linux arm 二维码识别

sudo apt-get update
sudo apt-get install openjdk-11-jdk
sudo apt-get install libopencv-dev

import com.google.zxing.*;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.HybridBinarizer;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class QRCodeReader {
    public static void main(String[] args) {
        try {
            File file = new File("path_to_your_qr_code_image.png");
            BufferedImage bufferedImage = ImageIO.read(file);
            LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

            Result result = new MultiFormatReader().decode(bitmap);
            System.out.println("二维码内容: " + result.getText());
        } catch (IOException | NotFoundException e) {
            e.printStackTrace();
        }
    }
}

java -jar /path/to/zxing.jar -jar /path/to/zxing-core.jar -jar /path/to/zxing-javase.jar --enable-cli --input-image=/path/to/your/qrcode.png