main/keshe.java

import java.util.*;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;

// 员工实体类
class Employee {
    private String id;
    private String name;
    private String gender;
    private String department;
    private String contact;
    private String education;
    private String role; // "admin" 或 "employee"
    private String password;
    private double baseSalary; // 基本工资

    public Employee(String id, String name, String gender, String department,
                    String contact, String education, String role, String password, double baseSalary) {
        this.id = id;
        this.name = name;
        this.gender = gender;
        this.department = department;
        this.contact = contact;
        this.education = education;
        this.role = role;
        this.password = password;
        this.baseSalary = baseSalary;
    }

    // Getters and setters
    public String getId() { return id; }
    public String getName() { return name; }
    public String getGender() { return gender; }
    public String getDepartment() { return department; }
    public String getContact() { return contact; }
    public String getEducation() { return education; }
    public String getRole() { return role; }
    public String getPassword() { return password; }
    public double getBaseSalary() { return baseSalary; }

    public void setName(String name) { this.name = name; }
    public void setGender(String gender) { this.gender = gender; }
    public void setDepartment(String department) { this.department = department; }
    public void setContact(String contact) { this.contact = contact; }
    public void setEducation(String education) { this.education = education; }
    public void setBaseSalary(double baseSalary) { this.baseSalary = baseSalary; }

    @Override
    public String toString() {
        return "ID: " + id + ", 姓名: " + name + ", 部门: " + department +
                ", 联系方式: " + contact + ", 基本工资: " + baseSalary;
    }
}

// 考勤记录实体类
class Attendance {
    private String id;
    private String employeeId;
    private LocalDate date;
    private double workHours;
    private double overtimeHours;
    private String status; // 正常、迟到、早退、缺勤等
    private String notes;

    public Attendance(String id, String employeeId, LocalDate date,
                      double workHours, double overtimeHours, String status, String notes) {
        this.id = id;
        this.employeeId = employeeId;
        this.date = date;
        this.workHours = workHours;
        this.overtimeHours = overtimeHours;
        this.status = status;
        this.notes = notes;
    }

    // Getters and setters
    public String getEmployeeId() { return employeeId; }
    public LocalDate getDate() { return date; }
    public double getWorkHours() { return workHours; }
    public double getOvertimeHours() { return overtimeHours; }
    public String getStatus() { return status; }

    @Override
    public String toString() {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
        return "员工ID: " + employeeId + ", 日期: " + date.format(formatter) +
                ", 工作小时: " + workHours + ", 加班小时: " + overtimeHours +
                ", 状态: " + status + ", 备注: " + notes;
    }
}

// 薪资记录实体类
class Salary {
    private String id;
    private String employeeId;
    private String month; // 格式: YYYY-MM
    private double baseSalary;
    private double overtimePay;
    private double totalSalary;

    public Salary(String id, String employeeId, String month,
                  double baseSalary, double overtimePay) {
        this.id = id;
        this.employeeId = employeeId;
        this.month = month;
        this.baseSalary = baseSalary;
        this.overtimePay = overtimePay;
        this.totalSalary = baseSalary + overtimePay;
    }

    // Getters
    public String getEmployeeId() { return employeeId; }
    public String getMonth() { return month; }
    public double getBaseSalary() { return baseSalary; }
    public double getOvertimePay() { return overtimePay; }
    public double getTotalSalary() { return totalSalary; }

    @Override
    public String toString() {
        return "员工ID: " + employeeId + ", 月份: " + month +
                ", 基本工资: " + baseSalary + ", 加班费: " + overtimePay +
                ", 实发工资: " + totalSalary;
    }
}

// 工资管理系统主类
 class InteractiveSalarySystem {
    private Map<String, Employee> employees = new HashMap<>();
    private List<Attendance> attendanceRecords = new ArrayList<>();
    private List<Salary> salaryRecords = new ArrayList<>();
    private Employee currentUser;
    private Scanner scanner = new Scanner(System.in);

    // 初始化一个管理员账户
    public void initializeAdmin() {
        Employee admin = new Employee("AD001", "系统管理员", "男", "管理部",
                "000-00000000", "硕士", "admin", "admin123", 15000);
        employees.put(admin.getId(), admin);
        System.out.println("系统初始化完成，已创建管理员账户:");
        System.out.println("用户名: AD001, 密码: admin123");
    }

