根据之前的博文，我把给同学做的三子棋小游戏的代码发出来，只是界面很丑很丑，AI算法很笨很笨，过几天我传到网盘上，提供大家下载娱乐

 background_image_filename = 'blackground.png'
 black_mouse_image_filename = 'black.png'
 white_mouse_image_filename = 'white.png'
 restart_icon_filename='restart.png'
 pingju_icon_filename='pingju.jpg'
 win_icon_filename='win.jpg'
 lose_icon_filename='lose.jpg'

 import pygame
 import time
 import sys

 from pygame.locals import *
 from sys import exit

 HIGHLIGHTCOLOR = (255,255,255)

 def AI(pp):
     #status is now white and black key in the board
     #taozi = white
     #computer = black

     num = 0
     x = 0
     y = 0

     if pp[1][1]=='none':
         return 4

     for i in range(0,3):
         for j in range(0,3):
             if pp[i][j]=='none':
                 pp[i][j]='white'
                 cnt=0

                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx+1
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx-1

                 if cnt > num:
                     num = cnt
                     x=i
                     y=j

                 cnt=0
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     ty=ty+1
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     ty=ty-1

                 if cnt > num:
                     num = cnt
                     x=i
                     y=j

                 cnt=0
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx+1
                     ty=ty+1
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx-1
                     ty=ty-1

                 if cnt > num:
                     num = cnt
                     x=i
                     y=j

                 cnt=0
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx+1
                     ty=ty-1
                 tx=i
                 ty=j
                 while tx>=0 and tx<3 and ty>=0 and ty<3 and pp[tx][ty]=='white':
                     cnt=cnt+1
                     tx=tx-1
                     ty=ty+1

                 if cnt > num:
                     num = cnt
                     x=i
                     y=j

                 pp[i][j]='none'

     return x*3+y

 def main():

     pygame.init()
     screen = pygame.display.set_mode((800,500),0,32)
     pygame.display.set_caption("you can never win!")
     background = pygame.image.load(background_image_filename).convert()
     mouse_cursor = pygame.image.load(white_mouse_image_filename).convert_alpha()

     white_sign = pygame.image.load(white_mouse_image_filename).convert_alpha()
     restart    = pygame.image.load(restart_icon_filename).convert_alpha()
     pingju     = pygame.image.load(pingju_icon_filename).convert_alpha()
     winicon    = pygame.image.load(win_icon_filename).convert_alpha()
     lose       = pygame.image.load(lose_icon_filename).convert_alpha()

     black_sign = pygame.image.load(black_mouse_image_filename).convert_alpha()
     position=[ [27,11,93,68,0],[240,6,304,60,1],[476,4,525,42,2],[24,206,80,265,3],[246,212,292,257,4],[477,212,528,258,5],[26,440,73,479,6],[244,435,292,478,7],[475,435,527,480,8] ]
     positionMid=[ [48-26,24-24],[269-26,24-24],[500-26,24-24],[48-26,233-24],[269-26,234-24],[500-26,234-24],[48-26,459-24],[269-26,460-24],[500-26,460-24] ]
     positionColor=[ 'none','none','none','none','none','none','none','none','none']

     whoIsTurn = ['computer','taozi']
     turnKey   = 1   # 1 means taozi
                     # 0 means computer
     cnt = 0
     pp=[ ['none','none','none'],
          ['none','none','none'],['none','none','none']]
     #pp = [ [
     win=0
     while 1:
         newx =0
         newy =0

         color = 'white'
         color1 = 'black'
         color2 = 'none'
         for event in pygame.event.get():
             if event.type == QUIT:
                 pygame.quit()
                 sys.exit()
             elif event.type == MOUSEBUTTONDOWN :
                 newx,newy = pygame.mouse.get_pos()
                 for i in position:
                     if (newx>=i[0] and newx <= i[2]) and (newy >= i[1] and newy <= i[3]):
                         j = i[4]
                         if positionColor[j]!='none':
                             continue
                         positionColor[j]= color
                         #positionColor[j+1]= color
                         for ii in range(0,3):
                             for jj in range(0,3):
                                 pp[ii][jj]=positionColor[ii*3+jj]

                         # AI begin

                         res = AI( pp )
                         positionColor[res]=color1

                         # AI finished

                         cnt=cnt+1
                 if newx>=674 and newx<=774 and newy>=396 and newy<= 496:
                     for i in range(0,3):
                         for j in range(0,3):
                             positionColor[i*3+j]='none'
                             pp[i][j]='none'
                             win=0

         screen.blit(background,(0,0))
         screen.blit(restart,(674,396))
         #x,y = pygame.mouse.get_pos()
         #x -= mouse_cursor.get_width()/2
         #y -= mouse_cursor.get_height()/2
         #if win==0:
         #    screen.blit(mouse_cursor,(x,y))

         #x,y = pygame.mouse.get_pos()
         for i in position:
             x,y = pygame.mouse.get_pos()
             if (x>=i[0] and x <= i[2]) and (y >= i[1] and y <= i[3]):
                 x-=26
                 y-=26
                 if positionColor[ int(i[4]) ]=='none':
                 #pygame.draw.rect(screen,HIGHLIGHTCOLOR,(x,y,52,52),0)
                     screen.blit(mouse_cursor,(x,y))
                     print("done it")
                 else:
                     print("color= ",positionColor[i[4]])

         for ii in [0,1,2,3,4,5,6,7,8]:
             if positionColor[ii] != 'none':
                 if positionColor[ii] == 'white':
                     #print("write white_sign")
                     screen.blit(white_sign,positionMid[ii] )
                 else :
                     #print("write black_sign")
                     screen.blit(black_sign,positionMid[ii])

         for i in range(0,3):
             for j in range(0,3):
                 pp[i][j]=positionColor[i*3+j]

         for i in range(0,3):
             if pp[i][0]==pp[i][1] and pp[i][0]==pp[i][2] and pp[i][0]!='none':
                 win=1
                 winner=pp[i][0]
             if pp[0][i]==pp[1][i] and pp[0][i]==pp[2][i] and pp[0][i]!='none':
                 win=1
                 winner=pp[0][i]
         if pp[0][0]==pp[1][1] and pp[0][0]==pp[2][2] and pp[0][0]!='none':
             win=1
             winner=pp[0][0]
         if pp[2][0]==pp[1][1] and pp[1][1] == pp[0][2] and pp[1][1]!='none':
             win =1
             winner=pp[1][1]
         if win==0:
             cntcolor=0
             for i in range(0,3):
                 for j in range(0,3):
                     if pp[i][j]!='none':
                         cntcolor=cntcolor+1
             if cntcolor==9 :
                 win =1
                 winner='pingju'

         if win==1 :
             #print("someone win!")
             if winner=='white':
                 screen.blit(winicon,(50,20))
             elif winner=='pingju':
                 screen.blit(pingju,(100,100))
             else:
                 screen.blit(lose,(100,100))
             #print("winner = ",winner)
             #time.sleep(10000)

         pygame.display.update()

 if __name__ == '__main__':
     main()