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我想问问QSerialPort中的setBaudrate（）中的参数应该是可以写115200以上的数吧？欢迎Qt大神们来帮我解答，感激不尽。
试试不就知道了？不过你得有支持115200以上波特率的硬件才行，普通台式机最高也就115200了
