Element 介绍
Element：网站快速成型工具。是饿了么公司前端开发团队提供的一套基于 Vue 的网站组件库。
使用 Element 前提必须要有 Vue。
组件：组成网页的部件，例如 超链接、按钮、图片、表格等等~
Element 官网：https://element.eleme.cn/#/zh-CN
自己完成的按钮
Element 提供的按钮
Element 快速入门
下载 Element 核心库。引入 Element 样式文件。引入 Vue 核心 js 文件。引入 Element 核心 js 文件。编写按钮标签。通过 Vue 核心对象加载元素。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>快速入门</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> </head> <body> <button>我是按钮</button> <br> <div id="div"> <el-row> <el-button>默认按钮</el-button> <el-button type="primary">主要按钮</el-button> <el-button type="success">成功按钮</el-button> <el-button type="info">信息按钮</el-button> <el-button type="warning">警告按钮</el-button> <el-button type="danger">危险按钮</el-button> </el-row> <br> <el-row> <el-button plain>朴素按钮</el-button> <el-button type="primary" plain>主要按钮</el-button> <el-button type="success" plain>成功按钮</el-button> <el-button type="info" plain>信息按钮</el-button> <el-button type="warning" plain>警告按钮</el-button> <el-button type="danger" plain>危险按钮</el-button> </el-row> <br> <el-row> <el-button round>圆角按钮</el-button> <el-button type="primary" round>主要按钮</el-button> <el-button type="success" round>成功按钮</el-button> <el-button type="info" round>信息按钮</el-button> <el-button type="warning" round>警告按钮</el-button> <el-button type="danger" round>危险按钮</el-button> </el-row> <br> <el-row> <el-button icon="el-icon-search" circle></el-button> <el-button type="primary" icon="el-icon-edit" circle></el-button> <el-button type="success" icon="el-icon-check" circle></el-button> <el-button type="info" icon="el-icon-message" circle></el-button> <el-button type="warning" icon="el-icon-star-off" circle></el-button> <el-button type="danger" icon="el-icon-delete" circle></el-button> </el-row> </div> </body> <script> new Vue({ el:"#div" }); </script> </html>布局方式
基础布局：将页面分成最多 24 个部分，自由切分。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>基础布局</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> <style> .el-row { /* 行距为20px */ margin-bottom: 20px; } .bg-purple-dark { background: red; } .bg-purple { background: blue; } .bg-purple-light { background: green; } .grid-content { /* 边框圆润度 */ border-radius: 4px; /* 行高为36px */ min-height: 36px; } </style> </head> <body> <div id="div"> <el-row> <el-col :span="24"><div class="grid-content bg-purple-dark"></div></el-col> </el-row> <el-row> <el-col :span="12"><div class="grid-content bg-purple"></div></el-col> <el-col :span="12"><div class="grid-content bg-purple-light"></div></el-col> </el-row> <el-row> <el-col :span="8"><div class="grid-content bg-purple"></div></el-col> <el-col :span="8"><div class="grid-content bg-purple-light"></div></el-col> <el-col :span="8"><div class="grid-content bg-purple"></div></el-col> </el-row> <el-row> <el-col :span="6"><div class="grid-content bg-purple"></div></el-col> <el-col :span="6"><div class="grid-content bg-purple-light"></div></el-col> <el-col :span="6"><div class="grid-content bg-purple"></div></el-col> <el-col :span="6"><div class="grid-content bg-purple-light"></div></el-col> </el-row> <el-row> <el-col :span="4"><div class="grid-content bg-purple"></div></el-col> <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col> <el-col :span="4"><div class="grid-content bg-purple"></div></el-col> <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col> <el-col :span="4"><div class="grid-content bg-purple"></div></el-col> <el-col :span="4"><div class="grid-content bg-purple-light"></div></el-col> </el-row> </div> </body> <script> new Vue({ el:"#div" }); </script> </html> 容器布局：将页面分成头部区域、侧边栏区域、主区域、底部区域。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>容器布局</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> <style> .el-header, .el-footer { background-color: #d18e66; color: #333; text-align: center; height: 100px; } .el-aside { background-color: #55e658; color: #333; text-align: center; height: 580px; } .el-main { background-color: #5fb1f3; color: #333; text-align: center; height: 520px; } </style> </head> <body> <div id="div"> <el-container> <el-header>头部区域</el-header> <el-container> <el-aside width="200px">侧边栏区域</el-aside> <el-container> <el-main>主区域</el-main> <el-footer>底部区域</el-footer> </el-container> </el-container> </el-container> </div> </body> <script> new Vue({ el:"#div" }); </script> </html>表单组件
