python执行多线程的实例

 

#-*- encoding: gb2312 -*-
import threading
import time
from socket import *

class MyThread(threading.Thread):
    def __init__(self,host,port,msg,BF):
        threading.Thread.__init__(self)
        self.host = host
        self.port = port
        self.msg = msg
        self.BF = BF
       

    def run(self):
        print 'connect server and get the DevIpAddress '+str(self.msg)

        port = int(self.port)
        address=(self.host,port)
        print address
        clientSocket=socket(AF_INET,SOCK_STREAM)
        #创建采用TCP 协议的socket对象
        clientSocket.connect(address)
        #连接指定的服务器端

   
        while True:
            time.sleep(3)
            clientSocket.send(self.msg)
            msg=clientSocket.recv(self.BF)
            if (len(msg) > 0):
                print msg
               
def test():
    thread1 = MyThread(‘127.0.0.1’,7071,'aaa',1024)
    thread2 = MyThread(‘127.0.0.1’,7071,'ccc',1025)
    thread1.start() 
    thread2.start() 
    time.sleep(10)

if __name__ == '__main__': 
    test()