python网络编程案例—五子棋游戏

一.本案例基于UDP的socket编程方法来制作五子棋程序，网络五子棋采用C/S架构，分为服务器端和客户端，游戏时服务端首先启动，当客户端启动连接后，服务器端可以走棋，轮到自己棋才可以在棋盘上落子，同时下方标签会显示对方走起信息，服务器端用户可以通过“退出游戏”按钮可以结束游戏；

1.数据通信协议

网络五子棋游戏设计的难点在于对方进行通信，这里使用面向非连接的Socket编程，Socket编程用于C/S开发，在这类应用中，客户端和服务器端通常需要先建立连接，然后发送和接收数据，交互完成后需要断开连接，本章采用基于UDP的Socket编程实现，这里虽然两台计算机不分主次，但涉及时候假设一台作为服务器端，等待其他方加入，其他想加入必须输入服务器端主机的IP；
下面展示一些 数据通信协议代码。

def receiveMessage():global swhile True:global addrdata,addr=s.recvfrom(1024)data=data.decode('utf-8')a=data.split("|")if not data:print("client has exited!")breakelif a[0]=='join':  #连接服务器请求print('client 连接服务器！')label1["text"]='client连接服务器成功，请你走棋！'elif a[0]=='exit':print('client 对方退出！')label1["text"]='client对方退出，游戏结束！'elif a[0]=='over':print('对方赢信息！')label1["text"]=data.split("|")[0]showinfo(title="提示",message=data.split("|")[1])elif a[0]=='move':print('received:',data,'from',addr)p=a[1].split(",")x=int(p[0])y=int(p[1])print(p[0],p[1])label1["text"]="客户端走的位置"+p[0]+p[1]drawOtherChess(x,y)s.close()

2.判断输赢的算法

   本游戏关键技术就是判断输赢的算法，对于算法实现大致可以分为以下几个部分：

（1）判断X=Y轴上是否形成五子连珠；

（2）判断X=-Y轴上是否形成五子连珠；

（3）判断X轴上是否形成五子连珠；

（4）判断Y轴上是否形成五子连珠；

#输赢判断
def win_lose():a=str(turn)print("a=",a)for i in range(0,11):for j in range(0,11):if map[i][j]==a and map[i+1][j+1]==a and map[i+2][j+2]==a and map[i+3][j+3]==a and map[i+4][j+4]==a:print("x=y轴上形成五子连珠")return Truefor i in range(4,15):for j in range(0,11):if map[i][j]==a and map[i-1][j+1]==a and map[i-2][j+2]==a and map[i-3][j+3]==a and map[i-4][j+4]==a:print("x=-y轴上形成五子连珠")return Truefor i in range(0,15):for j in range(4,15):if map[i][j]==a and map[i][j-1]==a and map[i][j-2]==a and map[i][j-2]==a and map[i][j-4]==a:print("Y轴上形成了五子连珠")return Truefor i in range(0,11):for j in range(0,15):if map[i][j]==a and map[i+1][j]==a and map[i+2][j]==a and map[i+3][j]==a and map[i+4][j]==a:print("X轴形成五子连珠")return Truereturn False