表单：由输入框、下拉列表、单选框、多选框等控件组成，用以收集、校验、提交数据。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>表单组件</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> </head> <body> <div id="div"> <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm"> <el-form-item label="活动名称" prop="name"> <el-input v-model="ruleForm.name"></el-input> </el-form-item> <el-form-item label="活动区域" prop="region"> <el-select v-model="ruleForm.region" placeholder="请选择活动区域"> <el-option label="区域一" value="shanghai"></el-option> <el-option label="区域二" value="beijing"></el-option> </el-select> </el-form-item> <el-form-item label="活动时间" required> <el-col :span="11"> <el-form-item prop="date1"> <el-date-picker type="date" placeholder="选择日期" v-model="ruleForm.date1" style="width: 100%;"></el-date-picker> </el-form-item> </el-col> <el-col class="line" :span="2">-</el-col> <el-col :span="11"> <el-form-item prop="date2"> <el-time-picker placeholder="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker> </el-form-item> </el-col> </el-form-item> <el-form-item label="即时配送" prop="delivery"> <el-switch v-model="ruleForm.delivery"></el-switch> </el-form-item> <el-form-item label="活动性质" prop="type"> <el-checkbox-group v-model="ruleForm.type"> <el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox> <el-checkbox label="地推活动" name="type"></el-checkbox> <el-checkbox label="线下主题活动" name="type"></el-checkbox> <el-checkbox label="单纯品牌曝光" name="type"></el-checkbox> </el-checkbox-group> </el-form-item> <el-form-item label="特殊资源" prop="resource"> <el-radio-group v-model="ruleForm.resource"> <el-radio label="线上品牌商赞助"></el-radio> <el-radio label="线下场地免费"></el-radio> </el-radio-group> </el-form-item> <el-form-item label="活动形式" prop="desc"> <el-input type="textarea" v-model="ruleForm.desc"></el-input> </el-form-item> <el-form-item> <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button> <el-button @click="resetForm('ruleForm')">重置</el-button> </el-form-item> </el-form> </div> </body> <script> new Vue({ el:"#div", data:{ ruleForm: { name: '', region: '', date1: '', date2: '', delivery: false, type: [], resource: '', desc: '' }, rules: { name: [ { required: true, message: '请输入活动名称', trigger: 'blur' }, { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' } ], region: [ { required: true, message: '请选择活动区域', trigger: 'change' } ], date1: [ { type: 'date', required: true, message: '请选择日期', trigger: 'change' } ], date2: [ { type: 'date', required: true, message: '请选择时间', trigger: 'change' } ], type: [ { type: 'array', required: true, message: '请至少选择一个活动性质', trigger: 'change' } ], resource: [ { required: true, message: '请选择活动资源', trigger: 'change' } ], desc: [ { required: true, message: '请填写活动形式', trigger: 'blur' } ] } }, methods:{ submitForm(formName) { this.$refs[formName].validate((valid) => { if (valid) { alert('submit!'); } else { console.log('error submit!!'); return false; } }); }, resetForm(formName) { this.$refs[formName].resetFields(); } } }); </script> </html>表格组件
表格：用于展示多条结构类似的数据，可对数据进行编辑、删除或其他自定义操作。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>表格组件</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> </head> <body> <div id="div"> <template> <el-table :data="tableData" style="width: 100%"> <el-table-column prop="date" label="日期" width="180"> </el-table-column> <el-table-column prop="name" label="姓名" width="180"> </el-table-column> <el-table-column prop="address" label="地址"> </el-table-column> <el-table-column label="操作" width="180"> <el-button type="warning">编辑</el-button> <el-button type="danger">删除</el-button> </el-table-column> </el-table> </template> </div> </body> <script> new Vue({ el:"#div", data:{ tableData: [{ date: '2016-05-02', name: '王小虎', address: '上海市普陀区金沙江路 1518 弄' }, { date: '2016-05-04', name: '王小虎', address: '上海市普陀区金沙江路 1517 弄' }, { date: '2016-05-01', name: '王小虎', address: '上海市普陀区金沙江路 1519 弄' }, { date: '2016-05-03', name: '王小虎', address: '上海市普陀区金沙江路 1516 弄' }] } }); </script> </html>导航栏组件
