生产者-消费者

 1 import time
 2 from threading import Thread
 3 from queue import Queue
 4 class Producter(Thread):
 5     def run(self):
 6         global queue
 7         count = 0
 8         while True:
 9             #判断队列的大小
10             if queue.qsize()<1000:
11                 for i in range(100):
12                     count += 1
13                     msg = ‘生产第‘+str(count)+‘个产品‘
14                     queue.put(msg)
15                     print(msg)
16                 time.sleep(0.5)
17 class Consumer(Thread):
18     def run(self):
19         global queue
20         while True:
21             if queue.qsize()>100:
22                 for i in range(10):
23                     msg = self.name+‘消费‘+queue.get()
24                     print(msg)
25                 time.sleep(1)
26 if __name__ == ‘__main__‘:
27     queue = Queue()
28     p = Producter()
29     c = Consumer()
30     p.start()
31     time.sleep(1)
32     c.start()