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Avoid coupling the sender and receiver of the request, make it possible for multiple objects to receive the request, connect these objects into a chain, and pass the request along this chain until an object processes it. This is the responsibility chain mode. In the responsibility chain mode, it is possible for each object to process the request, thus realizing decoupling between the sender and receiver of the request. At the same time, the responsibility chain mode simplifies the structure of the object, which makes each object only need to refer to its successor without knowing the whole chain, thus improving the flexibility of the system and making it more convenient to add new request processing classes. However, we cannot guarantee that all requests can be processed in the responsibility chain, and it is not conducive to observing runtime characteristics.钢琴大师变身老戏骨，郎朗师妹首战影视圈；韩国小鲜肉倾力加盟，金童玉女演绎传奇跨国恋；绝代佳丽国色天香，骨灰美女争芳斗艳；学习《老炮儿》好榜样，导演客串屌丝男！中国校花，揭示神秘符号；韩国校草，掀起动感热浪；友情与爱情，交相辉映；古典与时尚，珠联璧合！让我们一起再看流星雨——《校花时代》。以黑川翔子的报导文学改编,在一所被称为底层学校的县立高中,一年内多达相当一个班的40名学生辍学,教师们努力解决现代社会两极化下中学生面临的各种问题,描述基于一个关于新老师的冲突和成长的真实故事。大漠高墙电视剧在改造、教育、回归、心理等因素情节脉络中展示观念的冲突和戏剧冲突，体现了改革与保守、创新与传统思想的激烈碰撞，从新世纪的监狱调整步伐中演绎了跌宕起伏的戏剧冲突，塑造了耳目一新的监狱民警影视群象。从一个侧面讴歌了我区监狱民警肩负历史使命，勇于探索创新，严格文明执法的高尚情操和无私奉献的情怀。电视剧大漠高墙全集还从监狱民警形象在生活和工作、亲情与原则的两难抉择中，展示监狱民警对党的监狱事业不懈追求和忠诚执着，在重铸罪犯灵魂的同时，改造自然、改造环境，使大漠戈壁发生巨大变化，监管手段日趋完善，加快了现代化文明监狱的创建步伐Double panel韩信和彭越可以依旧会如约出兵，项羽的局面确实紧张。Explain the template method mode, which means: in an abstract class, there is a main method, and then define 1... n methods, which can be abstract or actual methods, define a class, inherit the abstract class, override the abstract method, and realize the call to subclasses by calling the abstract class. First look at a diagram: