效果：

自己需要两个棋子：

服务器玩家全部代码：

# 案列使用TCP连接
# 这是服务器端

import socket
import wx
import threading
import time
from PIL import Image

# 定义套接字 s
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
Cell=40

# 定义窗口类
class MyFrame(wx.Frame):
  # 初始化这里就是生成界面，然后绑定了按钮事件，其他没了
  def __init__(self):
    super().__init__(parent=None,size=(600,600),)
    self.Center()
    self.panel=wx.Panel(parent=self)
    #openButton = wx.Button(parent=map, id=1, label="开房间")
    #self.Bind(wx.EVT_BUTTON, self.StartGame)
    self.panel.Bind(wx.EVT_PAINT, self.PaintBackground) # 绘图
    self.panel.Bind(wx.EVT_LEFT_DOWN,self.GoChess) # 绑定鼠标左键消息
    self.picture = [wx.Bitmap("黑.png"), wx.Bitmap("白.png")]
    # 创造二维数组用来判断自己是否获胜
    self.map = [[" ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " "] for y in range(15)]
    # 定义一个变量来标志自己是否可以走棋
    self.IsGoGame = True

    self.StartGame()


  # 画背景函数
  def PaintBackground(self,event):
    self.dc = wx.PaintDC(self.panel)
    # 创造背景
    brush = wx.Brush("white")
    self.dc.SetBackground(brush)
    self.dc.Clear()
    # 画方格线
    pen = wx.Pen(wx.Colour(0, 0, 0), 1, wx.SOLID)
    self.dc.SetPen(pen)
    for i in range(15):
      self.dc.DrawLine(0, Cell*i, 600, Cell*i)
      self.dc.DrawLine(Cell * i, 0, Cell * i, 600)


  # 在x,y坐标绘制棋子
  def PaintPiece(self,x,y):
    image = wx.StaticBitmap(self.panel, -1, self.picture[0],size=(40,40),pos=(x*Cell+Cell/2,y*Cell+Cell/2))
    #image.SetPosition((x*Cell+Cell/2,y*Cell+Cell/2))

  # 玩家自己走棋
  def GoChess(self,event):
    #SetPosition(event.GetPosition())
    if self.IsGoGame:
      pos = event.GetPosition() # 在x,y坐标绘制棋子
      x = int((pos.x - Cell / 2) // Cell)
      y = int((pos.y - Cell / 2) // Cell)
      self.PaintPiece(x, y)

      # 下子后，向客户端发送位置
      msg = str(x) + "," + str(y)
      self.conn.send(msg.encode()) # 给客户端发送信息
      print("服务器发送：", msg)
      self.map[x][y]="a"
      # 判断是否胜利
      if self.win_lose("a"):
        self.one_Dialog("win")
      self.IsGoGame=False
    else:
      self.one_Dialog("notGo")

  # 开启服务器端函数
  def StartGame(self):
    self.otherNum=0
    self.image=[]
    for item in range(50):
      self.image.append(wx.StaticBitmap(self.panel, -1, self.picture[1], size=(40, 40),pos=(-100,-100)))
    threadGame=threading.Thread(target=self.thread_body,name="Srever")
    threadGame.start()

  def thread_body(self):
    s.bind(("127.0.0.1", 8888)) # 绑定IP和端口（参数为二元组），就是寻址
    s.listen(5) # 因为是TCP，所有要监听端口
    print("服务器启动·····")
    self.conn, self.addess = s.accept() # 等待客户端连接（参数为最大连接数），返回一个二元组（新的socket对象+客户端地址）
    while True:
      data = self.conn.recv(1024) # 接受1024字节序列数据（这个函数阻塞，直到接受到数据）
      if len(data) != 0:
        msg = data.decode()
        print("服务器接收：",msg)
        msg = msg.split(",")
        #self.PaintPiece(int(msg[0]), int(msg[1]))
        #image = wx.StaticBitmap(self.panel, -1, self.picture[0], size=(40, 40))

        # 设置原来实例化好的棋子的位置
        self.image[self.otherNum].SetPosition((int(msg[0]) * Cell + Cell / 2, int(msg[1])* Cell + Cell / 2))
        self.otherNum+=1
        self.map[int(msg[0])][int(msg[1])] = "b"
        if self.win_lose("b"): # 判断对方玩家是否胜利
          self.one_Dialog("lose")
        self.IsGoGame = True # 接收消息后 玩家能够走棋

