JAVA读取USB扫描枪\barcode2源码及文档.rar .................\BarcodeBuffer.java .................\BarcodeConsumer.java .................\BarcodeKeyboardListener.java .................\BarcodeProducter.java .................\BarcodeSaveService.java .................\BarcodeSaveToFile.java .................\ScanBarcodeListener.java .................\ScanBarcodeService.java JAVA读取USB扫描枪