This article directory
3.2.1 Container layout container
1. Introduction to Element UI
ElementUI is a set of desktop-side component libraries based on VUE2.0. ElementUI provides a wealth of components to help developers quickly build pages with powerful functions and unified styles.
ElementUI official website https://element.eleme.io
2. Install
2.1 npm installation
It is recommended to use npm to install, it can be used with webpack packaging tool.
npm i element-ui -S2.2 CDN installation
At present, the latest version of resources can be obtained through unpkg.com/element-ui , and the js and css files can be introduced on the page to start using.
<!-- 引入样式 -->
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<!-- 引入组件库 -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>3. Import components
You can import the entire Element, or only some components as needed. Let's first introduce how to introduce a complete Element.
3.1 Complete introduction
Write the following in main.js
import Vue from 'vue';
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import App from './App.vue';
Vue.use(ElementUI);
new Vue({
el: '#app',
render: h => h(App)
});3.2 Common components
3.2.1 Container layout container
The container component used for layout is convenient for quickly building the basic structure of the page:
<el-container>: Outer container. When child elements contain <el-header>or <el-footer>, all child elements will be arranged vertically up and down, otherwise they will be arranged horizontally.
<el-header>: Top bar container.
<el-aside>: The sidebar container.
<el-main>: Main area container.
<el-footer>: Bottom bar container.
<el-container>
<el-header>Header</el-header>
<el-main>Main</el-main>
</el-container>
<el-container>
<el-header>Header</el-header>
<el-main>Main</el-main>
<el-footer>Footer</el-footer>
</el-container>
<el-container>
<el-aside width="200px">Aside</el-aside>
<el-main>Main</el-main>
</el-container>
<el-container>
<el-header>Header</el-header>
<el-container>
<el-aside width="200px">Aside</el-aside>
<el-main>Main</el-main>
</el-container>
</el-container>
<el-container>
<el-header>Header</el-header>
<el-container>
<el-aside width="200px">Aside</el-aside>
<el-container>
<el-main>Main</el-main>
<el-footer>Footer</el-footer>
</el-container>
</el-container>
</el-container>
<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>
<el-container>
<el-aside width="200px">Aside</el-aside>
<el-container>
<el-header>Header</el-header>
<el-main>Main</el-main>
<el-footer>Footer</el-footer>
</el-container>
</el-container>
<style>
.el-header, .el-footer {
background-color: #B3C0D1;
color: #333;
text-align: center;
line-height: 60px;
}
.el-aside {
background-color: #D3DCE6;
color: #333;
text-align: center;
line-height: 200px;
}
.el-main {
background-color: #E9EEF3;
color: #333;
text-align: center;
line-height: 160px;
}
body > .el-container {
margin-bottom: 40px;
}
.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
line-height: 260px;
}
.el-container:nth-child(7) .el-aside {
line-height: 320px;
}
</style>3.2.2 Select selector
Use drop-down menus to display and select content when there are too many options.
<template>
<el-select v-model="value" placeholder="请选择">
<el-option
v-for="item in cities"
:key="item.value"
:label="item.label"
:value="item.value">
<span style="float: left">{
{ item.label }}</span>
<span style="float: right; color: #8492a6; font-size: 13px">{
{ item.value }}</span>
</el-option>
</el-select>
</template>
<script>
export default {
data() {
return {
cities: [{
value: 'Beijing',
label: '北京'
}, {
value: 'Shanghai',
label: '上海'
}, {
value: 'Nanjing',
label: '南京'
}, {
value: 'Chengdu',
label: '成都'
}, {
value: 'Shenzhen',
label: '深圳'
}, {
value: 'Guangzhou',
label: '广州'
}],
value: ''
}
}
}
</script>3.2.3 From form
It consists of controls such as input boxes, selectors, radio boxes, and multi-select boxes to collect, verify, and submit data
<el-form ref="form" :model="form" label-width="80px">
<el-form-item label="活动名称">
<el-input v-model="form.name"></el-input>
</el-form-item>
<el-form-item label="活动区域">
<el-select v-model="form.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">
<el-col :span="11">
<el-date-picker type="date" placeholder="选择日期" v-model="form.date1" style="width: 100%;"></el-date-picker>
</el-col>
<el-col class="line" :span="2">-</el-col>
<el-col :span="11">
<el-time-picker placeholder="选择时间" v-model="form.date2" style="width: 100%;"></el-time-picker>
</el-col>
</el-form-item>
<el-form-item label="即时配送">
<el-switch v-model="form.delivery"></el-switch>
</el-form-item>
<el-form-item label="活动性质">
<el-checkbox-group v-model="form.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">
<el-radio-group v-model="form.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">
<el-input type="textarea" v-model="form.desc"></el-input>
</el-form-item>
<el-form-item>
<el-button type="primary" @click="onSubmit">立即创建</el-button>
<el-button>取消</el-button>
</el-form-item>
</el-form>
<script>
export default {
data() {
return {
form: {
name: '',
region: '',
date1: '',
date2: '',
delivery: false,
type: [],
resource: '',
desc: ''
}
}
},
methods: {
onSubmit() {
console.log('submit!');
}
}
}
</script>In the Form component, each form field is composed of a Form-Item component, and various types of form controls can be placed in the form field, including Input, Select, Checkbox, Radio, Switch, DatePicker, TimePicker
3.2.4 Calendar Calendar
<el-calendar>
<!-- 这里使用的是 2.5 slot 语法，对于新项目请使用 2.6 slot 语法-->
<template
slot="dateCell"
slot-scope="{date, data}">
<p :class="data.isSelected ? 'is-selected' : ''">
{
{ data.day.split('-').slice(1).join('-') }} {
{ data.isSelected ? '✔️' : ''}}
</p>
</template>
</el-calendar>
<style>
.is-selected {
color: #1989FA;
}
</style>