导语
昨天不是周天嘛？
你们在家放松一般都会做什么呢？
周末逛逛街，出去走走看电影......这是你们的周末。
程序员的周末就是在家躺尸唐诗躺尸，偶尔加班加班加班，或者跟着几个朋友在家消遣时间打打麻将，扑克牌玩一下！
尤其是放长假【ps:也没啥假，长假就是过年】在老家的时候，亲戚尤其多，七大姑八大姨的一年好不容易聚一次，打打麻将跟扑克这是常有的事儿，联络下感情这是最快的方式~
说起打扑克，我们经常就是玩儿的二百四、炸金花、三个打一个那就是叫啥名字来着，容我想想......
话说真词穷，我们那都是方言撒，我翻译不过来普通话是叫什么了，我估计240你们也没听懂是啥，23333~
今天的话小编是带大家做一款21点的扑克游戏！
有大佬可优化一下这个代码，做一个精致豪华的界面就好了~~
正文
游戏规则：21点又名黑杰克，该游戏由2到6个人玩，使用除大小王之外的52张牌，游戏者的目标是使手中的牌的点数之和不超过21点且尽量大。当使用1副牌时，以下每种牌各一张（没有大小王）：
（1）初始化玩家数：
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def iniGame():
global playerCount, cards
while(True):
try:
playerCount = int(input('输入玩家数：'))
except ValueError:
print('无效输入！')
continue
if playerCount < 2:
print('玩家必须大于1！')
continue
else:
break
try:
decks = int(input('输入牌副数：（默认等于玩家数）'))
except ValueError:
print('已使用默认值！')
decks = playerCount
print('玩家数：', playerCount, '，牌副数：', decks)
cards = getCards(decks) # 洗牌</span></span></span>（2）建立了玩家列表，电脑跟玩家对战。
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def createPlayerList():
global playerList
playerList = []
for i in range(playerCount):
playerList += [{'id': '', 'cards': [], 'score': 0}].copy()
playerList[i]['id'] = '电脑' + str(i+1)
playerList[playerCount-1]['id'] = '玩家'
random.shuffle(playerList) # 为各玩家随机排序</span></span></span>（3）开始会设置2张明牌玩法都可以看到点数。
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def gameStart():
print('为各玩家分2张明牌：')
for i in range(playerCount): # 为每个玩家分2张明牌
deal(playerList[i]['cards'], cards, 2)
playerList[i]['score'] = getScore(playerList[i]['cards']) # 计算初始得分
print(playerList[i]['id'], ' ', getCardName(playerList[i]['cards']),
' 得分 ', playerList[i]['score'])
time.sleep(1.5)</span></span></span>（4）游戏为电脑跟玩家依次分发第三张暗牌，这是别人看不到的。
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def gamePlay():
for i in range(playerCount):
print('当前', playerList[i]['id'])
if playerList[i]['id'] == '玩家': # 玩家
while(True):
print('当前手牌：', getCardName(playerList[i]['cards']))
_isDeal = input('是否要牌？（y/n）')
if _isDeal == 'y':
deal(playerList[i]['cards'], cards)
print('新牌：', getCardName(playerList[i]['cards'][-1]))
# 重新计算得分:
playerList[i]['score'] = getScore(playerList[i]['cards'])
elif _isDeal == 'n':
break
else:
print('请重新输入！')
else: # 电脑
while(True):
if isDeal(playerList[i]['score']) == 1: # 为电脑玩家判断是否要牌
deal(playerList[i]['cards'], cards)
print('要牌。')
# 重新计算得分:
playerList[i]['score'] = getScore(playerList[i]['cards'])
else:
print('不要了。')
break
time.sleep(1.5)</span></span></span>（5）随机洗牌：
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def getCards(decksNum):
cardsList = ['Aa', 'Ab', 'Ac', 'Ad',
'Ka', 'Kb', 'Kc', 'Kd',
'Qa', 'Qb', 'Qc', 'Qd',
'Ja', 'Jb', 'Jc', 'Jd',
'0a', '0b', '0c', '0d',
'9a', '9b', '9c', '9d',
'8a', '8b', '8c', '8d',
'7a', '7b', '7c', '7d',
'6a', '6b', '6c', '6d',
'5a', '5b', '5c', '5d',
'4a', '4b', '4c', '4d',
'3a', '3b', '3c', '3d',
'2a', '2b', '2c', '2d']
cardsList *= decksNum # 牌副数
random.shuffle(cardsList) # 随机洗牌
return cardsList</span></span></span>（6）设置牌名字典：
