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How to use the Layui framework for backend management system development
How to use the Layui framework for backend management system development
Oct 24, 2023 am 10:43 AM
Layui is a lightweight front-end UI framework, suitable for quickly building back-end management systems. This article will introduce how to use the Layui framework for backend management system development and provide specific code examples.
1. Environment preparation
First, make sure you have installed the latest version of the layui library. You can download and import the corresponding files from the Layui official website. In your project, you need to introduce the two files layui.all.js and layui.all.css.
2. Page structure
When using the Layui framework to develop a backend management system, it usually consists of multiple pages. We can use the layout module provided by Layui to implement the overall structure of the page.
<!-- 頭部內容 -->
<!-- 側邊欄內容 -->
<!-- 主體內容區(qū)域 -->
< /div>
Code explanation:
- layui-layout is the outermost container of the entire page.
- layui-header is the header area of ??the page, used to display the system's logo, menu, login information, etc.
- layui-side is the sidebar area used to display the system menu.
- layui-body is the main content area, used to display the specific content of the page.
3. Using modules
Layui provides a wealth of modules, such as forms, tables, pop-up windows, etc., which can easily implement various functions. Below, we'll introduce some commonly used modules and how to use them.
3.1 Form module
The form module is a necessary module for developing backend management systems. Layui provides a series of form elements and validation rules that can easily build form pages.
layui.use('form', function(){
var form = layui.form;
// Form submission event
form.on('submit(formDemo )', function(data){
layer.msg(JSON.stringify(data.field)); return false;
});
// Form verification
form.verify({
username: function(value, item){ // value：表單的值、item：表單的DOM對象
if(!/^[w]{6,12}$/.test(value)){
return '用戶名必須由6到12位的字母、數(shù)字、下劃線組成';
}
},
password: [
/^[S]{6,12}$/,
'密碼必須由6到12位的非空白字符組成'
]});
} );
Code explanation:
- Load the form module through the layui.use method.
- In form.on('submit', function(data){}), we can handle the form submission event. data.field can get all the data in the form.
- The form.verify method is used to customize the validation rules of the form.
3.2 Table module
The table module can be used to display data and provide search, paging, sorting and other functions.
layui.use('table', function(){
var table = layui.table;
// Render table
table.render({
elem: '#tableDemo', // 指定表格容器
url: '/api/data', // 請求數(shù)據的接口
page: true, // 開啟分頁
cols: [[ // 表頭
{field: 'id', title: 'ID', sort: true},
{field: 'username', title: '用戶名'},
{field: 'email', title: '郵箱'}
]] });
});
Code explanation:
- Load the table module through the layui.use method.
- Render the table through the table.render method, where elem specifies the selector of the table container, url specifies the interface for requesting data, page enables paging, and cols defines the table header.
4. Summary
Using the Layui framework for backend management system development can quickly build an interface with a good user experience. This article introduces the basic page structure and common modules using Layui, and provides corresponding code examples. Through learning and practice, I believe you will be able to skillfully apply the Layui framework to develop a high-quality backend management system.
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