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These two scripts are both used to detect the input of the user's direction keys. Execute the following to see what is the difference between them. The difference between them is that the former can respond to the input of multiple keys at the same time, such as holding down the up key and the right key at the same time, and the character can move diagonally. However, the latter belongs to the event building block of response class and can only respond to one demand at the same time and can only move in one direction.The policy pattern defines a series of algorithms and encapsulates each algorithm so that they can be replaced with each other, and the changes in the algorithms will not affect the customers who use the algorithms. It is necessary to design an interface to provide a unified method for a series of implementation classes. Multiple implementation classes implement the interface, design an abstract class (optional, belonging to auxiliary class), and provide auxiliary functions. The diagram is as follows:《寻找喜剧人》无缝接档《欢乐喜剧人》第五季，16组喜剧人将通过舞台竞演模式争夺《欢乐喜剧人》第六季认证席位。该剧讲述了“扶贫二代”濮泉生与都市女记者沙鸥在澧水市庸城县碗米溪村参与精准扶贫的过程中，挥洒青春热血，克服重重困难，带领村民脱贫致富的故事。一场来自闺蜜的算计，让她成为了他最陌生的人，为了想要忘掉夏余生她花了整整五年，但是却还是抵不过想见他的心，本打算见最后一面了却心里最初的梦想，却没想到再次卷入一场阴谋，再次面对喜欢的人厌恶的眼神，心还是会痛......原来不是爱情太苦，只是还没遇到让你甜的人。Then the curDateTime variable is used to set the time or date value of the three dates and time editors on the interface, and the time () and date () of QDateTime are used to extract the time and date respectively.