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The difference between them is that each policy class in the policy mode is equal and parallel, and there is no connection between them. Therefore, customers must be familiar with the functions of these policy classes so that customers can actively switch algorithms at any time. However, in the state mode, the behavior corresponding to the state and the state has long been encapsulated, and the switching between states has long been stipulated to be completed. The "change of behavior" occurs within the state mode. For customers, they do not need to know these details. This is what state patterns do过了正午片刻，杨长帆正在自家门口忙活准备，一人远远走来打起了招呼。杨光结婚后就被保安队辞退了，因为小薇的出现让他和边萍产生误会，边萍的前男友陈风一直追求边萍，边萍夫妻二人误会越来越深。就在此时，夏丽带着儿子小雨从美国回到天津并开了家花店。小薇这次来天津是为了开自己的个人演唱会，她的经济人王斌一直暗恋着小薇，可小薇并不接受王斌的感情。杨光找了几份工作都不顺利，后来在夏丽的花店工作。夏丽带着小雨打算离去，在去机场的路上，小雨被车撞成重伤住院。此时，杨光在医院做护工，他护理的病人竟然是小薇的弟弟小勇。杨光为小雨输血，才发现自己原来是小雨的亲生父亲，所有的爱恨缠绵使边萍最终离开了杨光，和陈风重新走到一起，经过了爱情打击后的杨光开始了新的生活。2017-07-15 22:28:58遂转身扶住张老太太，往上房走去，张大栓跟在后面