因为我项目中需要使用VUE,因此我接触到了VUE这个前端框架。我分享下学习VUE的流程。

一、安装vue-cli:

npm install -g @vue/cli
# OR
yarn global add @vue/cli

二、配置vue的环境变量:

否则会出现‘vue‘ 不是内部或外部命令,也不是可运行的程序 或批处理文件的方法

配置方法是:

1、在命令行输入npm config list找到vue路径

2、根据vue的路径找到vue.cmd文件。如果没有找到vue.cmd需要重新安装vue-cli。

 

3、 将路径配置到环境变量

 

 

 4、在命令行检查vue是否配置成功: vue -V

三、新建vue项目:

vue create my-project
# OR
vue ui

项目的一些简单设置:

设置完成系统会自动安装:

 创建vue项目就完成了!

来到项目目录查看下

其中node_modules保存是我们安装的依赖,这里已经通过之前的命令安装好了

用Idea打开vue项目看看

四、运行项目 

进入vue文件夹:cd vue

运行项目:npm run server

 运行成功,端口8080

 访问一下localhost:8080,成功!说明项目搭建成功了

 五、安装element框架

想要搭建一个后台管理系统的前端页面,这样一个简单的页面是远远不够的,我们还需要丰富我们的页面,此时就可以使用到element框架了。

在项目路径运行:npm i element-ui -S

或者在Idea的命令行运行:npm i element-ui -S

vue和element-ui的版本要对应,如果出现下面问题:

 重新下载vue即可,按照提示缺少的vue版本号重新下载vue:

然后再次执行: npm i element-ui -S

安装成功 

六、引入ElementUI

在main.js中加入

import 'element-ui/lib/theme-chalk/index.css';

import App from './App.vue';

Vue.use(ElementUI);

 

在HomeView.vue 中使用

 写完之后,run一下看下效果:

在命令行输入:npm run serve

输入localhost:8080查看页面

 框架组件引入成功!

七、引入主体框架

在Element官网找到想要搭建的框架布局,将代码复制到HomeView.vue:

<template>
  <div>
    复制的代码段
  </div>
</template>

......

data(){
      引入的数据
      };
    return{
      返回值
    }
  }

 修改App.vue文件

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

引入完成,展示下框架模板效果: 

 八、自定义组件

在assets中添加组件文件,

  然后再main.js中引入: 

import './assets/global.css'

 效果展示:

 九、整体布局完善

globle.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

 App.vue

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

HomeView.vue

<template>
  <el-container style="min-height: 100vh">
    <el-aside :width="sideWidth + 'px'" style="background-color: rgb(238, 241, 246); box-shadow: 2px 0 6px rgb(0 21 41 / 35%);">
      <el-menu :default-openeds="['1', '3']" style="min-height: 100%; overflow-x: hidden"
               background-color="rgb(48, 65, 86)"
               text-color="#fff"
               active-text-color="#ffd04b"
               :collapse-transition="false"
               :collapse="isCollapse"
      >
        <div style="height: 60px; line-height: 60px; text-align: center">
          <img src="../assets/logo.png" alt="" style="width: 20px; position: relative; top: 5px; margin-right: 5px">
          <b style="color: white" v-show="logoTextShow">后台管理系统</b>
        </div>
        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>
            <span slot="title">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4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="2">
          <template slot="title">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</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-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="2-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="2-4">
            <template slot="title">选项4</template>
            <el-menu-item index="2-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="3">
          <template slot="title">
            <i class="el-icon-setting"></i>
            <span slot="title">导航三</span>
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</template>
            <el-menu-item index="3-1">选项1</el-menu-item>
            <el-menu-item index="3-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="3-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="3-4">
            <template slot="title">选项4</template>
            <el-menu-item index="3-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
      </el-menu>
    </el-aside>

    <el-container>

      <el-header style="font-size: 12px; border-bottom: 1px solid #ccc; line-height: 60px; display: flex">
        <div style="flex: 1; font-size: 20px">
          <span :class="collapseBtnClass" style="cursor: pointer" @click="collapse"></span>
        </div>
        <el-dropdown style="width: 70px; cursor: pointer">
          <span>刻晴</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>个人信息</el-dropdown-item>
            <el-dropdown-item>退出</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>

      </el-header>

      <el-main>
        <el-table :data="tableData">
          <el-table-column prop="date" label="日期" width="140">
          </el-table-column>
          <el-table-column prop="name" label="姓名" width="120">
          </el-table-column>
          <el-table-column prop="address" label="地址">
          </el-table-column>
        </el-table>
      </el-main>

    </el-container>
  </el-container>
</template>

<script>

export default {
  name: 'Home',
  data() {
    const item = {
      date: '2012-02-02',
      name: '刻晴',
      address: '璃月港'
    };
    return {
      tableData: Array(10).fill(item),
      msg: "hello 阿晴",
      collapseBtnClass: 'el-icon-s-fold',
      isCollapse: false,
      sideWidth: 200,
      logoTextShow: true
    }
  },
  methods: {
    collapse() {  // 点击收缩按钮触发
      this.isCollapse = !this.isCollapse
      if (this.isCollapse) {  // 收缩
        this.sideWidth = 64
        this.collapseBtnClass = 'el-icon-s-unfold'
        this.logoTextShow = false
      } else {   // 展开
        this.sideWidth = 200
        this.collapseBtnClass = 'el-icon-s-fold'
        this.logoTextShow = true
      }
    }
  }
}
</script>

