How to use Layui to develop a draggable dashboard component-JS Tutorial-php.cn

How to use Layui to develop a draggable dashboard component

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Release： 2023-10-24 11:24:33

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How to use Layui to develop a draggable dashboard component

How to use Layui to develop a dashboard component that supports drag-and-drop

Introduction:
With the development of the Internet, the needs of Web applications have become increasingly complex and diverse. . In many web applications, the dashboard is a common and important component, used to display various data and indicators to assist users in decision-making and analysis. This article will introduce how to use the Layui framework to develop a dashboard component that supports drag-and-drop to improve the user's operating experience.

Technical background:
Layui is a lightweight front-end development framework that provides rich UI components and powerful modular development capabilities. It is simple to use, has streamlined code, and is suitable for quickly building beautiful and efficient web interfaces.

Implementation ideas:
We will use Layui's drag and drop components and panel components to implement the drag and drop function of the dashboard. First, the drag-and-drop function of each element in the dashboard is realized through the drag-and-drop component, and then the layout and style adjustment is realized by combining the panel component.

The specific implementation steps are as follows:

Step 1: Introduce the Layui library and related resource files
In the HTML file, we need to introduce Layui’s core library and related resource files, including layui .js, layui.css, and icon libraries such as font-awesome (optional).

Step 2: Create HTML page structure
In the HTML file, create a container element to wrap the entire dashboard component. A dashboard can contain multiple panels, each representing a module or data metric.

Step 3: Initialize Layui components
In the JavaScript code, we need to use Layui related components to initialize the dashboard. First, introduce the required modules, such as drag components and panel components, through the layui.use() method. Then, use relevant APIs to create drag areas and panels, and bind event listeners.

Step 4: Implement the drag-and-drop function
Use Layui's drag-and-drop component to implement the drag-and-drop function of elements in the dashboard. By setting the drag area and the class name of the draggable element, the drag effect of the element can be achieved. At the end of dragging, you can use callback functions to handle dragging events, such as updating layout and saving position information.

Step 5: Implement the panel function
Use Layui's panel component to realize the layout and style adjustment of the panel in the dashboard. Title, content, style, etc. can be set using the panel's various configuration options. By listening to panel events, interactive effects such as panel expansion and contraction can be achieved.

Step 6: Improve other functions
In actual development, other functions may need to be added, such as data update, indicator query, etc. You can use Layui's related components and APIs to implement these functions according to specific needs.

Code sample:
The following is a simple sample code to demonstrate how to use Layui to develop a dashboard component that supports drag-and-drop.

HTML code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>可拖拽仪表盘</title>
  <link rel="stylesheet" href="layui.css">
</head>
<body>
  <div id="dashboard" class="layui-container"></div>

  <script src="layui.js"></script>
  <script>
    layui.use(['element', 'flow'], function(){
      var element = layui.element;
      var flow = layui.flow;

      // 创建仪表盘

      // 实现拖拽功能

      // 实现面板功能

      // 添加其它功能

    });
  </script>
</body>
</html>

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JavaScript code:

// 创建仪表盘
function createDashboard() {
  var dashboardElem = document.getElementById('dashboard');

  // 创建面板

  // ...

  dashboardElem.appendChild(panelElem);
}

// 实现拖拽功能
function initDraggable() {
  layui.use(['jquery', 'form', 'element'], function(){
    var $ = layui.jquery;
    var form = layui.form;
    var element = layui.element;

    // 设置可拖拽区域和元素的class名称
    $('.layui-container').sortable({items: '.layui-card', handle: '.layui-card-header'});

    // 拖拽结束时更新布局和保存位置信息
    $('.layui-container').on('sortstop', function(){
      // 更新布局

      // 保存位置信息
    });
  });
}

// 实现面板功能
function initPanel() {
  layui.use('element', function(){
    var element = layui.element;

    // 监听面板事件

    // ...
  });
}

// 添加其它功能
function addOtherFeature() {
  layui.use('flow', function(){
    var flow = layui.flow;

    // 添加其它功能

    // ...
  });
}

// 页面加载完成后初始化仪表盘
layui.use('form', function(){
  var form = layui.form;

  // 加载完成
  createDashboard();
  initDraggable();
  initPanel();
  addOtherFeature();
});

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Conclusion:
This article introduces how to use Layui to develop a dashboard component that supports drag-and-drop. By using Layui's drag and drop components and panel components, we can quickly implement a fully functional and easy-to-use dashboard. I hope this article is helpful to you and I wish you happy development!

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