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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.剧讲述了郑荣与郑良两兄弟得兵部尚书杨大人收养后，成为锦衣卫。东厂督主刘青设计让锦衣卫指挥使方明山派郑荣刺杀杨大人。郑荣悔恨错杀义父，作证人扳倒方明山。郑良搞清真相，解救郑荣，两人联手与东厂殊死一搏。本剧突出弘扬当代教育的创新精神和特区少年儿童发展的主旋律，通过德育创新、科学、语文课改以及性教育、家庭教育、叛逆期孩子成长等一系列重大而敏感的教育焦点问题，及时性、全景式展现家庭、学校、社会三教结合共同培养新人的创新历程，深刻揭示当代教育“以人为本”的核心理念。唐甜甜、阮绵绵、高晓晓、崔梅子等四人是某音乐学院同一宿舍的大四女生，在这大学时代最后的一个冬季，将注定是不平静的，也会留给她们永不磨灭的友情记忆。It's not shameful to be a female, and you have to bear such a family, everyone will only sympathize with you. The problem is, it would be unwise to be a female and offend the gold owner.越南小清新剧《课后约会吗》算了，还是慢慢找吧，总会有适合的。