【前端】简易化看板
项目简介
看板分为三个模块，分别是待办，正在做，已做完三个部分。每个事件采取"卡片"式设计，支持任务间拖拽，删除等操作。
代码
import React, { useState } from 'react';
import { Card, CardContent } from '@/components/ui/card';
import { Input } from '@/components/ui/input';
import { Button } from '@/components/ui/button';const KanbanBoard = () => {const [tasks, setTasks] = useState({todo: [{ id: '1', title: '设计新的登录页面' },{ id: '2', title: '优化数据库查询' }],doing: [{ id: '3', title: '实现用户认证功能' },{ id: '4', title: '编写单元测试' }],done: [{ id: '5', title: '更新API文档' },{ id: '6', title: '修复登录bug' }]});const [newTasks, setNewTasks] = useState({todo: '',doing: '',done: ''});const onDragStart = (e, id, sourceColumn) => {e.dataTransfer.setData('text/plain', JSON.stringify({ id, sourceColumn }));};const onDragOver = (e) => {e.preventDefault();};const onDrop = (e, targetColumn) => {e.preventDefault();const { id, sourceColumn } = JSON.parse(e.dataTransfer.getData('text'));if (sourceColumn === targetColumn) return;const updatedTasks = { ...tasks };const taskToMove = updatedTasks[sourceColumn].find(task => task.id === id);updatedTasks[sourceColumn] = updatedTasks[sourceColumn].filter(task => task.id !== id);updatedTasks[targetColumn].push(taskToMove);setTasks(updatedTasks);};const addTask = (column) => {if (newTasks[column].trim()) {const updatedTasks = { ...tasks };updatedTasks[column] = [...tasks[column], { id: Date.now().toString(), title: newTasks[column]}];setTasks(updatedTasks);setNewTasks({...newTasks, [column]: ''});}};const deleteTask = (columnId, taskId) => {const updatedTasks = { ...tasks };updatedTasks[columnId] = tasks[columnId].filter(task => task.id !== taskId);setTasks(updatedTasks);};const renderTask = (task, columnId) => (<Card key={task.id}draggableonDragStart={(e) => onDragStart(e, task.id, columnId)}className="mb-2 shadow-sm hover:shadow-md transition-shadow duration-200"><CardContent className="p-3 flex justify-between items-center"><p className="text-sm font-medium text-gray-700 truncate flex-grow mr-2">{task.title}</p><Button onClick={() => deleteTask(columnId, task.id)}className="text-gray-400 hover:text-red-500 transition-colors duration-200 flex-shrink-0"variant="ghost"size="sm">×</Button></CardContent></Card>);const renderColumn = (title, columnId) => (<div className="flex-1 min-w-[250px] bg-gray-50 rounded-lg p-4 border border-gray-200"onDragOver={onDragOver}onDrop={(e) => onDrop(e, columnId)}><h2 className="text-lg font-semibold mb-4 text-gray-700">{title}</h2><div className="space-y-2">{tasks[columnId].map(task => renderTask(task, columnId))}</div><div className="mt-4"><Inputtype="text"value={newTasks[columnId]}onChange={(e) => setNewTasks({...newTasks, [columnId]: e.target.value})}placeholder={`添加任务到 ${title}`}className="mb-2"/><Button onClick={() => addTask(columnId)} className="w-full bg-blue-500 hover:bg-blue-600 text-white">添加任务</Button></div></div>);return (<div className="container mx-auto p-6 bg-white"><header className="text-center mb-8"><h1 className="text-3xl font-bold text-gray-800">SeeBoard</h1></header><div className="flex flex-wrap gap-6">{renderColumn('待办', 'todo')}{renderColumn('进行中', 'doing')}{renderColumn('已完成', 'done')}</div></div>);
};export default KanbanBoard;
效果图
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