我试图用pythonttkinter制作一个聊天程序，但是我的recv函数recvMSG()要么没有接收到任何东西，要么就是不打印任何东西。在

你能帮我解决接收问题吗？你想怎么改就怎么改。在from Tkinter import *

import easygui

import socket

import threading

msgscount = 1

setup = False

def makeServer():

global tcpclisock

host = ''

port = easygui.integerbox(msg='Enter a port...', title='Port', argUpperBound=100000)

buffsize = 1024

addr = (host, port)

setup = True

tcpsersock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

tcpsersock.bind(addr)

tcpsersock.listen(5)

tcpclisock, addr = tcpsersock.accept()

easygui.msgbox(msg=('Connected from: ', addr), title='Connected')

def connectServer():

global tcpclisock

setup = True

host = easygui.choicebox(msg='Choose a host...', title='Choose Host', choices=('localhost'),buttons=('Select'))

port = easygui.integerbox(msg='Enter a port...', title='Port', argUpperBound=100000)

buffsize = 1024

addr = (host, port)

tcpclisock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

tcpclisock.connect(addr)

def sendMSG():

global msgscount, tcpclisock

try:

msgs.insert(msgscount, ">>" + msg.get())

data = msg.get()

msg.delete(0,END)

msgscount += 1

tcpclisock.send(data)

except:

easygui.msgbox(msg='You need to connect to a server.', title='Error')

def recvMSG():

global msgscount,tcpclisock

if setup == True:

datar = tcpclisock.recv(buffsize)

msgs.insert(msgscount, datar)

msgscount += 1

top.after(1000, recvMSG)

else:

answ = easygui.buttonbox(msg='Please join or create a server', title='Server', choices=("Create", 'Join'))

if answ == "Create":

makeServer()

else:

connectServer()

top = Tk()

top.geometry('640x650')

msgs = Listbox(top, width=105, height=43)

msgs.pack()

msg = Entry(top, bd=2, width=60, font='Arial 12 bold')

msg.pack(side=LEFT)

sendbtn = Button(top, text='Send', font='Arial 15 bold',width=15, padx=5, pady=5,command=runSendMSG)

sendbtn.pack(side=RIGHT)

menubar = Menu(top)

servermenu = Menu(menubar, tearoff=0)

servermenu.add_command(label="Create Server", command=makeServer)

servermenu.add_command(label="Join Server", command=connectServer)

menubar.add_cascade(label='Server', menu=servermenu)

top.config(menu=menubar)

top.after(5000, recvMSG)

mainloop()