用代码解析Python如何用类实现扑克牌发牌功能

# Card类：一张牌
class Card:
  """A playing card.card"""
  RANKS = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K']
  SUITS = ['梅花', '方片', '红桃', '黑桃']

  def __init__(self, rank, suit, face_up=True):
    self.rank = rank        # 牌面数字1~13
    self.suit = suit        # 花色
    self.is_face_up = face_up    # 是否显示牌的正面，True为正面，False为反面

  def __str__(self):         # 重写print()方法，打印一张牌的信息
    if self.is_face_up:
      rep = self.suit + self.rank
    else:
      rep = 'XX'
    return rep

  def pic_order(self):       # 牌的顺序号
    if self.rank == 'A':
      FaceNum = 1
    elif self.rank == 'J':
      FaceNum = 11
    elif self.rank == 'Q':
      FaceNum = 12
    elif self.rank == 'K':
      FaceNum = 13
    else:
      FaceNum = int(self.rank)
    if self.suit == '梅花':
      Suit = 1
    elif self.suit == '方片':
      Suit = 2
    elif self.suit == '红桃':
      Suit = 3
    else:
      Suit = 4
    return (Suit - 1) * 13 + FaceNum

  def flip(self):         # 翻牌方法
    self.is_face_up = not self.is_face_up


# Hand类：一手牌
class Hand:
  """A hand of playing cards Hand"""

  def __init__(self):
    self.cards = []       # cards列表变量存储牌手手里的牌

  def __str__(self):        # 重写print()方法，打印出牌手的所有牌
    if self.cards:
      rep = ''
      for card in self.cards:
        rep += str(card) + '\t'
    else:
      rep = '无牌'
    return rep

  def clear(self):         # 清空手里的牌
    self.cards = []

  def add(self, card):       # 增加手里的牌
    self.cards.append(card)

  def give(self, card, other_hand):  # 把一张牌给其他选手
    self.cards.remove(card)
    other_hand.add(card)
    # other_hand.append(card)  # 上面两行可以用这一行代替


# Poke类：一副牌
# 继承Hand类
class Poke(Hand):
  """Poke类代表一副牌，可以看做是有52张牌的牌手，所以继承Hand类。由于其中cards列表变量要存储52张牌
  而且要发牌，洗牌，所以增加方法如下方法:"""

  def populate(self):         # 生成一副牌
    for suit in Card.SUITS:
      for rank in Card.RANKS:
        self.add(Card(rank, suit))

  def shuffle(self):         # 洗牌
    import random
    random.shuffle(self.cards)   # 打乱牌的顺序

  def deal(self, hands, per_hand=13): # 将牌发给玩家，每人默认13张牌
    for rounds in range(per_hand):
      for hand in hands:
        if self.cards:
          top_card = self.cards[0]
          self.cards.remove(top_card)
          hand.add(top_card)
          # self.give(top_card,hand) #上两句可以用此句替换
        else:
          print('不能继续发牌了，牌已经发完了!')


if __name__ == "__main__":
  print('This is a module with classes for playing cards.')
  players = [Hand(), Hand(), Hand(), Hand()]
  poke1 = Poke()
  poke1.populate()       # 生成一副牌
  poke1.shuffle()        # 洗牌
  poke1.deal(players, 13)    # 发给每人13张牌
  n = 1
  for hand in players:
    print('牌手', n, end=':')
    print(hand)
    n = n + 1