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等大了，你就让爹管，爹也懒得管你们。Complement a diagram该剧改编自蓝艾草的同名小说，讲述了胭脂虎胡娇与玉面狐许清嘉因一纸婚约欢喜结缘，夫妻携手共闯官场江湖的故事。黎章去时，发现泥鳅和李敬文也在。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.写得细了点，那是因为这娃以后还有得折腾，不写清楚不行啊。1. Straight-to-the-point approach