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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.奈生子（黑木瞳饰）是公司里的女强人，为了事业，她牺牲了很多，就连怀孕了她也打算瞒着丈夫偷偷地把孩子拿掉，可是奇怪的事情发生了……该剧根据作家Nelson Johnson的同名畅销小说改编。该片通过“吉祥宝宝”成长故事中的一个个幽默、积极向上的小片段，巧妙地把东莞800多年的饮食文化融入到动画片内，塑造了一个活泼可爱、诚实善良、诙谐幽默的“吉祥宝宝”形象。故事以一个纯真可爱的小孩子的角度，挖掘日常生活中的奇闻趣事。但是小说还是要靠内容取胜，我们出版社和几十位武侠名家有良好的合作关系，拥有海量的优质内容，绝不是武界那样新冒出来的出版社可比的。他始终不离秦淼左右。