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Bridging mode aims to decouple abstraction and implementation so that the two can change independently. That is to say, the bridging mode further abstracts the implementation details of the original base class into an implemented structure, and then transforms the original base class into an abstract hierarchical structure, thus realizing independent changes of the system in multiple dimensions. The structure diagram of the bridging mode is shown below.本剧讲述了王斌（傅程鹏饰）、楚静（王一然饰）、肖天明（徐洪浩饰）、雷鹏（徐佳饰）几位成长在新中国的第一批解放军战士，他们完整地从父辈身上继承了延安精神，他们唯一的精神信念就是忠诚党的事业，守护着新中国的每一个黎明。他们虽属于那个红色浪漫的年代，却能对信仰缺失的当代人产生精神烛照和思想指引，这也是本剧与众不同的“戏魂”。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.Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility.……沙加路瞪着杨长帆片刻，突然转望徐文长，您曾在欧洲或者美洲大陆游历过么？徐文长闻言大笑：中华儿女，如鸥鸟豚鱼，遍布四海，鄙人不过一只井底之蛙。经好友刘明浩介绍，杨瑞参加了京师体校跆拳道训练班，他在那里认识了干杂工的安心。安心清纯的外貌，忧郁的眼神、迷一样的身世深深吸引了杨瑞。随着他们交往的增多，杨瑞渐渐知道了安心坎坷复杂的经历……