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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.《解密档案》是由俞钟导演，丁海峰、徐筠等主演的28集电视连续剧。从题材上看，这是一部谍战剧，但在剧情上，它又是一部情感戏，导演俞钟评价这是一部男性观众和女性观众都适合观看的电视剧。Wang Bo explained that online marketing pays attention to "planting grass and pulling grass", storing water, and then detonating at a certain point in time, but offline consumers cannot afford to wait, nor can stores. Therefore, when resonating online and offline, activities should be increased according to offline characteristics to maintain heat.MDT meeting rooms shall have the following technical and equipment conditions (as far as possible prepared according to local conditions):If the customer asks the time question, don't blindly promise the detailed time "We will make it up for you within 12 hours. Oh, calm down, dear紧接着他又发现，当日彭蠡泽边有大批人马乘船北上，还都携带利剑兵器。