Compilacion para creacion de codigos qr, con soporte para la version anterior java 6
import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
*
* @author arturo
*/
public class QrcodeGen6 {
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws WriterException, IOException {
String message = args[0];
String filename = args[1];
String size = args[2];
QRCodeWriter barcodeWriter = new QRCodeWriter();
BitMatrix bitMatrix =
barcodeWriter.encode(message, BarcodeFormat.QR_CODE, Integer.parseInt(size), Integer.parseInt(size));
ByteArrayOutputStream qrcImgByteStram = new ByteArrayOutputStream();
MatrixToImageWriter.writeToStream(bitMatrix,"JPG",qrcImgByteStram);
byte[] imgData = qrcImgByteStram.toByteArray();
File file = new File(filename);
OutputStream os = new FileOutputStream(file);
os.write(imgData);
os.close();
}
}
ejecucion:
java -jar qrcode-gen.jar "Seller Name: Najem Abdullah Abahussain Trd Est, Vat Reg No: 300042539900003, Time Stamp: 12-08-2021 8:40:55, Invoice Amount With vat :10000 SAR, Vat Amount 1500 SAR." "demo2.jpg" "200" salida:
descargar
archivo jar desde: https://github.com/atocarrunchot/QRCode-for-java-6/tree/master/dist