多线程测试

import threading
import time

exitFlag = 0

class myThread(threading.Thread): #继承父类threading.Thread
    def __init__(self, threadID, name, counter):
        threading.Thread.__init__(self)
        self.threadID = threadID
        self.name = name
        self.counter = counter
    def run(self): #将要执行的代码写到run函数里面 线程在创建后会直接运行run函数
        print "Starting " + self.name
        print_time(self.name, self.counter, 5)
        print "Exiting " + self.name
        
def print_time(threadName, delay, counter):
    while counter:
        if exitFlag:
            thread.exit()
        time.sleep(delay)
        print "%s : %s" % (threadName, time.ctime(time.time()))
        counter = counter - 1
    
#create a new thread
thread1 = myThread(1, "Thread1", 1)
thread2 = myThread(2, "Thread2", 2)

#open the thread
thread1.start()
thread2.start()

print "Exiting the Main Thread"