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User class unified interface, User1 and User2 are different objects respectively, and they are related. If the mediator mode is not adopted, the two need to hold references to each other, so the coupling degree between the two is very high. In order to decouple, the Mediator class is introduced to provide unified interface, and MyMediator is its implementation class, which holds instances of User1 and User2 to control User1 and User2. In this way, User1 and User2 objects are independent of each other. They only need to maintain a good relationship with the Mediator, and the rest is maintained by the MyMediator class! Basic implementation:我那么好的镯子……赵思萍死立在原地，她从来都是占便宜没够吃亏难受的人，如今为了救那傻子，搭上自己的镯子，说什么也不干。　　本剧的中心人物郭彩三是一个具有浓郁传统观念的人物，全剧通过郭彩三的视角贯穿整个范府大院的兴衰。他从范府一个小听差的，凭借个人能力成为范府大管家。在日本侵略者占领北平时被日本人逼迫做了税务局长，但在地下党“蔡老板”引领下，为共产党八路军做过很多有益的事，表现了一个中国人应有的民族气节。但在国民党统治时期，被定为北平头号大汉奸。北平解放后，共产党给郭彩三平了反。而他与年轻的范家太太月娘、丫环玲子、范家大小姐念人、二小姐念春之间的感情纠葛，更是让全剧充满了灵与肉的搏杀，故事跌宕起伏、The main difference between the proxy mode and the appearance mode is that the proxy object cannot directly access the object, but can only be accessed by the proxy object, while the appearance object provides a simplified access call interface for each subsystem, while the adapter mode does not need to fabricate a proxy, so as to reuse the original interface. The appearance mode defines a new interface, while the adapter reuses an existing interface.从何风营帐出来，黎章立即被魏铜等人包围，七嘴八舌地询问将军对她的处置网络动画《Levius》改编自中田春弥创作的同名漫画作品，由Polygon Pictures负责制作，于2019年冬季在Netflix发布。