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The Way to Build Tencent Aegis System大学生活那些事1. Printing screenshots of all top-up records of the platformGymnasticsOne 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.娱乐界赫赫有名的经纪企划公司大老板世勋，偶然间遇到了不食人间烟火的山村姑娘伊玲，认为伊玲是个难得的明星材料，各种穷追猛打要将她收纳为自己公司的旗下艺人，而伊玲从小深受儒家教育思想熏陶，对做明星丝毫不感兴趣。两个性格如同水火一样的男女就此展开一段奇妙的缘分。世勋突然恍然大悟自己和伊玲不是伯乐和千里马的关系，而是从最初就是一见钟情。为了自己心爱的那个她，他展开了一段由“王子”变身“屌丝”的历程。