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56 lines
1.2 KiB
56 lines
1.2 KiB
5 years ago
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# Python多线程例子来示例加线程锁
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# 1。使用线程定义一个子类。线程类
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# 2。实例化子类并触发线程
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# 3。在线程的运行方法中实现锁
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import threading
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import datetime
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exitFlag = 0
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class myThread(threading.Thread):
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def __init__(self, name, counter):
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threading.Thread.__init__(self)
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self.threadID = counter
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self.name = name
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self.counter = counter
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def run(self):
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print("\n开始 " + self.name)
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# Acquire lock to synchronize thread
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threadLock.acquire()
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print_date(self.name, self.counter)
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# Release lock for the next thread
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threadLock.release()
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print("退出 " + self.name)
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def print_date(threadName, counter):
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datefields = []
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today = datetime.date.today()
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datefields.append(today)
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print("{}[{}]: {}".format(threadName, counter, datefields[0]))
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threadLock = threading.Lock()
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threads = []
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# Create new threads
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thread1 = myThread("线程", 1)
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thread2 = myThread("线程", 2)
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# Start new Threads
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thread1.start()
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thread2.start()
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# Add threads to thread list
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threads.append(thread1)
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threads.append(thread2)
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# Wait for all threads to complete
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for thread in threads:
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thread.join()
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print("\n退出程序!!!")
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