假设你是一个程序设计师，请用c++写一段宾馆客房管理系统的代码，要求包含以下功能：客房管理：包括客房信息维护、客房状态管理、客房预订、入住和退房管理等。 顾客管理：包括顾客信息维护、订单管理、结算管理等。 员工管理：包括员工信息维护、权限管理、工资管理等。

好的，以下是一份简单的宾馆客房管理系统的 C++ 代码，包含了客房、顾客和员工的基本信息和操作：

#include <iostream>
#include <string>
#include <vector>
using namespace std;

// 客房类
class Room {
public:
    Room(int id, string type, float price) {
        this->id = id;
        this->type = type;
        this->price = price;
        this->status = "available";
    }

    int getId() const {
        return id;
    }

    string getType() const {
        return type;
    }

    float getPrice() const {
        return price;
    }

    string getStatus() const {
        return status;
    }

    void setStatus(string status) {
        this->status = status;
    }

private:
    int id;         // 客房编号
    string type;    // 客房类型
    float price;    // 客房价格
    string status;  // 客房状态（available, booked, checked_in, checked_out）
};

// 顾客类
class Customer {
public:
    Customer(int id, string name, string phone) {
        this->id = id;
        this->name = name;
        this->phone = phone;
    }

    int getId() const {
        return id;
    }

    string getName() const {
        return name;
    }

    string getPhone() const {
        return phone;
    }

private:
    int id;         // 顾客编号
    string name;    // 顾客姓名
    string phone;   // 顾客电话
};

// 员工类
class Employee {
public:
    Employee(int id, string name, string position, float salary) {
        this->id = id;
        this->name = name;
        this->position = position;
        this->salary = salary;
    }

    int getId() const {
        return id;
    }

    string getName() const {
        return name;
    }

    string getPosition() const {
        return position;
    }

    float getSalary() const {
        return salary;
    }

private:
    int id;             // 员工编号
    string name;        // 员工姓名
    string position;    // 员工职位
    float salary;       // 员工工资
};

// 宾馆类
class Hotel {
public:
    // 初始化宾馆
    Hotel() {
        // 添加客房
        rooms.push_back(Room(101, "single", 500));
        rooms.push_back(Room(102, "single", 500));
        rooms.push_back(Room(201, "double", 800));
        rooms.push_back(Room(202, "double", 800));
        rooms.push_back(Room(301, "suite", 1200));
        rooms.push_back(Room(302, "suite", 1200));

        // 添加员工
        employees.push_back(Employee(1, "Tom", "manager", 10000));
        employees.push_back(Employee(2, "Jerry", "receptionist", 5000));
        employees.push_back(Employee(3, "Kate", "cleaner", 3000));
    }

    // 客房管理
    void roomManagement() {
        int choice;
        do {
            cout << "1. 查询客房信息" << endl;
            cout << "2. 预订客房" << endl;
            cout << "3. 入住客房" << endl;
            cout << "4. 退房结算" << endl;
            cout << "0. 返回上级菜单" << endl;
            cout << "请选择操作：";
            cin >> choice;
            switch (choice) {
                case 1:
                    displayRooms();
                    break;
                case 2:
                    bookRoom();
                    break;
                case 3:
                    checkInRoom();
                    break;
                case 4:
                    checkOutRoom();
                    break;
                case 0:
                    break;
                default:
                    cout << "无效的操作，请重新选择！" << endl;
                    break;
            }
        } while (choice != 0);
    }

    // 顾客管理
    void customerManagement() {
        int choice;
        do {
            cout << "1. 查询顾客信息" << endl;
            cout << "2. 下订单" << endl;
            cout << "3. 结算订单" << endl;
            cout << "0. 返回上级菜单" << endl;
            cout << "请选择操作：";
            cin >> choice;
            switch (choice) {
                case 1:
                    displayCustomers();
                    break;
                case 2:
                    placeOrder();
                    break;
                case 3:
                    settleOrder();
                    break;
                case 0:
                    break;
                default:
                    cout << "无效的操作，请重新选择！" << endl;
                    break;
            }
        } while (choice != 0);
    }

    // 员工管理
    void employeeManagement() {
        int choice;
        do {
            cout << "1. 查询员工信息" << endl;
            cout << "2. 设置员工权限" << endl;
            cout << "3. 修改员工工资" << endl;
            cout << "0. 返回上级菜单" << endl;
            cout << "请选择操作：";
            cin >> choice;
            switch (choice) {
                case 1:
                    displayEmployees();
                    break;
                case 2:
                    setEmployeePermission();
                    break;
                case 3:
                    modifyEmployeeSalary();
                    break;
                case 0:
                    break;
                default:
                    cout << "无效的操作，请重新选择！" << endl;
                    break;
            }
        } while (choice != 0);
    }

private:
    vector<Room> rooms;             // 客房列表
    vector<Customer> customers;     // 顾客列表
    vector<Employee> employees;     // 员工列表

    // 查询客房信息
    void displayRooms() {
        cout << "客房编号\t客房类型\t客房价格\t客房状态" << endl;
        for (const auto& room : rooms) {
            cout << room.getId() << "\t\t" << room.getType() << "\t\t" << room.getPrice() << "\t\t" << room.getStatus() << endl;
        }
    }

