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在一场家庭悲剧之后，法医调查员宝拉被错误地送进了一家精神病院。在那里，当她调查住院治疗背后的真实动机，揭开一个可怕的阴谋时，她的思想在阴暗和可疑的道路上徘徊，直到到达精神错乱的边缘。One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.蒲俊看着高台下的情景，心如明镜，这一万五千士兵比不上自己和苏角率领的这三万精锐，这一点毋庸置疑。The same is true of filter cotton. Everything is normal and everything is so white.版本一Let's explain the concepts of two "offline", one is "subjective offline" and the other is "objective offline".