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8060 +8060X30% +8060X15% +1000=12678In 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.She said, I hope, I hope.唯有一死，方可为夫君明志。不同于他人甘于平庸，也不像有些人天生主角命，东方不败的一切都是凭着自己双手，凭着不懈的努力夺来的。可以说东瓯和闽越两军都在原野之上，脱离了原本的地形和故土优势，现在依靠的唯有他们本身的战力。