网络编程-多线程聊天

代码：

from socket import *
from threading import Thread

#1.收数据,然后打印
def recvDate():
    while True:
        recvInfo = udpSocket.recvfrom(1024)
        print("")
        print(">>%s:%s"%(str(recvInfo[1]),recvInfo[0].decode("gb2312")))



#2.检测键盘，发数据
def sendDate():
    while True:
        sendInfo = input("<<")
        udpSocket.sendto(sendInfo.encode("gb2312"),(destIp,destPort))

udpSocket = None
destIp = ""
destPort = 0

def main():

    global udpSocket
    global destIp
    global destPort

    destIp = input("对方的ip：")
    destPort = int(input("对方的端口："))
    udpSocket = socket(AF_INET,SOCK_DGRAM)
    udpSocket.bind(("",4567))

    tr = Thread(target=recvDate)
    ts = Thread(target=sendDate)

    tr.start()
    ts.start()

    tr.join()
    ts.join()

if __name__ == "__main__":
    main()