    // 用户登录
    public boolean login() {
        System.out.println("\n=== 用户登录 ===");
        System.out.print("请输入用户ID: ");
        String userId = scanner.nextLine();
        System.out.print("请输入密码: ");
        String password = scanner.nextLine();

        Employee employee = employees.get(userId);
        if (employee != null && employee.getPassword().equals(password)) {
            currentUser = employee;
            System.out.println("登录成功！欢迎 " + employee.getName());
            return true;
        }
        System.out.println("用户名或密码错误，请重新输入");
        return false;
    }

    // 注销
    public void logout() {
        currentUser = null;
        System.out.println("已成功注销");
    }

    // 添加员工
    public void addEmployee() {
        if (currentUser == null || !"admin".equals(currentUser.getRole())) {
            System.out.println("权限不足，需要管理员权限");
            return;
        }

        System.out.println("\n=== 添加新员工 ===");
        System.out.print("员工ID: ");
        String id = scanner.nextLine();

        if (employees.containsKey(id)) {
            System.out.println("员工ID已存在，请使用不同的ID");
            return;
        }

        System.out.print("姓名: ");
        String name = scanner.nextLine();
        System.out.print("性别: ");
        String gender = scanner.nextLine();
        System.out.print("部门: ");
        String department = scanner.nextLine();
        System.out.print("联系方式: ");
        String contact = scanner.nextLine();
        System.out.print("学历: ");
        String education = scanner.nextLine();
        System.out.print("基本工资: ");
        double baseSalary = 0;
        try {
            baseSalary = Double.parseDouble(scanner.nextLine());
        } catch (NumberFormatException e) {
            System.out.println("无效的工资数值，设置默认值5000");
            baseSalary = 5000;
        }
        System.out.print("初始密码: ");
        String password = scanner.nextLine();

        Employee newEmployee = new Employee(id, name, gender, department,
                contact, education, "employee", password, baseSalary);
        employees.put(id, newEmployee);
        System.out.println("员工添加成功: " + name);
    }

    // 记录考勤
    public void recordAttendance() {
        if (currentUser == null || !"admin".equals(currentUser.getRole())) {
            System.out.println("权限不足，需要管理员权限");
            return;
        }

        System.out.println("\n=== 记录考勤 ===");
        System.out.print("员工ID: ");
        String employeeId = scanner.nextLine();

        if (!employees.containsKey(employeeId)) {
            System.out.println("员工ID不存在");
            return;
        }

        System.out.print("日期 (yyyy-MM-dd): ");
        String dateStr = scanner.nextLine();
        LocalDate date;
        try {
            date = LocalDate.parse(dateStr);
        } catch (DateTimeParseException e) {
            System.out.println("日期格式错误，使用当前日期");
            date = LocalDate.now();
        }

        System.out.print("工作小时: ");
        double workHours = 8; // 默认8小时
        try {
            workHours = Double.parseDouble(scanner.nextLine());
        } catch (NumberFormatException e) {
            System.out.println("无效的数值，使用默认值8小时");
        }

        System.out.print("加班小时: ");
        double overtimeHours = 0;
        try {
            overtimeHours = Double.parseDouble(scanner.nextLine());
        } catch (NumberFormatException e) {
            System.out.println("无效的数值，使用默认值0小时");
        }

        System.out.print("状态 (正常/迟到/早退/缺勤): ");
        String status = scanner.nextLine();
        if (status.isEmpty()) status = "正常";

        System.out.print("备注: ");
        String notes = scanner.nextLine();

        String attId = "ATT" + System.currentTimeMillis();
        Attendance attendance = new Attendance(attId, employeeId, date,
                workHours, overtimeHours, status, notes);
        attendanceRecords.add(attendance);
        System.out.println("考勤记录添加成功");
    }

    // 计算工资
    public void calculateSalary() {
        if (currentUser == null || !"admin".equals(currentUser.getRole())) {
            System.out.println("权限不足，需要管理员权限");
            return;
        }

        System.out.println("\n=== 计算工资 ===");
        System.out.print("员工ID: ");
        String employeeId = scanner.nextLine();

        if (!employees.containsKey(employeeId)) {
            System.out.println("员工ID不存在");
            return;
        }

        System.out.print("月份 (yyyy-MM): ");
        String month = scanner.nextLine();

        Employee employee = employees.get(employeeId);
        double baseSalary = employee.getBaseSalary();

