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4 Industrial SoftwareIn 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.Notification (Advice)将错就错。这部8集剧围绕一个风景如画的水边小镇展开,那里潜伏着非常黑暗的秘密。拜伦湾,一个看上去宛若天堂的地方,但不久前,一个女孩在这里失踪了。每集故事会从不同角色的角度讲述。Her second...该剧主要讲述了一个原本一直在混日子的中年男屌丝，在遭遇了一系列意外之后，突然面临着不曾体会的考验：作为男人对责任和承诺的坚守，以及对一家人和美幸福的维护。