消费者模型代码

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#生产者消费者模型 import time from multiprocessing import Process,Queue,JoinableQueue   def producer(q):     for i in range(1,11):         time.sleep(0.5)         print('生产了包子%s号' % i)         q.put(i)     q.join()     print('在这里等你') def consumer(q):     while 1:         time.sleep(1)         s = q.get()         print('消费者吃了%s包子' % s)         q.task_done()  #给q对象发送一个任务结束的信号   if __name__ == '__main__':     #通过队列来模拟缓冲区,大小设置为20     q = JoinableQueue(20)     #生产者进程     pro_p = Process(target=producer,args=(q,))     pro_p.start()     #消费者进程     con_p = Process(target=consumer,args=(q,))     con_p.daemon = True #     con_p.start()     pro_p.join()     print('主进程结束')