vue+elementui搭建後臺管理介面(2首頁)
阿新 • • 發佈:2018-11-11
1 會話儲存
使用html5的 sessionStorage 物件臨時儲存會話
// 儲存會話
sessionStorage.setItem('user', username)
// 刪除會話
sessionStorage.removeItem('user', username)
2 將所有未登入會話重定向到 /login
用 vue-router 的 beforeEach 實現
beforeEach 方法接收三個引數:
- to: Route: 即將要進入的目標 路由物件
- from: Route: 當前導航正要離開的路由
- next: Function: 一定要呼叫該方法來 resolve 這個鉤子。執行效果依賴 next 方法的呼叫引數。
修改 src/main.js 加入
router.beforeEach((to, from, next) => {
if(to.path === '/login'){
sessionStorage.removeItem('user');
}
var user = sessionStorage.getItem('user');
if(!user && to.path !== '/login'){
next({
path: '/login'
})
}else{
next();
}
})
3 編寫首頁
使用 elementui 的佈局容器
<el-container>
<el-aside width="200px">Aside</el-aside>
<el-container>
<el-header>Header</el-header>
<el-main>Main</el-main>
</el-container>
</el-container>
新建 src/container/Container.vue
<template> <div class="app"> <el-container> <el-aside class="app-side app-side-left" :class="isCollapse ? 'app-side-collapsed' : 'app-side-expanded'"> <div class="app-side-logo"> <img src="@/assets/logo.png" :width="isCollapse ? '60' : '60'" height="60" /> </div> <div> <el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" :collapse="isCollapse"> <el-submenu index="1"> <template slot="title"> <i class="el-icon-location"></i> <span slot="title">導航一</span> </template> <el-menu-item-group> <span slot="title">分組一</span> <el-menu-item index="1-1">選項1</el-menu-item> <el-menu-item index="1-2">選項2</el-menu-item> </el-menu-item-group> <el-menu-item-group title="分組2"> <el-menu-item index="1-3">選項3</el-menu-item> </el-menu-item-group> <el-submenu index="1-4"> <span slot="title">選項4</span> <el-menu-item index="1-4-1">選項1</el-menu-item> </el-submenu> </el-submenu> <el-menu-item index="2"> <i class="el-icon-menu"></i> <span slot="title">導航二</span> </el-menu-item> <el-menu-item index="3" disabled> <i class="el-icon-document"></i> <span slot="title">導航三</span> </el-menu-item> <el-menu-item index="4"> <i class="el-icon-setting"></i> <span slot="title">導航四</span> </el-menu-item> </el-menu> </div> </el-aside> <el-container> <el-header class="app-header"> <div style="width: 60px; cursor: pointer;" @click.prevent="toggleSideBar"> <transition name="hamburger"> <span class="fa fa-bars fa-lg " :class="isCollapse ? 'fa-rotate-90': 'fa-rotate-0'"></span> </transition> <!-- <i v-show="isCollapse" class="fa fa-bars fa-lg" rotation="90"></i> --> </div> <el-menu default-active="1" class="el-menu-demo tab-page" mode="horizontal" @select="handleSelect" active-text-color="#409EFF"> <el-menu-item index="1">處理中心</el-menu-item> <el-submenu index="2"> <template slot="title">我的工作臺</template> <el-menu-item index="2-1">選項1</el-menu-item> <el-menu-item index="2-2">選項2</el-menu-item> <el-menu-item index="2-3">選項3</el-menu-item> <el-submenu index="2-4"> <template slot="title">選項4</template> <el-menu-item index="2-4-1">選項1</el-menu-item> <el-menu-item index="2-4-2">選項2</el-menu-item> <el-menu-item index="2-4-3">選項3</el-menu-item> </el-submenu> </el-submenu> <el-menu-item index="3" disabled>訊息中心</el-menu-item> <el-menu-item index="4"> <a href="#">訂單管理</a> </el-menu-item> </el-menu> <div class="app-header-userinfo"> <el-dropdown trigger="hover" :hide-on-click="false"> <span class="el-dropdown-link"> {{ username }} <i class="el-icon-arrow-down el-icon--right"></i> </span> <el-dropdown-menu slot="dropdown"> <el-dropdown-item>我的訊息</el-dropdown-item> <el-dropdown-item>設定</el-dropdown-item> <el-dropdown-item divided @click.native="logout">退出登入</el-dropdown-item> </el-dropdown-menu> </el-dropdown> </div> </el-header> <el-main class="app-body"> <template> <router-view/> </template> </el-main> </el-container> </el-container> </div> </template> <script> export default { name: 'Container', data() { return { username: '', isCollapse: false } }, methods: { toggleSideBar() { this.isCollapse = !this.isCollapse }, logout: function () { this.$confirm('確認退出?', '提示', {}) .then(() => { sessionStorage.removeItem('user'); this.$router.push('/login'); }) .catch(() => { }); }, handleOpen(key, keyPath) { console.log(key, keyPath); }, handleClose(key, keyPath) { console.log(key, keyPath); }, handleSelect(key, keyPath) { console.log(key, keyPath); }, }, mounted: function () { let user = sessionStorage.getItem('user'); if (user) { this.username = user; } }, } </script> <style> </style>
4 在 router 匯入容器元件
修改 src/router/index.js 為
import Vue from 'vue'
import Router from 'vue-router'
import Login from '@/views/TheLogin'
import Container from '@/container/Container'
Vue.use(Router)
export default new Router({
routes: [
{
path: '/',
name: 'Container',
component: Container
},
{
path: '/login',
name: 'Login',
component: Login
},
]
})
由於容器使用了自定義類,要取消預設的 css 和 圖片渲染
再修改 src/App.vue :
<template>
<router-view/>
</template>
<script>
export default {
name: 'App'
}
</script>
<style>
</style>
5 編寫 css
此時的頁面:
頁面骨架已經搭好,接下來就是裝飾
先安裝 node-sass sass-loader 模組
npm install node-sass sass-loader --save-dev
新建 src/styles/index.scss
html {
height: 100%;
}
body {
position: relative;
top: 0;
left: 0;
margin: 0;
padding: 0;
-webkit-box-sizing: border-box;
box-sizing: border-box;
width: 100%;
height: 100%;
overflow: hidden;
}
.app {
$solidBorder: 1px solid #eee;
$sideCollapsedWidth: 66px;
$sideExpandedWidth: 230px;
font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微軟雅黑",Arial,sans-serif;
font-size: 1em;
width: 100%;
height: 100%;
min-width: 900px;
border: $solidBorder;
display: flex;
display: -webkit-flex;
flex-flow: row nowrap;
&-side {
width: 230px;
height: 100%;
font-weight: 700;
border-right: $solidBorder;
&-left {
background-color: rgb(238, 241, 246);
}
&-logo {
height: 60px;
text-align: center;
}
&-collapsed {
width: 66px!important;
}
&-expanded {
width: 230px!important;
}
}
&-header {
width: 100%;
height: 60px;
display: flex;
flex-flow: row nowrap;
justify-content: flex-start;
align-items: center;
border-bottom: $solidBorder;
&-userinfo {
position: absolute;
right: 0;
margin-right: 25px;
display: flex;
flex-flow: row nowrap;
height: 60px;
justify-content: flex-start;
align-items: center;
}
}
&-body {
font-size: 1em;
width: 100%;
height: 100%;
padding: 20px;
overflow-y: scroll;
}
&-footer {
width: 100%;
height: 60px;
}
}
.inline-block {
display: inline-block;
}
在 src/main.js 中引入該檔案
import '@/styles/index.scss'
頁面效果: