在Java中如何开发简易任务分配系统_任务分配系统项目实战解析

public class Task {
    private int id;
    private String title;
    private String description;
    private String status; // 如 "待处理", "进行中", "已完成"
    private String priority; // 如 "高", "中", "低"
    private String assignee; // 负责人用户名
    private String deadline;

    // 构造方法、getter/setter 省略
}

public class User {
    private String username;
    private String role; // 如 "admin", "member"

    // 构造方法、getter/setter
}

import java.util.*;

public class TaskManager {
    private List<Task> tasks = new ArrayList<>();
    private List<User> users = new ArrayList<>();
    private int taskIdCounter = 1;

    public void addTask(Task task) {
        task.setId(taskIdCounter++);
        tasks.add(task);
    }

    public List<Task> getTasksByAssignee(String username) {
        return tasks.stream()
                .filter(t -> t.getAssignee().equals(username))
                .toList();
    }

    public void updateTaskStatus(int taskId, String newStatus) {
        tasks.stream()
                .filter(t -> t.getId() == taskId)
                .findFirst()
                .ifPresent(t -> t.setStatus(newStatus));
    }
}

public class TaskSystem {
    private TaskManager manager = new TaskManager();
    private Scanner scanner = new Scanner(System.in);

    public void start() {
        System.out.println("欢迎使用任务分配系统");
        while (true) {
            System.out.println("\n1. 创建任务  2. 分配任务  3. 查看我的任务  4. 更新任务状态  5. 退出");
            System.out.print("请选择操作：");
            int choice = scanner.nextInt();
            scanner.nextLine(); // 消费换行

            switch (choice) {
                case 1:
                    createTask();
                    break;
                case 2:
                    assignTask();
                    break;
                case 3:
                    viewMyTasks();
                    break;
                case 4:
                    updateTaskStatus();
                    break;
                case 5:
                    System.out.println("退出系统");
                    return;
                default:
                    System.out.println("无效选择");
            }
        }
    }

    private void createTask() {
        System.out.print("任务标题：");
        String title = scanner.nextLine();
        Task task = new Task();
        task.setTitle(title);
        task.setStatus("待处理");
        // 设置其他字段...
        manager.addTask(task);
        System.out.println("任务创建成功，ID：" + task.getId());
    }
    // 其他方法略
}

public static void main(String[] args) {
    new TaskSystem().start();
}