        // 计算该月加班费
        double overtimePay = 0;
        for (Attendance att : attendanceRecords) {
            if (att.getEmployeeId().equals(employeeId) &&
                    att.getDate().toString().startsWith(month)) {
                // 加班费 = 加班小时 * 时薪 * 1.5
                double hourlyRate = baseSalary / 22 / 8; // 假设每月22个工作日
                overtimePay += att.getOvertimeHours() * hourlyRate * 1.5;
            }
        }

        String salId = "SAL" + System.currentTimeMillis();
        Salary salary = new Salary(salId, employeeId, month, baseSalary, overtimePay);
        salaryRecords.add(salary);

        System.out.println("工资计算完成:");
        System.out.println("员工: " + employee.getName());
        System.out.println("月份: " + month);
        System.out.println("基本工资: " + baseSalary);
        System.out.println("加班费: " + overtimePay);
        System.out.println("实发工资: " + salary.getTotalSalary());
    }

    // 查看员工信息
    public void viewEmployees() {
        if (currentUser == null) {
            System.out.println("请先登录");
            return;
        }

        System.out.println("\n=== 员工列表 ===");
        if (employees.isEmpty()) {
            System.out.println("没有员工记录");
            return;
        }

        if ("admin".equals(currentUser.getRole())) {
            // 管理员可以查看所有员工
            for (Employee emp : employees.values()) {
                System.out.println(emp);
            }
        } else {
            // 普通员工只能查看自己的信息
            System.out.println(employees.get(currentUser.getId()));
        }
    }

    // 查看工资信息
    public void viewSalaries() {
        if (currentUser == null) {
            System.out.println("请先登录");
            return;
        }

        System.out.println("\n=== 工资记录 ===");
        if (salaryRecords.isEmpty()) {
            System.out.println("没有工资记录");
            return;
        }

        if ("admin".equals(currentUser.getRole())) {
            // 管理员可以查看所有工资记录
            for (Salary salary : salaryRecords) {
                System.out.println(salary);
            }
        } else {
            // 普通员工只能查看自己的工资
            boolean found = false;
            for (Salary salary : salaryRecords) {
                if (salary.getEmployeeId().equals(currentUser.getId())) {
                    System.out.println(salary);
                    found = true;
                }
            }
            if (!found) {
                System.out.println("没有找到您的工资记录");
            }
        }
    }

    // 显示主菜单
    public void showMenu() {
        System.out.println("\n=== 职工工资管理系统 ===");
        if (currentUser != null) {
            System.out.println("当前用户: " + currentUser.getName() +
                    " (" + currentUser.getRole() + ")");
        }

        System.out.println("1. 登录");
        if (currentUser != null) {
            if ("admin".equals(currentUser.getRole())) {
                System.out.println("2. 添加员工");
                System.out.println("3. 记录考勤");
                System.out.println("4. 计算工资");
            }
            System.out.println("5. 查看员工信息");
            System.out.println("6. 查看工资记录");
            System.out.println("7. 注销");
        }
        System.out.println("0. 退出系统");
        System.out.print("请选择操作: ");
    }

    // 运行系统
    public void run() {
        initializeAdmin();
        boolean running = true;

        while (running) {
            showMenu();
            String choice = scanner.nextLine();

            switch (choice) {
                case "1":
                    login();
                    break;
                case "2":
                    if (currentUser != null && "admin".equals(currentUser.getRole())) {
                        addEmployee();
                    } else {
                        System.out.println("无效选择");
                    }
                    break;
                case "3":
                    if (currentUser != null && "admin".equals(currentUser.getRole())) {
                        recordAttendance();
                    } else {
                        System.out.println("无效选择");
                    }
                    break;
                case "4":
                    if (currentUser != null && "admin".equals(currentUser.getRole())) {
                        calculateSalary();
                    } else {
                        System.out.println("无效选择");
                    }
                    break;
                case "5":
                    viewEmployees();
                    break;
                case "6":
                    viewSalaries();
                    break;
                case "7":
                    logout();
                    break;
                case "0":
                    running = false;
                    System.out.println("感谢使用职工工资管理系统，再见！");
                    break;
                default:
                    System.out.println("无效选择，请重新输入");
            }
        }
    }

    public static void main(String[] args) {
        InteractiveSalarySystem system = new InteractiveSalarySystem();
        system.run();
    }
}