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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.　　也因IT行业缩水失去了在XX公司发展的机会。裔天决定自己创业，设计游戏软件。为了能与康平所在的XX公司合作，他打算回美国注册一个公司。原本被FOX续订了第三季的科幻喜剧《#奥维尔号# The Orville》来了变天大消息：今天主创Seth MacFarlane在SDCC上宣布，《奥维尔号》新季将改为搬到#Hulu#上播出，预定2020年下半年上线。赵文华终于露出笑容，这次例外，不要拨到绍兴府，军器的事就该在军营做。她简直要同情死了，瞧瞧这姑娘一副文弱样儿，若是上了战场，那还有命在？她也不想想，自己当初投军的时候，那模样还不如人家呢。杨长帆行在会稽街上，失去了徐文长令他落寞，这该死的套路更让他失望透顶。