python实现简单井字棋游戏

井字棋，英文名叫Tic-Tac-Toe，是一种在3*3格子上进行的连珠游戏，和五子棋类似，由于棋盘一般不画边框，格线排成井字故得名。游戏需要的工具仅为纸和笔，然后由分别代表O和X的两个游戏者轮流在格子里留下标记（一般来说先手者为X），任意三个标记形成一条直线，则为获胜。

游戏的难点在于，如何判断连接成了一条线；横、竖、斜三个方向；

游戏的代码：

#!/usr/bin/env python3
# -*- coding:utf-8 -*-
u'''
Created on 2019年4月13日

@author: wuluo
'''
__author__ = 'wuluo'
__version__ = '1.0.0'
__company__ = u'重庆交大'
__updated__ = '2019-04-13'

# 创建井字棋的程序
def initBoard():
global board # 调用全局的board
board = [None] * 3
print("井字棋：")
for i in range(len(board)):
 board[i] = ["+ "] * 3

# 打印井字棋的程序
def printBoard():
global board
for i in range(len(board)):
 for j in range(len(board[i])):
  print(board[i][j], end=" ")
 print("")

# 开始下棋的程序
def startGame():
global board
player = 0
while isGameContinue():
 if player <= 8:
  if player ％ 2 == 0:
  # 甲方下棋
  print("==>黑方下棋")
  if not playChess("x"):
   continue
  else:
  # 乙方下棋
  print("==>白方下棋")
  if not playChess("○"):
   continue
  player += 1
 else:
  print("平局")
  break

def playChess(chess):
# 获取位置
x = int(input("==> X=")) - 1
y = int(input("==> Y=")) - 1
if board[x][y] == "+ ":
 board[x][y] = chess
 printBoard()
 return True # 落子成功
else:
 print("==> 已有棋子 请重新落子\a")
 printBoard()
 return False # 落子失败

def isGameContinue():
for i in range(len(board)):
 for j in range(len(board[i])):
  if board[i][j] != "+ ":
  # 横向
  if j == 0:
   if board[i][j] == board[i][j + 1] == board[i][j + 2]:
    whoWin(i, j)
    return False
  # 竖向
  if i == 0:
   if board[i][j] == board[i + 1][j] == board[i + 2][j]:
    whoWin(i, j)
    return False
  # 正斜
  if i == 0 and j == 0:
   if board[i][j] == board[i + 1][j + 1] == board[i + 2][j + 2]:
    whoWin(i, j)
    return False
  # 反斜
  if i == 2 and j == 0:
   if board[i][j] == board[i - 1][j + 1] == board[i - 2][j + 2]:
    whoWin(i, j)
    return False
return True

def whoWin(i, j):
if board[i][j] == "x":
 print("黑方胜！")
else:
 print("白方胜！")
for i in range(3):
 print("win")

class main():
board = []
initBoard()
printBoard()
startGame()

if __name__ == "__main__":
main()

游戏结果：

还有一种结果是平局：

来源：https://blog.csdn.net/qq_43433255/article/details/89298354