vue+elementui搭建后台管理界面_vue首页做成工作台

1.新建项目

vue init webpack vue-project
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2.安装并引入 elementui

npm install element-ui --save
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3.编辑 src/main.js , 修改为

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
Vue.use(ElementUI)

Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: { App },
  template: '<App/>'
})

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4 编写登录页面
src 目录下新建目录 views
编写 views/Login.vue

<template>
  <div class="login-container">
    <el-form :model="ruleForm2" :rules="rules2"
             status-icon
             ref="ruleForm2"
             label-position="left"
             label-width="0px"
             class="demo-ruleForm login-page">
      <h3 class="title">系统登录</h3>
      <el-form-item prop="username">
        <el-input type="text"
                  v-model="ruleForm2.username"
                  auto-complete="off"
                  placeholder="用户名"
        ></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password"
                  v-model="ruleForm2.password"
                  auto-complete="off"
                  placeholder="密码"
        ></el-input>
      </el-form-item>
      <el-checkbox
        v-model="checked"
        class="rememberme"
      >记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="handleSubmit" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
    export default {
      name: "Login.vue",
      data(){
        return {
          logining: false,
          ruleForm2: {
            username: 'admin',
            password: '123456',
          },
          rules2: {
            username: [{required: true, message: 'please enter your account', trigger: 'blur'}],
            password: [{required: true, message: 'enter your password', trigger: 'blur'}]
          },
          checked: false
        }
      },
      methods: {
        handleSubmit(event){
          this.$refs.ruleForm2.validate((valid) => {
            if(valid){
              this.logining = true;
              if(this.ruleForm2.username === 'admin' &&
                this.ruleForm2.password === '123456'){
                this.logining = false;
                sessionStorage.setItem('user', this.ruleForm2.username);
                this.$router.push({path: '/'});
              }else{
                this.logining = false;
                this.$alert('username or password wrong!', 'info', {
                  confirmButtonText: 'ok'
                })
              }
            }else{
              console.log('error submit!');
              return false;
            }
          })
        }
      }
    }
</script>

<style scoped>
  .login-container {
    width: 100%;
    height: 100%;
  }
  .login-page {
    -webkit-border-radius: 5px;
    border-radius: 5px;
    margin: 180px auto;
    width: 350px;
    padding: 35px 35px 15px;
    background: #fff;
    border: 1px solid #eaeaea;
    box-shadow: 0 0 25px #cac6c6;
  }
  label.el-checkbox.rememberme {
    margin: 0px 0px 15px;
    text-align: left;
  }
</style>

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5增加路由
访问 login 要跳转到登录页面
修改 router/index.js 为

import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Login from "../views/Login";

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'HelloWorld',
      component: HelloWorld
    },
    {
      path: '/login',
      name: 'Login',
      component: Login
    }
  ]
})

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6.将所有未登录会话重定向到 /login
修改 src/main.js 加入

```html
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();
  }
})
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7.新建 src/container/Container.vue

```html
<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>
          <!-- 我是样例菜单 -->
          <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">导航一</span>
              </template>
              <el-menu-item-group>
                <span slot="title">分组一</span>
                <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">
                <span slot="title">选项4</span>
                <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>
        </div>
      </el-aside>

      <el-container>
        <el-header class="app-header">
          <div style="width: 60px; cursor: pointer;"
               @click.prevent="toggleSideBar">
            <i v-show="!isCollapse" class="el-icon-d-arrow-left"></i>
            <i v-show="isCollapse" class="el-icon-d-arrow-right"></i>
          </div>
          <!-- 我是样例菜单 -->
          <el-menu default-active="1"
                   class="el-menu-demo tab-page"
                   mode="horizontal"
                   @select="handleSelect"
                   active-text-color="#409EFF">
            <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="#">订单管理</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>我的消息</el-dropdown-item>
                <el-dropdown-item>设置</el-dropdown-item>
                <el-dropdown-item divided
                                  @click.native="logout">退出登录</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: "Containers",
      data() {
        return {
          username: '',
          isCollapse: false
        }
      },
      methods: {
        toggleSideBar() {
          this.isCollapse = !this.isCollapse
        },
        logout: function () {
          this.$confirm('确认退出?', '提示', {})
            .then(() => {
              sessionStorage.removeItem('user');
              this.$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 scoped>

</style>

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8.在 router 导入容器组件
修改 src/router/index.js 为

import Vue from 'vue'
import Router from 'vue-router'
import Login from "../views/Login";
import Container from "../containers/Container";

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'Container',
      component: Container
    },
    {
      path: '/login',
      name: 'Login',
      component: Login
    }
  ]
})

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9.由于容器使用了自定义类，要取消默认的 css 和 图片渲染
再修改 src/App.vue :

<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>

<style>
</style>
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10.页面骨架已经搭好，接下来就是装饰
先安装 node-sass sass-loader 模块
npm install node-sass sass-loader --save-dev

11.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","微软雅黑",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;
}

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12.在 src/main.js 中引入该文件
import ‘@/styles/index.scss’