 布局效果展示:

十、页面布局完善

在Element官网找到组件对页面进行美化

 main.js

import Vue from 'vue'
import App from './App.vue'
import router from './router'
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import './assets/global.css'

Vue.config.productionTip = false

Vue.use(ElementUI, { size: "mini" });

new Vue({
  router,
  render: h => h(App)
}).$mount('#app')

globle.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.ml-5 {
    margin-left: 5px;
}
.mr-5 {
    margin-right: 5px;
}
.pd-10 {
    padding: 10px 0;
}

HomeView.vue

<template>
  <el-container style="min-height: 100vh">

    <el-aside :width="sideWidth + 'px'" style="box-shadow: 2px 0 6px rgb(48, 65, 86);">
      <el-menu :default-openeds="['1', '3']" style="min-height: 100%; overflow-x: hidden"
               background-color="rgb(48, 65, 86)"
               text-color="#fff"
               active-text-color="#ffd04b"
               :collapse-transition="false"
               :collapse="isCollapse"
      >
        <div style="height: 60px; line-height: 60px; text-align: center">
          <img src="../assets/logo.png" alt="" style="width: 20px; position: relative; top: 5px; right: 5px">
          <b style="color: white" v-show="logoTextShow">后台管理系统</b>
        </div>
        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>
            <span slot="title">导航一</span>
          </template>
          <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4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="2">
          <template slot="title">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </template>
          <el-submenu index="2-4">
            <template slot="title">选项4</template>
            <el-menu-item index="2-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="3">
          <template slot="title">
            <i class="el-icon-setting"></i>
            <span slot="title">导航三</span>
          </template>
          <el-submenu index="3-4">
            <template slot="title">选项4</template>
            <el-menu-item index="3-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
      </el-menu>
    </el-aside>

    <el-container>
      <el-header style="font-size: 12px; border-bottom: 1px solid #ccc; line-height: 60px; display: flex">
        <div style="flex: 1; font-size: 20px">
          <span :class="collapseBtnClass" style="cursor: pointer" @click="collapse"></span>
        </div>
        <el-dropdown style="width: 70px; cursor: pointer">
          <span>钟离</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
          <el-dropdown-menu slot="dropdown" >
            <el-dropdown-item style="font-size: 14px; padding: 5px 0">个人信息</el-dropdown-item>
            <el-dropdown-item style="font-size: 14px; padding: 5px 0">退出</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>

      </el-header>

      <el-main>
        <div style="margin-bottom: 30px">
          <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
          </el-breadcrumb>
        </div>

        <div style="margin: 10px 0">
          <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search"></el-input>
          <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5"></el-input>
          <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5"></el-input>
          <el-button class="ml-5" type="primary">搜索</el-button>
        </div>

        <div style="margin: 10px 0">
          <el-button type="primary">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
          <el-button type="danger">批量删除 <i class="el-icon-remove-outline"></i></el-button>
          <el-button type="primary">导入 <i class="el-icon-bottom"></i></el-button>
          <el-button type="primary">导出 <i class="el-icon-top"></i></el-button>
        </div>

        <el-table :data="tableData" border stripe :header-cell-class-name="headerBg">
          <el-table-column prop="date" label="日期" width="140">
          </el-table-column>
          <el-table-column prop="name" label="姓名" width="120">
          </el-table-column>
          <el-table-column prop="address" label="地址">
          </el-table-column>
          <el-table-column label="操作"  width="200" align="center">
            <template slot-scope="scope">
              <el-button type="success">编辑 <i class="el-icon-edit"></i></el-button>
              <el-button type="danger">删除 <i class="el-icon-remove-outline"></i></el-button>
            </template>
          </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
          <el-pagination

              :page-sizes="[5, 10, 15, 20]"
              :page-size="10"
              layout="total, sizes, prev, pager, next, jumper"
              :total="400">
          </el-pagination>
        </div>
      </el-main>

    </el-container>
  </el-container>
</template>

<script>

export default {
  name: 'Home',
  data() {
    const item = {
      date: '2022-02-02',
      name: '刻晴',
      address: '璃月港'
    };
    return {
      tableData: Array(10).fill(item),
      msg: "hello 阿晴",
      collapseBtnClass: 'el-icon-s-fold',
      isCollapse: false,
      sideWidth: 200,
      logoTextShow: true,
      headerBg: 'headerBg'
    }
  },
  methods: {
    collapse() {  // 点击收缩按钮触发
      this.isCollapse = !this.isCollapse
      if (this.isCollapse) {  // 收缩
        this.sideWidth = 64
        this.collapseBtnClass = 'el-icon-s-unfold'
        this.logoTextShow = false
      } else {   // 展开
        this.sideWidth = 200
        this.collapseBtnClass = 'el-icon-s-fold'
        this.logoTextShow = true
      }
    }
  }
}
</script>

<style>
.headerBg {
  background: #eee!important;
}
</style>

页面效果展示:

这样我们的后台管理系统的前端页面就搭建完成了! 

结语:坚定目标,日日精进,必有所成。共勉! !

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