我试图构建一个简单的Messenger，但仅当其他用户按Return键时，该消息才会弹出。 如何修改呢？

Question

我使用套接字和Tkinter模块构建了一个简单的Messenger。 但是似乎有一个问题。 仅当第一个用户按下Return键发送其消息时，才会显示来自其他用户的消息。 我已尽力解决此问题，但无法解决。

这是我的代码（很抱歉，代码太多，但必须包括所有内容）：

Server.py

from Tkinter import *
import socket

host = '127.0.0.1'
port = 5000

s = socket.socket ()
s.bind ((host, port))

s.listen (1)
c, addr = s.accept ()

root = Tk ()
topFrame = Frame (root)
topFrame.pack ()
bottomFrame = Frame (root)
bottomFrame.pack (side = BOTTOM)

scrollBar = Scrollbar (topFrame)
scrollBar.pack (side = RIGHT, fill = Y)

textArea = Listbox (topFrame, width = 40, height = 10, yscrollcommand = scrollBar.set)
textArea.pack (side = LEFT)
scrollBar.config (command = textArea.yview)

enterText = Entry (bottomFrame, width = 30)

textArea.insert (0, "Connection with client established")

def sendText (event):
    global c, textArea, enterText
    text = enterText.get ()
    c.send (text)
    textArea.insert (0, "SERVER: " + enterText.get ())
    enterText.delete (0, END)
    root.update ()
    data = c.recv (1024)
    textArea.insert (0, "CLIENT: " + str (data))
    root.update ()

enterText.pack (side = LEFT, padx = 10, pady = 5)
enterText.bind ('<Return>', sendText)

Send = Button (bottomFrame, text = "Send")
Send.pack (side = RIGHT, padx = 10, pady = 5)

mainloop ()
c.close ()`

客户端

from Tkinter import *
import socket

host = '127.0.0.1'
port = 5002

s = socket.socket ()
s.connect ((host, port))

root = Tk ()

topFrame = Frame (root)
topFrame.pack ()
bottomFrame = Frame (root)
bottomFrame.pack (side = BOTTOM)

scrollBar = Scrollbar (topFrame)
scrollBar.pack (side = RIGHT, fill = Y)

textArea = Listbox (topFrame, width = 40, height = 10, yscrollcommand = scrollBar.set)
textArea.pack (side = LEFT)
scrollBar.config (command = textArea.yview)

enterText = Entry (bottomFrame, width = 30)

textArea.insert (0, "Connection with server established")

def sendText (event):
    global s, textArea, enterText
    text = enterText.get ()
    s.send (text)
    textArea.insert (0, "CLIENT: " + enterText.get ())
    enterText.delete (0, END)
    root.update ()
    data = s.recv (1024)
    textArea.insert (0, "SERVER: " + str (data))
    root.update ()


enterText.pack (side = LEFT, padx = 10, pady = 5)
enterText.bind ('<Return>', sendText)

Send = Button (bottomFrame, text = "Send")
Send.pack (side = RIGHT, padx = 10, pady = 5)

mainloop ()
s.close ()

PS-我只是一个初学者，正在尝试学习

Answer 1

您将recv函数放在sendText中

UI和网络应位于2个不同的线程中。 我建议您多进行一些网络编程，以了解对专用网络线程的需求。

也尝试阅读有关事件队列的信息。