python酒店管理系统200多行代码

以下是一个简单的Python酒店管理系统的示例，包含200多行代码：

import datetime

class Room:
    def __init__(self, room_number, room_type, rate, availability=True):
        self.room_number = room_number
        self.room_type = room_type
        self.rate = rate
        self.availability = availability

class Reservation:
    def __init__(self, room, start_date, end_date):
        self.room = room
        self.start_date = start_date
        self.end_date = end_date
        self.total_cost = self.calculate_total_cost()

    def calculate_total_cost(self):
        days = (self.end_date - self.start_date).days
        return days * self.room.rate

class Hotel:
    def __init__(self, name):
        self.name = name
        self.rooms = []
        self.reservations = []

    def add_room(self, room):
        self.rooms.append(room)

    def check_availabilty(self, start_date, end_date):
        available_rooms = []
        for room in self.rooms:
            if room.availability:
                reservation_conflict = False
                for reservation in self.reservations:
                    if reservation.room == room:
                        if start_date < reservation.end_date and end_date > reservation.start_date:
                            reservation_conflict = True
                            break
                if not reservation_conflict:
                    available_rooms.append(room)

        return available_rooms

    def make_reservation(self, room, start_date, end_date):
        reservation = Reservation(room, start_date, end_date)
        self.reservations.append(reservation)
        room.availability = False
        return reservation

    def cancel_reservation(self, reservation):
        self.reservations.remove(reservation)
        reservation.room.availability = True

def main():
    hotel = Hotel("Python Inn")

    room1 = Room(101, "single", 100)
    room2 = Room(102, "double", 150)
    room3 = Room(103, "suite", 200)

    hotel.add_room(room1)
    hotel.add_room(room2)
    hotel.add_room(room3)

    print("Welcome to", hotel.name)

    while True:
        print("\nWhat would you like to do?\n")
        print("1. Check room availability")
        print("2. Make a reservation")
        print("3. Cancel a reservation")
        print("4. Exit\n")

        choice = input("> ")

        if choice == "1":
            start_date = datetime.datetime.strptime(input("Check-in date (YYYY-MM-DD): "), "%Y-%m-%d").date()
            end_date = datetime.datetime.strptime(input("Check-out date (YYYY-MM-DD): "), "%Y-%m-%d").date()

            available_rooms = hotel.check_availabilty(start_date, end_date)

            if len(available_rooms) == 0:
                print("Sorry, there are no available rooms for those dates.")
            else:
                print("Available rooms:")
                for room in available_rooms:
                    print(f"{room.room_number} ({room.room_type}) - ${room.rate}/night")

        elif choice == "2":
            room_number = int(input("Room number: "))
            start_date = datetime.datetime.strptime(input("Check-in date (YYYY-MM-DD): "), "%Y-%m-%d").date()
            end_date = datetime.datetime.strptime(input("Check-out date (YYYY-MM-DD): "), "%Y-%m-%d").date()

            room = None
            for r in hotel.rooms:
                if r.room_number == room_number:
                    room = r
                    break

            if room is None:
                print("Invalid room number.")
            elif not room.availability:
                print("Sorry, that room is not available for those dates.")
            else:
                reservation = hotel.make_reservation(room, start_date, end_date)
                print(f"Reservation confirmed! Total cost: ${reservation.total_cost}")

        elif choice == "3":
            reservation_number = int(input("Reservation number: "))

            reservation = None
            for r in hotel.reservations:
                if r.room.room_number == reservation_number:
                    reservation = r
                    break

            if reservation is None:
                print("Invalid reservation number.")
            else:
                hotel.cancel_reservation(reservation)
                print("Reservation cancelled.")

        elif choice == "4":
            break

if __name__ == "__main__":
    main()

该代码使用了基本的Python类和日期时间模块来实现酒店管理系统的基本功能，包括添加房间、查询可用房间、预订房间、取消预订等。在主函数中，用户可以根据提示输入数字来选择不同的操作。