Element 介紹
什么是 Element ?
-
Element 是網站快速成型工具,是餓了么公司前端開發團隊提供的一套基於 Vue 的網站組件庫。
-
組件:組成網頁的部件,例如超鏈接、按鈕、圖片、表格等等。
-
使用 Element 的前提是必須要有 Vue。
樣式示例:
-
自己完成的按鈕:
-
Element 提供的按鈕:
Element 快速入門
開發步驟:
- 下載 Element 核心庫。
- 引入 Element 樣式文件。
- 引入 Vue 核心 js 文件。
- 引入 Element 核心 js 文件。
- 編寫按鈕標簽。
- 通過 Vue 核心對象加載元素。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<button>我是按鈕</button>
<hr>
<div id="app">
<el-row>
<el-button>默認按鈕</el-button>
<el-button type="primary">主要按鈕</el-button>
<el-button type="success">成功按鈕</el-button>
<el-button type="info">信息按鈕</el-button>
<el-button type="warning">警告按鈕</el-button>
<el-button type="danger">危險按鈕</el-button>
</el-row>
<br>
<el-row>
<el-button plain>朴素按鈕</el-button>
<el-button type="primary" plain>主要按鈕</el-button>
<el-button type="success" plain>成功按鈕</el-button>
<el-button type="info" plain>信息按鈕</el-button>
<el-button type="warning" plain>警告按鈕</el-button>
<el-button type="danger" plain>危險按鈕</el-button>
</el-row>
<br>
<el-row>
<el-button round>圓角按鈕</el-button>
<el-button type="primary" round>主要按鈕</el-button>
<el-button type="success" round>成功按鈕</el-button>
<el-button type="info" round>信息按鈕</el-button>
<el-button type="warning" round>警告按鈕</el-button>
<el-button type="danger" round>危險按鈕</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:"#app"
});
</script>
</html>
頁面效果:
Element 常用組件
基礎布局
Element 基礎布局可以將頁面分成最多 24 個部分(列),且可以自由切分。
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
<!-- 定義樣式 -->
<style>
.el-row {
/* 行距為20px */
margin-bottom: 20px;
}
.bg-purple-dark {
background: red;
}
.bg-purple {
background: blue;
}
.bg-purple-light {
background: green;
}
.grid-content {
/* 邊框圓潤度 */
border-radius: 4px;
/* 行高為36px */
min-height: 36px;
}
</style>
</head>
<body>
<button>我是按鈕</button>
<hr>
<div id="app">
<el-row>
<!-- span值最大為24,超過則元素不顯示 -->
<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:"#app"
});
</script>
</html>
頁面效果:
容器布局
容器布局:將頁面分成頭部區域、側邊欄區域、主區域、底部區域。
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
<!-- 定義樣式 -->
<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="app">
<!--
多個contatiner嵌套時,是多行分布的關系
-->
<el-container>
<el-header>頭部區域</el-header>
<el-container>
<el-aside width="200px">側邊欄區域</el-aside>
<el-container>
<el-main>主區域</el-main>
<el-footer>底部區域</el-footer>
</el-container>
</el-container>
</el-container>
</div>
</body>
<script>
new Vue({
el:"#app"
});
</script>
</html>
頁面效果:
表單組件
表單:由輸入框、下拉列表、單選框、多選框等控件組成,用以收集、校驗、提交數據。
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
<el-form-item label="活動名稱" prop="name">
<el-input v-model="ruleForm.name"></el-input>
</el-form-item>
<el-form-item label="活動區域" prop="region">
<el-select v-model="ruleForm.region" placeholder="請選擇活動區域">
<el-option label="區域一" value="shanghai"></el-option>
<el-option label="區域二" value="beijing"></el-option>
</el-select>
</el-form-item>
<el-form-item label="活動時間" required>
<el-col :span="11">
<el-form-item prop="date1">
<el-date-picker type="date" placeholder="選擇日期" 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="選擇時間" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
</el-form-item>
</el-col>
</el-form-item>
<el-form-item label="即時配送" prop="delivery">
<el-switch v-model="ruleForm.delivery"></el-switch>
</el-form-item>
<el-form-item label="活動性質" prop="type">
