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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.有村架纯将主演人气漫画《前科者》改编的同名电影和日剧，导演是2018年凭借《啊，荒野》获得众多奖项的岸善幸。Netflix拿下YA漫画小说《心跳停止 Heartstopper》改编的半小时剧集，共8集。这如意楼坐落在长安大街和皇城南大道交界处，去的人非富即贵，朝廷官员不在少数。一波爆笑声刚止，另一波随起。离开数年，不知道她还好吗？韩信想要伸手敲门，给她一个惊喜，可是触手的时候才发现柴扉虚掩。