二. 源代码：
1.客户端编程代码如下：

from tkinter import *
from tkinter.messagebox import *
import socket
import threading
import os
#主程序
root=Tk()
root.title("网络五子棋v2.0--UDP客户端")
imgs=[PhotoImage(file='E:\\game\\BlackStone.gif'),PhotoImage(file='E:\\game\\WhiteStone.gif')]
turn=0
Myturn=-1
#画对方棋子
def drawOtherChess(x,y):global turnimg1=imgs[turn]cv.create_image((x*40+20,y*40+20),image=img1)cv.pack()map[x][y]=str(turn)#换下一方走棋if turn==0:turn=1else:turn=0
#发送消息
def sendMessage(pos):global ss.sendto(pos.encode(),(host,port))
#退出函数
def callexit(event):pos="exit|"sendMessage(pos)os._exit(0)
#走棋函数
def callback(event):global turnglobal Myturnif Myturn==-1:Myturn=turnelse:if(Myturn!=turn):showinfo(title="提示",message="还没轮到自己走棋")return#print("clicked at",event.x,event.y)x=(event.x)//40y=(event.y)//40print("clicked at",x,y,turn)if map[x][y]!=" ":showinfo(title="提示",message="已有棋子")else:img1=imgs[turn]cv.create_image((x*40+20,y*40+20),image=img1)cv.pack()map[x][y]=str(turn)pos=str(x)+','+str(y)sendMessage("move|"+pos)print("客户端走的位置",pos)label1["text"]="客户端走的位置"+pos#输出输赢信息if win_lose( )==True:if turn==0:showinfo(title="提示",message="黑方你赢了")sendMessage("over|黑方你赢了！")else:showinfo(title="提示",message="白方你赢了！")sendMessage("over|白方你赢了！")#换下一方走棋：if turn==0:turn=1else:turn=0
#画棋盘
def drawQiPan( ): #画棋盘for i in range(0,15):cv.create_line(20,20+40*i,580,20+40*i,width=2)for i in range(0,15):cv.create_line(20+40*i,20,20+40*i,580,width=2)cv.pack()
#输赢判断
def win_lose():a=str(turn)print("a=",a)for i in range(0,11):for j in range(0,11):if map[i][j]==a and map[i+1][j+1]==a and map[i+2][j+2]==a and map[i+3][j+3]==a and map[i+4][j+4]==a:print("x=y轴上形成五子连珠")return Truefor i in range(4,15):for j in range(0,11):if map[i][j]==a and map[i-1][j+1]==a and map[i-2][j+2]==a and map[i-3][j+3]==a and map[i-4][j+4]==a:print("x=-y轴上形成五子连珠")return Truefor i in range(0,15):for j in range(4,15):if map[i][j]==a and map[i][j-1]==a and map[i][j-2]==a and map[i][j-2]==a and map[i][j-4]==a:print("Y轴上形成了五子连珠")return Truefor i in range(0,11):for j in range(0,15):if map[i][j]==a and map[i+1][j]==a and map[i+2][j]==a and map[i+3][j]==a and map[i+4][j]==a:print("X轴形成五子连珠")return Truereturn False#接受消息
def receiveMessage(): #接受消息global swhile True:data = s.recv(1024).decode('utf-8')a = data.split("|")if not data:print('server has exited!')breakelif a[0] == 'exit':print('对方退出！')lanel1["text"] = '对方退出！游戏结束！'elif a[0] == 'over':print('对方赢信息！')label1["text"] = data.split("|")[0]showinfo(title="提示", message=data.split("|")[1])elif a[0] == 'move':print('received:', data)p = a[1].split(",")x = int(p[0])y = int(p[1])print(p[0], p[1])label1["text"] = "服务器走的位置" + p[0] + p[1]drawOtherChess(x,y)s.close()
#启动线程接受客户端消息
def startNewThread():thread=threading.Thread(target=receiveMessage,args=())thread.setDaemon(True)thread.start()
#主程序map=[[" "," "," "," "," "," "," "," "," "," "," "," "," "," "," "] for y in range(15)]
cv=Canvas(root,bg='green',width=610,height=610)
drawQiPan()
cv.bind("<Button-1>",callback)
cv.pack()
label1=Label(root,text="客户端...")
label1.pack()
button1=Button(root,text="退出游戏")
button1.bind("<Button-1>",callexit)
button1.pack()
#创建UDP
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
port=8000
host='localhost'
pos='join|'
sendMessage(pos)
startNewThread()
root.mainloop()

2.数据通信协议源代码：
下面展示一些 数据通信协议源代码。

def receiveMessage():global swhile True:global addrdata,addr=s.recvfrom(1024)data=data.decode('utf-8')a=data.split("|")if not data:print("client has exited!")breakelif a[0]=='join':  #连接服务器请求print('client 连接服务器！')label1["text"]='client连接服务器成功，请你走棋！'elif a[0]=='exit':print('client 对方退出！')label1["text"]='client对方退出，游戏结束！'elif a[0]=='over':print('对方赢信息！')label1["text"]=data.split("|")[0]showinfo(title="提示",message=data.split("|")[1])elif a[0]=='move':print('received:',data,'from',addr)p=a[1].split(",")x=int(p[0])y=int(p[1])print(p[0],p[1])label1["text"]="客户端走的位置"+p[0]+p[1]drawOtherChess(x,y)s.close()
#输赢判断
def win_lose():a=str(turn)print("a=",a)for i in range(0,11):for j in range(0,11):if map[i][j]==a and map[i+1][j+1]==a and map[i+2][j+2]==a and map[i+3][j+3]==a and map[i+4][j+4]==a:print("x=y轴上形成五子连珠")return Truefor i in range(4,15):for j in range(0,11):if map[i][j]==a and map[i-1][j+1]==a and map[i-2][j+2]==a and map[i-3][j+3]==a and map[i-4][j+4]==a:print("x=-y轴上形成五子连珠")return Truefor i in range(0,15):for j in range(4,15):if map[i][j]==a and map[i][j-1]==a and map[i][j-2]==a and map[i][j-2]==a and map[i][j-4]==a:print("Y轴上形成了五子连珠")return Truefor i in range(0,11):for j in range(0,15):if map[i][j]==a and map[i+1][j]==a and map[i+2][j]==a and map[i+3][j]==a and map[i+4][j]==a:print("X轴形成五子连珠")return Truereturn False
def checkwin(x,y):flag=Falsecount=1color=map[x][y]i=1#横向判断while color==map[x+i][y]:count=count+1i=i+1i=1while color==map[x-i][y]:count=count+1i=i+1if count>=5:flag=True#竖向判断i=1while color==map[x][y+i]:count=count+1i=i+1i=1while color==map[x][y-i]:count=count+1i=i+1if count>=5:flag=True#x=y判断i=1j=1while color==map[x+i][y+i]:count=count+1i=i+1j=j+1if count>=5:flag=Truej=1i=1while color==map[x-i][y-i]:count=count+1i=i+1j=j+1if count>=5:flag=True

