How to use Layui to develop a drag-and-drop task allocation management system

Title: Using Layui to develop a drag-and-drop task allocation management system

Introduction:
With the increase in the number and complexity of tasks, a Efficient task allocation management systems have become increasingly important. This article will introduce how to use the Layui framework to develop a task allocation management system that supports drag-and-drop, and provide specific code examples.

1. Introduction to Layui
Layui is a lightweight modular front-end framework. It has rich components and simple and easy-to-use APIs, and is suitable for quickly building various front-end applications. In the development of this system, we will use the Drag module in Layui to implement the drag and drop function of tasks.

2. System function design

1. Task list display: The system should be able to display all tasks so that administrators can view and assign tasks.
2. Drag-and-drop function: Administrators can drag tasks from one state to another to achieve task assignment and progress tracking.
3. Task details: Administrators can click on the task card to view the details of the task, including task name, description, person in charge, deadline, etc.
4. Task filtering and search: The system should provide task filtering and search functions so that administrators can quickly find specific tasks.

3. System development steps

1. Front-end page design:
   a. Create a task list page and use Layui's table component to display the task list.
   b. Add the properties of the Drag module to each task card so that the task card can be dragged and dropped.
   c. Style the task card so that it meets the system requirements.
2. Back-end data processing:
   a. Use back-end languages ​​(such as Java, Python, etc.) to create a simple server.
   b. Create an interface to provide task data to the front end. This interface can return information about all tasks.
3. Front-end and back-end interaction:
   a. Use Layui's table module to send a GET request to obtain task data and fill the data into the table.
   b. When a task is dragged to another state, send a POST request to update the task status to the backend server.

4. Code Example
The following is a simple front-end code example to show the basic drag and drop function implementation:

<!--HTML代码-->
<div id="task1" class="taskCard" lay-drag="taskMove">任务1</div>
<div id="task2" class="taskCard" lay-drag="taskMove">任务2</div>
<div id="task3" class="taskCard" lay-drag="taskMove">任务3</div>

<!--JavaScript代码-->
layui.use('element', function(){
  var element = layui.element;

  //拖拽回调
  element.on('taskMove(demo)', function(data){
    console.log(data.elem) //当前被拖拽的任务
    console.log(data.event) //拖拽时的事件类型
    console.log(data.start) //开始拖拽时的位置信息
    console.log(data.end) //结束拖拽时的位置信息
  });
});

The above code shows how to use Layui Drag module to implement the drag and drop function of tasks. Set lay-drag="taskMove" on the task card to make it draggable. When a drag action occurs, the relevant information of the task can be obtained through the callback function to further update the task status.

Conclusion:
This article introduces how to use the Layui framework to develop a task allocation management system that supports drag-and-drop. Through Layui's Drag module, we can easily implement the drag-and-drop function of tasks and improve the efficiency of task management. Through the sample code in this article, readers can quickly master the use of Layui and apply it to actual projects. Hope this article is helpful to readers.

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