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The following procedure is to use the state mode to improve the light. When it comes to encapsulation, the behavior of the encapsulated object is generally preferred over the state of the object. But the opposite is true in state mode, The key to the state mode is to encapsulate each state of the thing into a separate class, and the behaviors related to this state are encapsulated inside this class, so when button is pressed, only the request needs to be delegated to the current state object in the context, and the state object will be responsible for rendering its own behaviors. At the same time, the state switching rules can be distributed in the state classes in advance, thus effectively eliminating a large number of conditional branch statements that originally existed.20世纪90年代，在老北京的一片普通生活区内，住着平凡的老贾一家。一家之主傅明老人（文兴宇 饰）是参加过革命的老干部，退休之后依然官腔不减，但在商品社会抬头的今天，他的言行显得有些格格不入和可笑起来。某机关任职的长子贾志国（杨立新 饰）和在曲艺团工作的妻子和平（宋丹丹 饰）共同抚养着可爱的女儿圆圆（关凌 饰），加上不务正业的二儿子志新（梁天 饰）和时常搞出状况的小保姆（沈畅 饰），令这个人热闹的大家庭内上演着一段有一段爆笑可爱的故事。他们的喜怒哀乐平常可见，是每一个生活在这个古老大地上的国人真实的倒影……宅男程序员和鬼马少女的另类爱情故事即将上演，甜蜜和趣味双双升级Red-brown: cinnamon, firethorn (pyracantha), loquat (pipeline or Chinese plum), longan, tea …在下也会加紧管束，绝对不会再有类似的情况出现。板栗站在上房台阶前，犹豫着要不要进去，忽听有人喊这里，转头一看，西边窗户有人探头出来，正是冰儿