Generate bar code and QR code in Java easy tutorial | Java tutorials | Java bar code full tutorial

Publicado em: 11 Abril 2024
no canal de: Muhammad Shahzaib

ASSALAM o alaikum
zxing download link :
jar-download.com/artifacts/com.google.zxing/javase

/// copy above link and paste in your browser
Code :
/*
真主
穆罕默德真主啊，为我们的大师穆罕默德和他的家人祈祷与和平 77 85 72 65 77 77 65 68 32
83 104 97 104 122 97 105 98
*/
import java.util.UUID;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.image.BufferedImage;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;

public class BarCodegenerator {

///////////// method that generates unique id, converts it to String and returns that
public String getUniqueId(){
return UUID.randomUUID().toString();
}

////////// main method /////////////////////
public static void main(String[] args){

BarCodegenerator barCodegenerator= new BarCodegenerator();

barCodegenerator.ShowBarCode();

// String id= barCodegenerator.getUniqueId();
// System.out.println(id);
}

////////// method that displays UI and show all results ///////////////////
void ShowBarCode(){
JFrame frame= new JFrame("Bar code generator");
frame.setSize(400, 400);

String identifier= getUniqueId();

BufferedImage barcode= getBodecode(identifier);

JLabel barCodeLabel= new JLabel("code :"+ identifier);
barCodeLabel.setBounds(20, 50, 500, 30);

JLabel imageLabel = new JLabel();
imageLabel.setIcon(new ImageIcon(barcode));

frame.add(barCodeLabel);
frame.add(imageLabel);

frame.setVisible(true);
frame.setDefaultCloseOperation(1);
}

///////////// method that generates bar code form an unique identifier and returns it as Buffered Image ///////////////
public BufferedImage getBodecode(String identifier) {

String format= "CODE_128";

BarcodeFormat barcodeFormat= BarcodeFormat.valueOf(format);

MultiFormatWriter multiFormatWriter= new MultiFormatWriter();

try {
BitMatrix bitMatrix= multiFormatWriter.encode(identifier,barcodeFormat,200,100);
BufferedImage bufferedImage= MatrixToImageWriter.toBufferedImage(bitMatrix);
return bufferedImage;

} catch (WriterException e) {
e.printStackTrace();
return null;
}

}

}

//// zxing github link //////////////////////////////
github.com/zxing/zxing

//////// zxing maven link //////////////////////
repo1.maven.org/maven2/com/google/zxing/javase/3.2.0/

Credits :
1. www.labelsandlabeling.com/sites/labels/lnl/files/Books/figure_1.1_-_barcodes_-_a_pattern_of_black_and_white_lines.png
2. www.google.com/url?sa=i&url=https%3A%2F%2Fwww.labelsandlabeling.com%2Flabel-academy%2Farticle%2Fintroduction-barcodes-and-barcoding-technology&psig=AOvVaw2YRKEoLmLOwao_VEGE0hz3&ust=1711972232908000&source=images&cd=vfe&opi=89978449&ved=0CBQQjhxqFwoTCLCIiKKwuoUDFQAAAAAdAAAAABAE

For complaint/suggestions :
mshahzaib6699@gmail.com

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