3.服务器端源代码

客户端源代码如下：

from tkinter import *
from tkinter.messagebox import *
import socket,threading,os
def drawQiPan():for i in range(0,15):cv.create_line(20,20+40*i,580,20+40*i,width=2)for i in range(0,15):cv.create_line(20+40*i,20,20+40*i,580,width=2)cv.pack()
#走棋函数
def callpos(event):global turnglobal Myturnif Myturn==-1:  #第一次确认自己的角色Myturn=turnelse:if(Myturn!=turn):showinfo(title="提示",message="还没轮到自己下棋")return#print("clicked at",event.x,event.y,true)x=(event.x)//40y=(event.y)//40print("clicked at",x,y,turn)if map[x][y]!=" ":showinfo(title="提示",message="已有棋子")else:img1=imgs[turn]cv.create_image((x*40+20,y*40+20),image=img1)cv.pack()map[x][y]=str(turn)pos=str(x)+","+str(y)sendMessage("move|"+pos)print("服务器走的位置",pos)label1["text"]="服务器走的位置"+pos#输出输赢信息if win_lose( )==True:if turn==0:showinfo(title="提示",message="黑方你赢了")sendMessage("over|黑方你赢了")else:showinfo(title="提示", message="白方你赢了")sendMessage("over|白方你赢了")#换下一方走棋if turn==0:turn=1else:turn=0
#发送消息
def sendMessage(pos):global sglobal addrs.sendto(pos.encode(),addr)
#退出函数
def callexit(event):pos="exit|"sendMessage(pos)os._exit(0)#画对方棋子
def drawOtherChess(x,y):global turnimg1=imgs[turn]cv.create_image((x*40+20,y*40+20),image=img1)cv.pack()map[x][y]=str(turn)#换下一方走棋if turn==0:turn=1else:turn=0#判断整个棋盘的输赢
def win_lose():a=str(turn)print("a=",a)for i in range(0,11):for j in range(0,11):if map[i][j]==a and map[i+1][j+1]==a and map[i+2][j+2]==a and map[i+3][j+3]==a and map[i+4][j+4]==a:print("x=y轴上形成五子连珠")return Truefor i in range(4,15):for j in range(0,11):if map[i][j]==a and map[i-1][j+1]==a and map[i-2][j+2]==a and map[i-3][j+3]==a and map[i-4][j+4]==a:print("x=-y轴上形成五子连珠")return Truefor i in range(0,15):for j in range(4,15):if map[i][j]==a and map[i][j-1]==a and map[i][j-2]==a and map[i][j-2]==a and map[i][j-4]==a:print("Y轴上形成了五子连珠")return Truefor i in range(0,11):for j in range(0,15):if map[i][j]==a and map[i+1][j]==a and map[i+2][j]==a and map[i+3][j]==a and map[i+4][j]==a:print("X轴形成五子连珠")return Truereturn False
#输出map地图
def print_map():for j in range(0,15):for i in range(0,15):print(map[i][j],end=' ')print('w')
#接受消息
def receiveMessage():global swhile True:#接受客户端发送的消息global addrdata,addr=s.recvfrom(1024)data=data.decode('utf-8')a=data.split("|")if not data:print('client has exited!')breakelif a[0]=='join':#连接服务器的请求print('client 连接服务器！')label1["text"]='client连接服务器成功，请你走棋！'elif a[0]=='exit':print('client对方退出!')label1["text"]='client对方退出，游戏结束！'elif a[0]=='over':print('对方赢信息！')labl1["text"]==data.split("|")[0]showinfo(title="提示",message=data.split("1")[1])elif a[0]=='move':print('received:',data,'from',addr)p=a[1].split(",")x=int(p[0])y=int(p[1])print(p[0],p[1])label1["text"]="客户端走的位置"+p[0]+p[1]drawOtherChess(x,y)s.close()
def startNewThread( ):#启动新线程来接受客户端消息thread=threading.Thread(target=receiveMessage,args=())thread.setDaemon(True)thread.start()
root=Tk()
root.title("网络五子棋v2.0-服务器端")
imgs=[PhotoImage(file='E:\\game\\BlackStone.gif'),PhotoImage(file='E:\\game\\WhiteStone.gif')]
turn=0
Myturn=-1
map=[[" "," "," "," "," "," "," "," "," "," "," "," "," "," "," "] for y in range(15)]
cv=Canvas(root,bg='green',width=610,height=610)
drawQiPan()
cv.bind("<Button-1>",callpos)
cv.pack()
label1=Label(root,text="服务器端...")
label1.pack()
button1=Button(root,text="退出游戏")
button1.bind("<Button-1>",callexit)
button1.pack()
#创建UDP SOCKET
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.bind(('localhost',8000))
addr=('localhost',8000)
startNewThread()
root.mainloop()

运行结果展示：

所有的都在这里了，欢迎各位大佬批评指正，

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