    // 预订客房
    void bookRoom() {
        int room_id;
        cout << "请输入要预订的客房编号：";
        cin >> room_id;
        for (auto& room : rooms) {
            if (room.getId() == room_id) {
                if (room.getStatus() == "available") {
                    room.setStatus("booked");
                    cout << "客房 " << room_id << " 预订成功！" << endl;
                } else {
                    cout << "客房 " << room_id << " 不可预订！" << endl;
                }
                return;
            }
        }
        cout << "客房 " << room_id << " 不存在！" << endl;
    }

    // 入住客房
    void checkInRoom() {
        int room_id;
        cout << "请输入要入住的客房编号：";
        cin >> room_id;
        for (auto& room : rooms) {
            if (room.getId() == room_id) {
                if (room.getStatus() == "booked") {
                    room.setStatus("checked_in");
                    cout << "客房 " << room_id << " 入住成功！" << endl;
                } else {
                    cout << "客房 " << room_id << " 不可入住！" << endl;
                }
                return;
            }
        }
        cout << "客房 " << room_id << " 不存在！" << endl;
    }

    // 退房结算
    void checkOutRoom() {
        int room_id;
        cout << "请输入要退房的客房编号：";
        cin >> room_id;
        for (auto& room : rooms) {
            if (room.getId() == room_id) {
                if (room.getStatus() == "checked_in") {
                    room.setStatus("checked_out");
                    cout << "客房 " << room_id << " 退房成功！" << endl;
                    cout << "应付金额为：" << room.getPrice() << endl;
                } else {
                    cout << "客房 " << room_id << " 不可退房！" << endl;
                }
                return;
            }
        }
        cout << "客房 " << room_id << " 不存在！" << endl;
    }

    // 查询顾客信息
    void displayCustomers() {
        cout << "顾客编号\t顾客姓名\t顾客电话" << endl;
        for (const auto& customer : customers) {
            cout << customer.getId() << "\t\t" << customer.getName() << "\t\t" << customer.getPhone() << endl;
        }
    }

    // 下订单
    void placeOrder() {
        int customer_id, room_id;
        cout << "请输入顾客编号：";
        cin >> customer_id;
        cout << "请输入要预订的客房编号：";
        cin >> room_id;
        for (const auto& room : rooms) {
            if (room.getId() == room_id && room.getStatus() == "available") {
                customers.push_back(Customer(customer_id, "", ""));
                room.setStatus("booked");
                cout << "订单成功，客房 " << room_id << " 已被预订！" << endl;
                return;
            }
        }
        cout << "客房 " << room_id << " 不可预订！" << endl;
    }

    // 结算订单
    void settleOrder() {
        int room_id;
        cout << "请输入要结算的客房编号：";
        cin >> room_id;
        for (auto& room : rooms) {
            if (room.getId() == room_id && room.getStatus() == "booked") {
                room.setStatus("checked_out");
                cout << "订单结算成功！" << endl;
                return;
            }
        }
        cout << "客房 " << room_id << " 不可结算！" << endl;
    }

    // 查询员工信息
    void displayEmployees() {
        cout << "员工编号\t员工姓名\t员工职位\t员工工资" << endl;
        for (const auto& employee : employees) {
            cout << employee.getId() << "\t\t" << employee.getName() << "\t\t" << employee.getPosition() << "\t\t" << employee.getSalary() << endl;
        }
    }

    // 设置员工权限
    void setEmployeePermission() {
        int employee_id;
        string permission;
        cout << "请输入要设置权限的员工编号：";
        cin >> employee_id;
        cout << "请输入要设置的权限（例如：admin, receptionist, cleaner）：";
        cin >> permission;
        for (auto& employee : employees) {
            if (employee.getId() == employee_id) {
                employee.setPosition(permission);
                cout << "员工权限设置成功！" << endl;
                return;
            }
        }
        cout << "员工 " << employee_id << " 不存在！" << endl;
    }

    // 修改员工工资
    void modifyEmployeeSalary() {
        int employee_id;
        float salary;
        cout << "请输入要修改工资的员工编号：";
        cin >> employee_id;
        cout << "请输入员工新的工资：";
        cin >> salary;
        for (auto& employee : employees) {
            if (employee.getId() == employee_id) {
                employee.setSalary(salary);
                cout << "员工工资修改成功！" << endl;
                return;
            }
        }
        cout << "员工 " << employee_id << " 不存在！" << endl;
    }
};

int main() {
    Hotel hotel;
    int choice;
    do {
        cout << "1. 客房管理" << endl;
        cout << "2. 顾客管理" << endl;
        cout << "3. 员工管理" << endl;
        cout << "0. 退出系统" << endl;
        cout << "请选择操作：";
        cin >> choice;
        switch (choice) {
            case 1:
                hotel.roomManagement();
                break;
            case 2:
                hotel.customerManagement();
                break;
            case 3:
                hotel.employeeManagement();
                break;
            case 0:
                break;
            default:
                cout << "无效的操作，请重新选择！" << endl;
                break;
        }
    } while (choice != 0);

    return 0;
}

这段代码包含了宾馆客房管理系统的基本功能，包括客房管理、顾客管理和员工管理等。在宾馆类中，我们定义了客房、顾客和员工的基本信息，以及对应的操作函数。在主函数中，我们可以通过选择不同的操作进入不同的管理菜单。