我正在研究Android蓝牙打印。打印机是标准的POS热敏打印机。这是我将数据发送到打印机的方式(这部分工作正常):varAdapter:JBluetoothAdapter;remoteDevice:JBluetoothDevice;Sock:JBluetoothSocket;ostream:JOutputStream;beginAdapter:=TJBluetoothAdapter.JavaClass.getDefaultAdapter;remoteDevice:=Adapter.getRemoteDevice(stringtojstring(targetMAC));Sock:=re