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"2013年8月14日上午，由北京美洋洋国际传媒有限公司和北京中视美亚国际广告有限公司联合摄制的儿童励志电影《一路芬芳》在日照市举行了隆重的开机仪式。主演侯耀华、徐德亮、钉铛，出品人汪洋、樊亚丽等主创齐聚发布会现场。电影《一路芬芳》剧组由樊浩导演率领的一支艺术高超，技艺精湛,作风过硬优良团队制作。我们深信，在全体演职人员齐心协力下，一定会拍出一部集“思想性、教育性、观赏性”于一体的精品力作，给儿童及全国人民奉献一部感人的，具有文化教育意义的影片。"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.(three) other provisions of the medical security management.Orange 75% +50%人生就像拼圖，拚得有快有慢有煩有樂，遺憾是遺失的圖片，讓你無法視而不見空缺的位置。Originated in Europe. It was listed as the first Olympic Games in 1896.The second method: black screen recovery