顶部导航栏 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>顶部导航栏</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> </head> <body> <div id="div"> <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> </div> </body> <script> new Vue({ el:"#div" }); </script> </html> 侧边导航栏 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>侧边导航栏</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> </head> <body> <div id="div"> <el-col :span="6"> <el-menu default-active="2" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" background-color="#545c64" text-color="#fff" active-text-color="#ffd04b"> <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> </el-col> </div> </body> <script> new Vue({ el:"#div" }); </script> </html>Element 小结
Element：网站快速成型工具。是一套为开发者、设计师、产品经理准备的基于 Vue 的桌面端组件库。
使用 Element 前提必须要有 Vue。
使用步骤
下载 Element 核心库。引入 Element 样式文件。引入 Vue 核心 js 文件。引入 Element 核心 js 文件。借助常用组件编写网页。常用组件
网页基本组成部分，布局、按钮、表格、表单等等~~~常用组件不需要记住，只需要在 Element 官网中复制使用即可。案例效果
案例实现
头部效果实现。侧边栏效果实现。主区域效果实现。 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>学生列表</title> <link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css"> <script src="js/vue.js"></script> <script src="element-ui/lib/index.js"></script> <style> .el-header{ background-color: #545c64; } .header-img{ width: 100px; margin-top: 20px; } </style> </head> <body> <div id="div"> <el-container> <!-- 头部 --> <el-header class="el-header"> <el-container> <div> <el-image src="img/export.png" class="header-img"></el-image> </div> <el-menu :default-active="activeIndex2" mode="horizontal" @select="handleSelect" background-color="#545c64" text-color="white" active-text-color="#ffd04b" style="margin-left: auto;"> <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> <el-menu-item index="3"><a href="学生列表.html" target="_self">首页</a></el-menu-item> </el-menu> </el-container> </el-header> <!-- 侧边栏区域 --> <el-container style="height: 580px; border: 1px solid #eee"> <el-aside width="200px" style="background-color: rgb(238, 241, 246)"> <el-menu :default-openeds="['1']"> <el-submenu index="1"> <template slot="title"><i class="el-icon-menu"></i>学工部</template> <el-menu-item-group> <el-menu-item index="1-1"><i class="el-icon-help"></i>在校学生管理</el-menu-item> <el-menu-item index="1-2"><i class="el-icon-help"></i>学生升级/留级</el-menu-item> <el-menu-item index="1-3"><i class="el-icon-help"></i>学生就业情况</el-menu-item> </el-menu-item-group> </el-submenu> <el-submenu index="2"> <template slot="title"><i class="el-icon-menu"></i>咨询部</template> <el-menu-item-group> <el-menu-item index="2-1"><i class="el-icon-help"></i>意向学生管理</el-menu-item> <el-menu-item index="2-2"><i class="el-icon-help"></i>未报名学生管理</el-menu-item> <el-menu-item index="2-3"><i class="el-icon-help"></i>已报名学生管理</el-menu-item> </el-menu-item-group> </el-submenu> <el-submenu index="3"> <template slot="title"><i class="el-icon-menu"></i>教研部</template> <el-menu-item-group> <el-menu-item index="3-1"><i class="el-icon-help"></i>已有课程管理</el-menu-item> <el-menu-item index="3-2"><i class="el-icon-help"></i>正在研发课程管理</el-menu-item> <el-menu-item index="3-3"><i class="el-icon-help"></i>新技术课程管理</el-menu-item> </el-menu-item-group> </el-submenu> </el-menu> </el-aside> <!-- 主区域 --> <el-container> <el-main> <b style="color: red;font-size: 20px;">学生列表</b> <div style="float:right"> <el-button type="primary">添加学生</el-button> </div> <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-column label="操作" width="180"> <el-button type="warning">编辑</el-button> <el-button type="danger">删除</el-button> </el-table-column> </el-table> </el-main> </el-container> </el-container> </el-container> </div> </body> <script> new Vue({ el:"#div", data:{ tableData:[ { date:"2088-08-08", name:"张三", address:"北京市昌平区" },{ date:"2088-08-08", name:"李四", address:"北京市昌平区" },{ date:"2088-08-08", name:"王五", address:"北京市昌平区" }, ] } }); </script> </html>