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Origi. RestoreMemento (storage.getMemento ());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.蒯彻看着韩信的表情，终于还是忍不住问道：齐王，发生何事？韩信随手将韩信递给蒯彻。恶霸奸人坚（黄子华 饰）是广州旗下街的一霸，他虽然不学无术，但仗着奸诈的脑袋，多年来聚集起一众无赖，横行旗下街。这日奸人坚打着“打败广东十虎黄麒英”的招牌招摇过市时，被初来广州的黄飞鸿（林嘉华 饰）见到，为了帮父亲出口气，飞鸿教训了奸人坚一顿，令奸人坚好不丢脸。随后，奸人坚为了争回一口气，偷走了飞鸿父亲黄麒英的神位，并在再次挑战飞鸿时用它来作挡箭牌威胁他，终于打败了飞鸿出了一口恶气，而飞鸿则被众人认为是懦夫。//Move Forward好像稍微懂一点了。