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扫描枪是usb-hid的形式,是一个keyboard的设备,使用C++和QT编程,不用QT的键盘event,怎样读取条码数据?libusb?一般进销存的软件是如何读取条码的信息的?
ringa_lee2017-04-17 11:13:26
Make an input input box, set it as focus and hide it, and bind an event listener for data input