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项梁续道：我们是大楚的子民，是大楚的军人，我们要为报效国家就得留着有用。The JS code becomes the following:新晋网红打造的MCN公司，老板向东流手下拥有两名得力干将，负责内部管理的叶之舟和负责市场营销的曾心。然而，有关向东流和叶之舟的流言从未间断，向东流在此时提出离婚，一时间谣言甚嚣尘上。充满市场敏锐度的曾心提议趁此机会做一场离婚直播，叶之舟劝阻无效，离婚仪式被提上日程，也因此引发了向东流妻子的不满。离婚仪式在众人合力之下完美收场，随后向东流意外晋升叶之舟为总经理，也点燃了叶之舟与曾心之间的斗争。而另一边，叶之舟答应实习生范思哲成为他研究心理学的对象，范思哲却是流言中插足向东流婚...农家女陶苏一副将信将疑的表情，至此还不敢相信真的是自己。有什么事情自然要去那里询问了。2017-11-17 23:46:12One 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.