python多线程模块threading使用范例代码

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#!/usr/bin/python
 
import threading
import time
 
exitFlag = 0
 
class myThread (threading.Thread):
    def __init__(self,threadID,name,counter):
        threading.Thread.__init__(self)
        self.threadID = threadID
        self.name = name
        self.counter = counter
    def run(self):
        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 -= 1
 
# Create new threads
thread1 = myThread(1,"Thread-1",1)
thread2 = myThread(2,"Thread-2",2)
 
# Start new Threads
thread1.start()
thread2.start()
 
print "Exiting Main Thread"
 

输出结果如下：

Starting Thread-1
Starting Thread-2
Exiting Main Thread
Thread-1: Thu Mar 21 09:10:03 2013
Thread-1: Thu Mar 21 09:10:04 2013
Thread-2: Thu Mar 21 09:10:04 2013
Thread-1: Thu Mar 21 09:10:05 2013
Thread-1: Thu Mar 21 09:10:06 2013
Thread-2: Thu Mar 21 09:10:06 2013
Thread-1: Thu Mar 21 09:10:07 2013
Exiting Thread-1
Thread-2: Thu Mar 21 09:10:08 2013
Thread-2: Thu Mar 21 09:10:10 2013
Thread-2: Thu Mar 21 09:10:12 2013
Exiting Thread-2

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