生产者与消费者问题，一共12个缓冲池，生产和消费时间可以自己设定-producers and consumers, a total of 12 buffer pool, the production and consumption of time can be set itself

生产者与消费者问题，一共12个缓冲池，生产和消费时间可以自己设定-producers and consumers, a total of 12 buffer pool, the production and consumption of time can be set itself