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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.季布？原来是一诺千金的季布。"Then when you shot these 'dogs' with guns, how many shots did you need on average to kill one?" I asked.(1) Underground operations in mines;ABC直接预订《灵书妙探 Castle》主创Andrew W. Marlowe及其妻子Terri Edda Miller开发兼执笔的新剧《卷土重来 Take Two》，并已找了Rachel Bilson及Eddie Cibrian当主演。《卷土重来》是部轻松向的程序剧，讲述女主角Ella（Rachel Bilson饰）以前是部大热警察剧的主角，但处于低迷的她为了重振演艺生涯，于是跑去找粗鲁﹑栽跟头的私家侦探Eddie（Eddie Cibrian饰），希望观摩真实案件来作为角色研究。Eddie原本很讨厌这种保姆似的工作，但Ella却用演技以及演了200集警探的经验，协助了Eddie的调查；而当新闻开始吹捧Ella成功解决一件高调大案时，Eddie发现一堆新客户来电，表示希望聘请主角二人查案。