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In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.1900 年的慕尼黑，野心勃勃的啤酒酿造商寇特·普兰克采用残忍手段，只为建造一个啤酒棚，在暴利的十月啤酒节上称霸。There are seven structural modes (6-12): adapter mode, decorator mode, agent mode, appearance mode, bridging mode, combination mode and element sharing mode.该剧根据郭晓冬饰演的西藏活佛“扎西”为核心人物，以藏人说藏事的方式展现三、四十年代西藏种种鲜为人知的日常生活原貌，体现扎西为推翻西藏农奴制度做出重要贡献的传奇一生。哦？徐荣略微的沉吟之后问道：怎么？你的意思是？徐建说道：周浩匆匆忙忙前去自然是收到了消息，去会稽山寻小妹去了。东方不败眼神迷离朦胧，朱唇微启，纤细、毫无杂质、似寒玉的手伸出，高举酒壶，酒水倾洒而下。This is because some Western politicians, including the United States, Britain and France, have repeatedly accused the media of carrying out news propaganda without any evidence.