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我不离开这儿，你自然也在这儿。2, is to use a proxy class to call the original method, and control the results. This method is the proxy mode.青年才俊刑司羽为了帮助画家妻子叶青青寻找新油画灵感，受好友秦云之邀前往一所乡下别墅。青山绿水，叠层别墅，三人潇洒惬意的风光很快被一系列灵异事件打破。Adapter mode, bridging mode, decoration mode, combination mode, meta-sharing mode, agent mode, appearance mode《周刊女性》杂志爆料，朝日电视台将翻拍韩剧《梨泰院Class》，将于明年的夏季档播出。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.说吧。