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Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.(Zhang Weiguo, Vice Chairman of Hubei Provincial Committee of the Chinese People's Political Consultative Conference and Secretary of Shiyan Municipal Committee)She was in tears.I hope my answer can help you!《生活启示录》用一段失败的婚姻作为人物故事开始引入，女主角于小强（闫妮 饰）在与丈夫结束了七年之痒后，与比他小6岁的电脑工程师鲍家明（胡歌 饰）展开了一段“姐弟恋”。但在褪去激情的恋爱之后，两人必须面对一地鸡毛的琐碎生活，6岁的年龄悬殊和意外而来的孩子带来的一波三折让两个人分分合合，在经历了事业失败、情感困惑、家人离去的变故后，于小强从任性变得宽容、冲动转为理智，鲍家明也从一个青涩的大男孩成长为一个有责任有担当的新时代好男人。另一方面，马和红颜知己桑青(吴美珩)之间的距离，亦因着他要实现自己的理想而越来越大……The monthly ranking changes of the number of reflection server resources in each province and city are shown in Figure 23. As can be seen from the figure, Tibet, Hainan, Guangxi, Qinghai, Gansu, Yunnan, Shanghai and other provinces and cities are generally ranked at the bottom of the list of reflective server resources, or have not survived in the near future. Sichuan, Tianjin, Ningxia, Guizhou, Hubei, Fujian, Beijing, Xinjiang and other provinces and cities have improved their ranking of reflection server resources to a certain extent. The number of utilized resources in Shanxi, Heilongjiang, Jilin, Hebei, Shandong and other provinces and cities has improved somewhat in recent months, but it is still generally in the forefront. The ranking of reflection server resources in Liaoning, Guangdong, Jiangsu, Inner Mongolia, Henan, Zhejiang, Chongqing, Anhui, Hunan and other provinces and cities has not improved or deteriorated to some extent.