      #time.sleep(2)

  def one_Dialog(self,msg):
    if msg=="win":
      dlg = wx.MessageDialog(None, u"你胜利了！", u"恭喜", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        self.Close(True)
      dlg.Destroy()
    elif msg=="lose":
      dlg = wx.MessageDialog(None, u"你输了！", u"很遗憾", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        self.Close(True)
      dlg.Destroy()
    elif msg == "notGo":
      dlg = wx.MessageDialog(None, u"等待对方下棋！", u"提示", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        #self.Close(True)
        dlg.Destroy()

  def win_lose(self,msg):
    a = str(msg)
    print("a=", a)
    for i in range(0, 11):
      for j in range(0, 11):
        if self.map[i][j] == a and self.map[i + 1][j + 1] == a and self.map[i + 2][j + 2] == a and \
                self.map[i + 3][
                      j + 3] == a and self.map[i + 4][j + 4] == a:
          print("x=y轴上形成五子连珠")
          return True
    for i in range(4, 15):
      for j in range(0, 11):
        if self.map[i][j] == a and self.map[i - 1][j + 1] == a and self.map[i - 2][j + 2] == a and \
                self.map[i - 3][
                      j + 3] == a and self.map[i - 4][j + 4] == a:
          print("x=-y轴上形成五子连珠")
          return True
    for i in range(0, 15):
      for j in range(4, 15):
        if self.map[i][j] == a and self.map[i][j - 1] == a and self.map[i][j - 2] == a and self.map[i][
              j - 2] == a and self.map[i][
              j - 4] == a:
          print("Y轴上形成了五子连珠")
          return True
    for i in range(0, 11):
      for j in range(0, 15):
        if self.map[i][j] == a and self.map[i + 1][j] == a and self.map[i + 2][j] == a and \
                self.map[i + 3][j] == a and \
                self.map[i + 4][j] == a:
          print("X轴形成五子连珠")
          return True
    return False


# 应用程序
class App(wx.App):
  def OnInit(self):
    frame=MyFrame()
    frame.Show()
    return True
  def OnExit(self):
    s.close() # 关闭socket对象
    return 0

# 进入main函数运行：循环
if __name__=="__main__":
  app=App()
  app.MainLoop()

客户端玩家全部代码：

# 案列使用TCP连接
# 这是服务器端

import socket
import wx
import threading
import time
from PIL import Image


# 定义套接字 s
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
Cell=40

# 定义窗口类
class MyFrame(wx.Frame):
  # 初始化这里就是生成界面，然后绑定了按钮事件，其他没了
  def __init__(self):
    super().__init__(parent=None,size=(600,600),)
    self.Center()
    self.panel=wx.Panel(parent=self)
    #openButton = wx.Button(parent=map, id=1, label="开房间")
    #self.Bind(wx.EVT_BUTTON, self.StartGame)
    self.panel.Bind(wx.EVT_PAINT, self.PaintBackground) # 绘图
    self.panel.Bind(wx.EVT_LEFT_DOWN,self.GoChess) # 绑定鼠标左键消息
    self.picture=[wx.Bitmap("白.png"),wx.Bitmap("黑.png")]

    # 创造二维数组用来判断自己是否获胜
    self.map = [[" ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " "] for y in range(15)]
    # 定义一个变量来标志自己是否可以走棋
    self.IsGoGame=False

    self.StartGame()

  # 画背景函数
  def PaintBackground(self,event):
    self.dc = wx.PaintDC(self.panel)
    # 创造背景
    brush = wx.Brush("white")
    self.dc.SetBackground(brush)
    self.dc.Clear()
    # 画方格线
    pen = wx.Pen(wx.Colour(0, 0, 0), 1, wx.SOLID)
    self.dc.SetPen(pen)
    for i in range(15):
      self.dc.DrawLine(0, Cell*i, 600, Cell*i)
      self.dc.DrawLine(Cell * i, 0, Cell * i, 600)

