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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.著名企业家武蜀勤之子李波罗拒绝走子承母业的人生，多次出格反叛，母子关系几近冰点。李波罗送好兄弟潘东君报考村官之际，邂逅心仪的女孩秋云，在爱情的冲动下李波罗走上村官之路，跟主管村官招考工作的秋云打赌要做出一番事业。因其母内定的未来媳妇儿、青梅竹马的张倩倩从中作梗，李波罗和秋云的情感误会迭出，秋云死在地震中，李波罗也自此消沉。干练且个性十足的女孩赵默出现，在公推直选中脱颖而出，李波罗也在赵默睿智巧妙的连番激将下再次振作起来，和潘东君及其他村官一起，终于做出一番令其母刮目相看的事业，同时李波罗也收获了他跟赵默的爱情。5. Enter "" to enter the "test" folder.Chapter V Supervision and Administration烧粮草，不知粮草在哪。Statement: Forwarding on behalf of friends does not represent the objective point of this blog.