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">cardNameDict = {'Aa': '黑桃A', 'Ab': '红桃A', 'Ac': '梅花A', 'Ad': '方片A',
'Ka': '黑桃K', 'Kb': '红桃K', 'Kc': '梅花K', 'Kd': '方片K',
'Qa': '黑桃Q', 'Qb': '红桃Q', 'Qc': '梅花Q', 'Qd': '方片Q',
'Ja': '黑桃J', 'Jb': '红桃J', 'Jc': '梅花J', 'Jd': '方片J',
'0a': '黑桃10', '0b': '红桃10', '0c': '梅花10', '0d': '方片10',
'9a': '黑桃9', '9b': '红桃9', '9c': '梅花9', '9d': '方片9',
'8a': '黑桃8', '8b': '红桃8', '8c': '梅花8', '8d': '方片8',
'7a': '黑桃7', '7b': '红桃7', '7c': '梅花7', '7d': '方片7',
'6a': '黑桃6', '6b': '红桃6', '6c': '梅花6', '6d': '方片6',
'5a': '黑桃5', '5b': '红桃5', '5c': '梅花5', '5d': '方片5',
'4a': '黑桃4', '4b': '红桃4', '4c': '梅花4', '4d': '方片4',
'3a': '黑桃3', '3b': '红桃3', '3c': '梅花3', '3d': '方片3',
'2a': '黑桃2', '2b': '红桃2', '2c': '梅花2', '2d': '方片2'}</span></span></span>（7）判断胜负：
<span style="color:#333333"><span style="background-color:#ffffff"><span style="background-color:#f8f8f8">def showWinAndLose():
loserList = [] # [['id', score], ['id', score], ...]
winnerList = [] # [['id', score], ['id', score], ...]
winnerCount = 0
loserCount = 0
for i in range(playerCount):
if playerList[i]['score'] > 21: # 爆牌直接进入败者列表
loserList.append([playerList[i]['id'], playerList[i]['score']])
else: # 临时胜者列表
winnerList.append([playerList[i]['id'], playerList[i]['score']])
if len(winnerList) == 0: # 极端情况：全部爆牌
print('全部玩家爆牌：')
for i in range(len(loserList)):
print(loserList[i][0], loserList[i][1])
elif len(loserList) == 0: # 特殊情况：无人爆牌
winnerList.sort(key=lambda x: x[1], reverse=True) # 根据分数值排序胜者列表
for i in range(len(winnerList)): # 计算最低分玩家数量
if i != len(winnerList)-1:
if winnerList[-i-1][1] == winnerList[-i-2][1]:
loserCount = (i+2)
else:
if loserCount == 0:
loserCount = 1
break
else:
loserCount = len(loserList)
if loserCount == 1:
loserList.append(winnerList.pop())
else:
while(len(loserList) != loserCount):
loserList.append(winnerList.pop())
for i in range(len(winnerList)): # 计算最高分玩家数量
if i != len(winnerList)-1:
if winnerList[i][1] == winnerList[i+1][1]:
winnerCount = (i+2)
else:
if winnerCount == 0:
winnerCount = 1
break
else:
winnerCount = len(winnerList)
while(len(winnerList) != winnerCount):
winnerList.pop()
print('获胜：')
for i in range(len(winnerList)):
print(winnerList[i][0], winnerList[i][1])
print('失败：')
for i in range(len(loserList)):
print(loserList[i][0], loserList[i][1])
else: # 一般情况：有人爆牌
winnerList.sort(key=lambda x: x[1], reverse=True) # 根据分数值排序胜者列表
for i in range(len(winnerList)): # 计算最高分玩家数量
if i != len(winnerList)-1:
if winnerList[i][1] == winnerList[i+1][1]:
winnerCount = (i+2)
else:
if winnerCount == 0:
winnerCount = 1
break
else:
winnerCount = len(winnerList)
while(len(winnerList) != winnerCount):
winnerList.pop()
print('获胜：')
for i in range(len(winnerList)):
print(winnerList[i][0], winnerList[i][1])
print('失败：')
for i in range(len(loserList)):
print(loserList[i][0], loserList[i][1])</span></span></span>游戏效果：咳咳咳.......感觉这游戏看运气也看胆量！！
总结
哈哈哈！小编玩游戏比较废，你们要来试试嘛？无聊的时候可以摸摸鱼，打打酱油~
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