起展开以及简单的介绍了一下总线。如有错误还望指正。谢谢啦。