PYTHON线程知识再研习B

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#!/usr/bin/env python

# -*- coding: utf-8 -*-

from threading import Thread

import time

def run_thread(n):

    for i in range(n):

        print i

class race(Thread):

    def __init__(self,threadname,interval):

        Thread.__init__(self,name=threadname)

        self.interval = interval

        self.isrunning = True

    def run(self):

        while self.isrunning:

            print 'thread %s is running,time:%s\n' %(self.getName(),time.ctime())

            time.sleep(self.interval)

    def stop(self):

        self.isrunning = False

def test():

    t1 = Thread(target=run_thread,args=(5,))

    t1.start()

    thread1 = race('A',1)

    thread2 = race('B',2)

    thread1.start()

    thread2.start()

    time.sleep(4)

    thread1.stop()

    thread2.stop()

if __name__ == '__main__':

    test()