<el-checkbox-group v-model="ruleForm.type">
<el-checkbox label="美食/餐廳線上活動" name="type"></el-checkbox>
<el-checkbox label="地推活動" name="type"></el-checkbox>
<el-checkbox label="線下主題活動" name="type"></el-checkbox>
<el-checkbox label="單純品牌曝光" name="type"></el-checkbox>
</el-checkbox-group>
</el-form-item>
<el-form-item label="特殊資源" prop="resource">
<el-radio-group v-model="ruleForm.resource">
<el-radio label="線上品牌商贊助"></el-radio>
<el-radio label="線下場地免費"></el-radio>
</el-radio-group>
</el-form-item>
<el-form-item label="活動形式" 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')">立即創建</el-button>
<el-button @click="resetForm('ruleForm')">重置</el-button>
</el-form-item>
</el-form>
</div>
</body>
<script>
new Vue({
el:"#app",
data:{
ruleForm: {
name: '',
region: '',
date1: '',
date2: '',
delivery: false,
type: [],
resource: '',
desc: ''
},
rules: {
name: [
{ required: true, message: '請輸入活動名稱', trigger: 'blur' },
{ min: 3, max: 5, message: '長度在 3 到 5 個字符', trigger: 'blur' }
],
region: [
{ required: true, message: '請選擇活動區域', trigger: 'change' }
],
date1: [
{ type: 'date', required: true, message: '請選擇日期', trigger: 'change' }
],
date2: [
{ type: 'date', required: true, message: '請選擇時間', trigger: 'change' }
],
type: [
{ type: 'array', required: true, message: '請至少選擇一個活動性質', trigger: 'change' }
],
resource: [
{ required: true, message: '請選擇活動資源', trigger: 'change' }
],
desc: [
{ required: true, message: '請填寫活動形式', 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>
頁面效果:
表格組件
表格:用於展示多條結構類似的數據,可對數據進行編輯、刪除或其他自定義操作。
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
<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">編輯</el-button>
<el-button type="danger">刪除</el-button>
</el-table-column>
</el-table>
</template>
</div>
</body>
<script>
new Vue({
el:"#app",
data:{
tableData: [{
date: '2016-05-02',
name: '王小龍',
address: '上海市普陀區金沙江路 1518 弄'
}, {
date: '2016-05-04',
name: '王小虎',
address: '上海市普陀區金沙江路 1517 弄'
}, {
date: '2016-05-01',
name: '石黑豹',
address: '上海市普陀區金沙江路 1519 弄'
}]
}
});
</script>
</html>
頁面效果:
頂部導航欄組件
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
<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">處理中心</el-menu-item>
<el-submenu index="2">
<template slot="title">我的工作台</template>
<el-menu-item index="2-1">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>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">訂單管理</a></el-menu-item>
</el-menu>
</div>
</body>
<script>
new Vue({
el:"#app"
});
</script>
</html>
側邊導航欄組件
示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Element</title>
<!-- 引入 Element 樣式文件 -->
<link rel="stylesheet" href="../node_modules/element-ui/lib/theme-chalk/index.css">
<!-- 引入 Vue 核心 js 文件 -->
<script src="../node_modules/vue/dist/vue.js"></script>
<!-- 引入 Element 核心 js 文件 -->
<script src="../node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
<el-col :span="6"> <!-- 側邊導航欄寬度 -->
<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>導航一</span>
</template>
<el-menu-item-group>
<template slot="title">分組一</template>
<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">
<template slot="title">選項4</template>
<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>
</el-col>
</div>
</body>
<script>
new Vue({
el:"#app"
});
</script>
</html>