A detailed introduction to the ElementUI component library
This article brings you relevant knowledge about vue, which mainly introduces related issues about the ElementUI component library. The ElementUI component library is a set of desktop component libraries based on vue2.0 , provides a wealth of components to help developers quickly build pages. Let’s take a look at them. I hope it will be helpful to everyone.
【Related recommendations: javascript video tutorial, vue.js tutorial】
ElementUI introduction
ElementUI is a set of desktop component libraries based on VUE2.0. ElementUI provides a rich set of components to help developers quickly build pages with powerful functions and unified styles.
Official website address: http://element-cn.eleme.io/#/zh-CN
Introduce js and css files on the page to start using it, as follows:
<!-- 引入ElementUI样式 --> <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css"> <script src="https://unpkg.com/vue/dist/vue.js"></script> <!-- 引入ElementUI组件库 --> <script src="https://unpkg.com/element-ui/lib/index.js"></script>
Container Layout Container
Container component used for layout, convenient for quickly building the basic structure of the page:
<el-container>: outer container . When the child elements contain <el-header> or <el-footer>, all child elements will be arranged vertically up and down, otherwise they will be arranged horizontally left and right
<el-header>：Top bar container
<el-aside>：Side bar container
< ;el-main>：Main area container
<el-footer>：Bottom column container
<body>
<div id="app">
<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>
</div>
<style>
.el-header, .el-footer {
background-color: #B3C0D1;
color: #333;
text-align: left;
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: 590px;
}
</style>
</body>
<script>
new Vue({
el:'#app'
});
</script>Dropdown drop-down menu
Collapse an action or menu into a drop-down menu.
<el-dropdown split-button size="small" trigger="click"> 个人中心 <el-dropdown-menu> <el-dropdown-item >退出系统</el-dropdown-item> <el-dropdown-item divided>修改密码</el-dropdown-item> <el-dropdown-item divided>联系管理员</el-dropdown-item> </el-dropdown-menu> </el-dropdown>
NavMenu Navigation Menu
A menu that provides navigation functions for the website.
<el-menu> <el-submenu index="1"> <template slot="title"> <i class="el-icon-location"></i> <span slot="title">导航一</span> </template> <el-menu-item>选项1</el-menu-item> <el-menu-item>选项2</el-menu-item> <el-menu-item>选项3</el-menu-item> </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>选项1</el-menu-item> <el-menu-item>选项2</el-menu-item> <el-menu-item>选项3</el-menu-item> </el-submenu> </el-menu>
Table Table
is used to display multiple pieces of data with similar structure. The data can be sorted, filtered, compared or other customized operations.
<el-table :data="tableData" stripe>
<el-table-column prop="date" label="日期"></el-table-column>
<el-table-column prop="name" label="姓名"></el-table-column>
<el-table-column prop="address" label="地址"></el-table-column>
<el-table-column label="操作" align="center">
<!--
slot-scope：作用域插槽，可以获取表格数据
scope：代表表格数据，可以通过scope.row来获取表格当前行数据，scope不是固定写法
-->
<template slot-scope="scope">
<el-button type="primary" size="mini" @click="handleUpdate(scope.row)">编辑</el-button>
<el-button type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
</template>
</el-table-column>
</el-table>
<script>
new Vue({
el:'#app',
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'
}]
},
methods:{
handleUpdate(row){
alert(row.date);
},
handleDelete(row){
alert(row.date);
}
}
});
</script>Pagination Pagination
When the amount of data is too large, use paging to break down the data.
<!--
current-change：内置的事件，当前页码改变时会触发，可以获取到改变之后的页码
-->
<el-pagination
@current-change="handleCurrentChange"
current-page="5"
page-size="10"
layout="total, prev, pager, next, jumper"
:total="305">
</el-pagination>
<script>
new Vue({
el:'#app',
methods:{
handleCurrentChange(page){
alert(page);
}
}
});
</script>Message message prompt
is often used as a feedback prompt after active operations.
<el-button :plain="true" @click="open1">消息</el-button>
<el-button :plain="true" @click="open2">成功</el-button>
<el-button :plain="true" @click="open3">警告</el-button>
<el-button :plain="true" @click="open4">错误</el-button>
<script>
new Vue({
el: '#app',
methods: {
open1() {
this.$message('这是一条消息提示');
},
open2() {
this.$message({
message: '恭喜你，这是一条成功消息',
type: 'success'
});
},
open3() {
this.$message({
message: '警告哦，这是一条警告消息',
type: 'warning'
});
},
open4() {
this.$message.error('错了哦，这是一条错误消息');
}
}
})
</script>Tabs Tab page
Separate data collections that are related in content but belong to different categories.
<h3>基础的、简洁的标签页</h3>
<!--
通过value属性来指定当前选中的标签页
-->
<el-tabs value="first">
<el-tab-pane label="用户管理" name="first">用户管理</el-tab-pane>
<el-tab-pane label="配置管理" name="second">配置管理</el-tab-pane>
<el-tab-pane label="角色管理" name="third">角色管理</el-tab-pane>
<el-tab-pane label="定时任务补偿" name="fourth">定时任务补偿</el-tab-pane>
</el-tabs>
<h3>选项卡样式的标签页</h3>
<el-tabs value="first" type="card">
<el-tab-pane label="用户管理" name="first">用户管理</el-tab-pane>
<el-tab-pane label="配置管理" name="second">配置管理</el-tab-pane>
<el-tab-pane label="角色管理" name="third">角色管理</el-tab-pane>
<el-tab-pane label="定时任务补偿" name="fourth">定时任务补偿</el-tab-pane>
</el-tabs>
<h3>卡片化的标签页</h3>
<el-tabs value="first" type="border-card">
<el-tab-pane label="用户管理" name="first">用户管理</el-tab-pane>
<el-tab-pane label="配置管理" name="second">配置管理</el-tab-pane>
<el-tab-pane label="角色管理" name="third">角色管理</el-tab-pane>
<el-tab-pane label="定时任务补偿" name="fourth">定时任务补偿</el-tab-pane>
</el-tabs>
<script>
new Vue({
el: '#app'
})
</script>Form Form
is composed of input boxes, selectors, radio buttons, multi-select boxes and other controls, and is used to collect, verify and submit data. In the Form component, each form field is composed of a Form-Item component. Various types of form controls can be placed in the form field, including Input, Select, Checkbox, Radio, Switch, DatePicker, and TimePicker.
<!--
rules：表单验证规则
-->
<el-form ref="form" :model="form" :rules="rules" label-width="80px">
<!--
prop：表单域 model 字段，在使用 validate、resetFields 方法的情况下，该属性是必填的
-->
<el-form-item label="活动名称" prop="name">
<el-input v-model="form.name"></el-input>
</el-form-item>
<el-form-item label="活动区域" prop="region">
<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 type="fixed-time" 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-form-item>
</el-form>
<script>
new Vue({
el: '#app',
data:{
form: {
name: '',
region: '',
date1: '',
date2: '',
delivery: false,
type: [],
resource: '',
desc: ''
},
//定义校验规则
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' }
]
}
},
methods:{
onSubmit() {
console.log(this.form);
//validate：对整个表单进行校验的方法，参数为一个回调函数。
//该回调函数会在校验结束后被调用，并传入两个参数：是否校验成功和未通过校验的字段。
this.$refs['form'].validate((valid) => {
if (valid) {
alert('submit!');
} else {
console.log('error submit!!');
return false;
}
});
}
}
})
</script>【Related recommendations: javascript video tutorial, vue.js tutorial】
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