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Code 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.同学、供餐、社团活动…2009.8-20世纪少年：第三部 我们的旗帜领头的年轻听到不禁眉头一皱，说道：老九，迅速带人前去追赶。时装表演踏入尾声，观众掌声雷动，著名时装设计师尤力(谢君豪)出场，带着自己的灵感女神兼女友，著名模特儿潘宝玲(吴美珩)向观众鞠躬致谢。华丽缤纷的天桥加上聚光灯的焦点，令时装界悦目得叫人神往。六月，《倚天屠龙记之魔教教主》开始上映，虽然电影中张无忌的性格有了很大的改变，引来很多争议，但是电影票房并没有受到影响，从上映的第一天，票房就一直大爆。