如何从Java在斑马卡打印机上打印图像

import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class PrintImageExample {
    public static void main(String[] args) {
        // 获取斑马卡打印机
        PrintService printService = getZebraPrinter();

        if (printService != null) {
            // 加载要打印的图像文件
            BufferedImage image = loadImage("path/to/image.jpg");

            if (image != null) {
                try {
                    // 创建打印任务
                    DocPrintJob printJob = printService.createPrintJob();

                    // 创建Printable对象
                    Printable printable = new ImagePrintable(image);

                    // 创建打印参数
                    PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();
                    attributes.add(MediaSizeName.ISO_A4);

                    // 执行打印
                    printJob.print(printable, attributes);
                } catch (PrintException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    // 获取斑马卡打印机
    private static PrintService getZebraPrinter() {
        // 获取所有可用的打印机
        PrintService[] printServices = PrintServiceLookup.lookupPrintServices(null, null);

        // 遍历打印机列表，找到斑马卡打印机
        for (PrintService printService : printServices) {
            if (printService.getName().contains("Zebra")) {
                return printService;
            }
        }

        return null;
    }

    // 加载图像文件
    private static BufferedImage loadImage(String filePath) {
        try {
            return ImageIO.read(new File(filePath));
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    // Printable对象，用于描述要打印的内容
    private static class ImagePrintable implements Printable {
        private BufferedImage image;

        public ImagePrintable(BufferedImage image) {
            this.image = image;
        }

        @Override
        public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
            if (pageIndex > 0) {
                return NO_SUCH_PAGE;
            }

            Graphics2D g2d = (Graphics2D) graphics;
            g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());

            g2d.drawImage(image, 0, 0, null);

            return PAGE_EXISTS;
        }
    }
}