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而蒸蒸日上的TIG却遇到了撤资危机，事业和爱情在一夜间仿佛都开启了终极关卡……//Delete Child NodeCode as above; Write three functions of order500, order200 and orderNormal respectively, and process their own business logic in the functions respectively. If their own functions cannot be processed, they will return the string nextSuccessor to pass it back, then encapsulate the constructor Chain, pass an object fn into it, and have their own attribute Successor. There are two methods setNextSuccessor and passRequest on the prototype. The method setNextSuccessor specifies the order of nodes in the responsibility chain, and saves the corresponding method to the attribute this.Successor, chainOrder500. SetNextSuccessor (chainOrder200); ChainOrder200. SetNextSuccessor (chainOrderNormal); Specifies the order in the chain, so this.Successor references the order200 method and the orderNormal method, so if chainOrder500.passRequest (1, true, 500) is called for the first time, the order500 method is called, output directly, and chainOrder500.passRequ is called for the second time.吴琳琳激动的都不知道该干什么了，好一会儿才反应过来，然后连忙打字道：下个月，我一定去看《唐伯虎点秋香》，带上我所有的朋友。Decorator mode is also called Wrapper mode, which can dynamically add some additional functions to an object. Decorator mode is more flexible than the way of inheriting and generating subclasses. Although decorator mode can dynamically attach responsibilities to objects, it will also cause some small objects to be generated, increasing the complexity of the system. The specific structure diagram is shown below.田遥不敢相信地质问：半个时辰？你们为什么不早些叫我？明心愣住。To be honest, after watching the scary panic, Made in China is really hanging. Please keep your eyes open and be careful.