案例—扑克牌（Python）

模拟一个斗地主发牌程序，使用Python实现对三个玩家进行手牌的派发。

import random


# 定义扑克牌类
class PokerCard:
    def __init__(self, rank, suit):
        self.rank = rank  # 点数
        self.suit = suit  # 花色

    # 返回牌的显示名称
    def __str__(self):
        return f"{self.suit}{self.rank}"

    # 定义牌的排序规则
    def __lt__(self, other):
        rank_order = '345678910JQKA2'  # 定义点数大小
        suit_order = {'♠': 4, '♥': 3, '♦': 2, '♣': 1}  # 定义花色大小
        # 处理大小王的比较
        if self.rank in ['小王', '大王'] or other.rank in ['小王', '大王']:
            if self.rank == '大王':
                return False  # 大王最大
            elif other.rank == '大王':
                return True
            elif self.rank == '小王':
                return False  # 小王次大
            elif other.rank == '小王':
                return True

        if self.rank == other.rank:
            return suit_order[self.suit] > suit_order[other.suit]
        return rank_order.index(self.rank) < rank_order.index(other.rank)


# 定义发牌类
class DouDiZhu:
    def __init__(self):
        self.suits = ['♠', '♥', '♦', '♣']  # 花色
        self.ranks = ['3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A', '2']  # 点数
        self.deck = self.create_deck()  # 生成一副牌
        self.landlord_cards = []  # 地主牌
        self.players = {'A': [], 'B': [], 'C': []}  # 玩家手牌

    # 生成扑克牌
    def create_deck(self):
        deck = [PokerCard(rank, suit) for suit in self.suits for rank in self.ranks]
        deck += [PokerCard('小王', ''), PokerCard('大王', '')]  # 添加大小王
        return deck

    # 洗牌
    def shuffle(self):
        random.shuffle(self.deck)

    # 发牌
    def deal(self):
        self.players['A'] = sorted(self.deck[:17])
        self.players['B'] = sorted(self.deck[17:34])
        self.players['C'] = sorted(self.deck[34:51])
        self.landlord_cards = sorted(self.deck[51:])

    # 打印玩家手牌
    def show_hands(self, player_name=None):
        if player_name:
            print(f"{player_name}：{' '.join(map(str, self.players[player_name]))}")
        else:
            for player in self.players:
                print(f"{player}：{' '.join(map(str, self.players[player]))}")

    # 打印地主牌
    def show_landlord_cards(self):
        print(f"地主牌：{' '.join(map(str, self.landlord_cards))}")


# 主函数
def main():
    print("********** 欢迎进入 XX 斗地主 **********")
    player_a = input("请输入玩家姓名：")
    player_b = input("请输入玩家姓名：")
    player_c = input("请输入玩家姓名：")

    game = DouDiZhu()

    print("洗牌中...")
    game.shuffle()
    print("洗牌完成!")

    print("发牌中...")
    game.deal()
    print("发牌完成！")

    print(f"{player_a}：{' '.join(map(str, game.players['A']))}")
    print(f"{player_b}：{' '.join(map(str, game.players['B']))}")
    print(f"{player_c}：{' '.join(map(str, game.players['C']))}")

    landlord = input("谁叫地主？ ")

    game.show_landlord_cards()

    if landlord == player_a:
        game.players['A'] += game.landlord_cards
        game.players['A'].sort()
    elif landlord == player_b:
        game.players['B'] += game.landlord_cards
        game.players['B'].sort()
    elif landlord == player_c:
        game.players['C'] += game.landlord_cards
        game.players['C'].sort()

    print(f"{player_a}：{' '.join(map(str, game.players['A']))}")
    print(f"{player_b}：{' '.join(map(str, game.players['B']))}")
    print(f"{player_c}：{' '.join(map(str, game.players['C']))}")


if __name__ == "__main__":
    main()