  # 在x,y坐标绘制棋子
  def PaintPiece(self,x,y):
    image = wx.StaticBitmap(self.panel, -1,self.picture[0] ,size=(40,40),pos=(x*Cell+Cell/2,y*Cell+Cell/2))
    #image.SetPosition()

  def GoChess(self,event):
    #SetPosition(event.GetPosition())
    if self.IsGoGame: # 轮到自己下棋
      pos = event.GetPosition() # 在x,y坐标绘制棋子
      x=int((pos.x-Cell/2)//Cell)
      y=int((pos.y-Cell/2)//Cell)
      self.PaintPiece(x, y)

      # 下子后，向客户端发送位置
      msg=str(x)+","+str(y)
      s.send(msg.encode()) # 给客户端发送信息
      print("客户端发送：", msg)
      self.map[x][y] = "a"
      # 判断是否胜利
      if self.win_lose("a"):
        self.one_Dialog("win")
      self.IsGoGame=False
    else:
      self.one_Dialog("notGo")


  # 开启服务器端函数
  def StartGame(self):
    self.image=[]
    self.otherNum = 0
    for item in range(50):
      self.image.append(wx.StaticBitmap(self.panel, -1, self.picture[1], size=(40, 40), pos=(-100, -100)))
    while True:
      try:
        s.connect(("127.0.0.1", 8888))
        break
      except:
        print("等待服务器启动~")
    threadGame = threading.Thread(target=self.thread_body, name="Client")
    threadGame.start()
    return

  def thread_body(self):
    while True:
      data = s.recv(1024) # 等待接收服务器端信息
      if len(data) != 0:
        msg=data.decode()
        print("客户端接收：", msg)
        msg = msg.split(",")
        #self.PaintPiece(int(msg[0]), int(msg[1]))
        #image = wx.StaticBitmap(self.panel, -1, self.picture[0], size=(40, 40))
        self.image[self.otherNum].SetPosition((int(msg[0]) * Cell + Cell / 2, int(msg[1]) * Cell + Cell / 2))
        self.otherNum += 1
        self.map[int(msg[0])][int(msg[1])] = "b"
        if self.win_lose("b"):
          self.one_Dialog("lose")
        self.IsGoGame=True
      #time.sleep(2)

  def one_Dialog(self, msg):
    if msg == "win":
      dlg = wx.MessageDialog(None, u"你胜利了！", u"恭喜", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        self.Close(True)
      dlg.Destroy()
    if msg == "lose":
      dlg = wx.MessageDialog(None, u"你输了！", u"很遗憾", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        self.Close(True)
      dlg.Destroy()
    if msg == "notGo":
      dlg = wx.MessageDialog(None, u"等待对方下棋！", u"提示", wx.YES_NO | wx.ICON_QUESTION)
      if dlg.ShowModal() == wx.ID_YES:
        #self.Close(True)
        dlg.Destroy()

  # 判断整个棋盘的输赢
  def win_lose(self,msg):
    a = str(msg)
    print("a=", a)
    for i in range(0, 11):
      for j in range(0, 11):
        if self.map[i][j] == a and self.map[i + 1][j + 1] == a and self.map[i + 2][j + 2] == a and self.map[i + 3][
              j + 3] == a and self.map[i + 4][j + 4] == a:
          print("x=y轴上形成五子连珠")
          return True
    for i in range(4, 15):
      for j in range(0, 11):
        if self.map[i][j] == a and self.map[i - 1][j + 1] == a and self.map[i - 2][j + 2] == a and self.map[i - 3][
              j + 3] == a and self.map[i - 4][j + 4] == a:
          print("x=-y轴上形成五子连珠")
          return True
    for i in range(0, 15):
      for j in range(4, 15):
        if self.map[i][j] == a and self.map[i][j - 1] == a and self.map[i][j - 2] == a and self.map[i][j - 2] == a and self.map[i][
              j - 4] == a:
          print("Y轴上形成了五子连珠")
          return True
    for i in range(0, 11):
      for j in range(0, 15):
        if self.map[i][j] == a and self.map[i + 1][j] == a and self.map[i + 2][j] == a and self.map[i + 3][j] == a and \
                self.map[i + 4][j] == a:
          print("X轴形成五子连珠")
          return True
    return False

# 应用程序
class App(wx.App):
  def OnInit(self):
    frame=MyFrame()
    frame.Show()
    return True
  def OnExit(self):
    s.close() # 关闭socket对象
    return 0

# 进入main函数运行：循环
if __name__=="__main__":
  app=App()
  app.MainLoop()