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板栗紧张地问：你没乱说话吧？魏铁哼了一声道：属下能跟钱明一样笨吗？属下一边赔礼，一边说心急回营，玄武公还等着在下呢……说着声音低了下去，咕哝道，就是没人肯信，死活当属下是小公爷。Special thanks to Sister Jian Ping for providing us with the opportunity to experience this. After studying in these days, we have gained a lot. It is also time for us to sum up.那是很久以前的事了。那个时候，还没有冥界，天柱连接着天和大地，天空不像现在的天空，那时候的天，悬在云端里。在后世的记载中，它还有一个名字，叫做“昆仑”。人类，是神创造的，世间一切，都是神的子民。昆仑山的天女来到了人间。天女，是神的使者。然而在人类中，出现了一种疾病，那是一种令人丧失心智的疾病，那就是...Source of reference:亲们还记得那年的狼么？三更求粉红订阅。1938年，正在日军铁蹄践踏下的北平，发生了一起震撼学界的大事件。日伪当局为镇压学生运动，逮捕了学生会宣传员苏贞(殷桃饰)。暗恋苏贞的北平日清商社董事彭祖康之子彭登科(邓超饰)，不惜冒着生命危险，利用世交的关系，救出了苏贞。自此开始，彭登科和苏贞跨越一生的爱情纠葛拉开帷幕。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.