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能源钱景 第一季女孩江达琳从没干过一天公关，却临危受命接任了父亲的公关传媒公司。生性耿直的她刚刚走马上任，不仅面临诸多优秀员工的审视，还肩负着带领DL公关从负面新闻中走出、重振旗鼓的重任。为了能够抗衡这一切压力，达琳费尽心机请来行业内著名的危机公关专家卫哲，成为DL公关的第四名合伙人。江达琳在卫哲的训练下迅速成长为优秀的公关专家，完美解决了一个个公关危机。而身患焦虑症的卫哲，也在达琳的影响下重新找回了真实的自己。两人带领众员工重振DL公关，成为了危机公关行业的超级英雄。不知想些什么，一副神游天外的模样。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.13而且越国一旦在关中站稳脚跟，可以通过崤山三关对汉国的中原之地虎视眈眈。