25 lines
665 B
Python
25 lines
665 B
Python
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# 这里我们要介绍一下协程的机制，协程是在单个线程内让两个函数交替执行的一种形式
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# 以著名问题生产者和消费者作为基底进行讨论
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def consumer():
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return_str = ''
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while True:
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print(1)
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n = yield return_str
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if not n:
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return
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print("消费者正在消费{}".format(n))
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return_str = "200 OK"
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def producer(c):
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next(c)
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n = 0
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while n < 5:
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n = n + 1
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print("生产者正在生产{}".format(n))
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return_str = c.send(n)
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print("消费者收到消息返回{}".format(return_str))
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c.close()
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con = consumer()
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producer(con)
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