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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.改编自著名经典小说，故事描述一个小女孩，如何排除万难和种种考验，为自己争取关爱、认同和专属的一席之地。故事发生于 19世纪后期，孤女安妮（艾米贝丝·麦克纳尔蒂 Amybeth McNulty 饰）经历了在孤儿院和陌生人家中饱受虐待的童年后，意外被安排到爱德华王子岛上一对姐弟的家中生活。随著时间流逝，年仅13岁的安妮凭著她的独特魄力、智慧和丰富的想像力，为玛莉拉·卡斯柏特（杰拉丁妮·詹姆斯 Geraldine James 饰）和马修·卡斯柏特（罗伯特·H·托马斯 R.H. Thomson 饰）的生活，甚至整个小镇带来改变。安妮的经历将为自我认同、女性主义、霸凌和偏见等恒久议题带来反思。神秘机构出现在平凡的社恐女孩“池小鱼”手机APP里，下单点人设就像叫外卖一样轻松！池小鱼为了完成工作使用人设外卖，却意外向霸道总裁发起了攻势，且频频得手，引得霸总堕入情网！就在池小鱼准备告别母胎单身之时，霸总苏扬的人生赢家人设竟然崩塌了！Next, overwrite the Light class, and now instead of using a string to record the current state, use a more three-dimensional state object. Create a state object for each state class in the constructor of the Light class, so that you can clearly see how many states there are in the light. The code is as follows:　　布鲁斯·威利斯扮演Paul Kersey博士，他的太太和女儿被歹徒性侵，而爱妻更因而致死时，他的整个人生态度改变了。他开始主动出击，在暗夜的纽约街头找寻那些可能的罪犯加以制裁，而人们对这名神秘的城市英雄感到困惑：难道真要这样打击犯罪才有效吗《咕噜咕噜美人鱼》是浙江新长城动漫有限公司出品的动画电影，由杨广福执导，张美娟、赵梦娇、陈大刚等联袂配音。该片讲述了一条遭遇海怪袭击的美人鱼，凭借自身的勇敢和小伙伴们的帮助，救赎亲人、回归家园的故事。