我正在尝试生成条形码并将其保存到电子表格中

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.oned.Code128Writer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

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

public class BarcodeGenerator {
    public static void main(String[] args) {
        String barcodeData = "1234567890"; // 条形码数据
        String filePath = "barcode.png"; // 保存条形码的文件路径

        int width = 300; // 条形码宽度
        int height = 100; // 条形码高度

        // 设置条形码参数
        Map<EncodeHintType, Object> hints = new HashMap<>();
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        hints.put(EncodeHintType.MARGIN, 0);

        try {
            // 生成条形码
            Code128Writer writer = new Code128Writer();
            BitMatrix bitMatrix = writer.encode(barcodeData, BarcodeFormat.CODE_128, width, height, hints);

            // 创建BufferedImage对象并绘制条形码
            BufferedImage barcodeImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
            for (int x = 0; x < width; x++) {
                for (int y = 0; y < height; y++) {
                    barcodeImage.setRGB(x, y, bitMatrix.get(x, y) ? 0x000000 : 0xFFFFFF);
                }
            }

            // 保存条形码到文件
            File barcodeFile = new File(filePath);
            ImageIO.write(barcodeImage, "png", barcodeFile);

            System.out.println("条形码生成成功，保存路径：" + barcodeFile.getAbsolutePath());
        } catch (Exception e) {
            System.out.println("条形码生成失败：" + e.getMessage());
        }
    }
}

import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.io.FileOutputStream;
import java.io.IOException;

public class ExcelWriter {
    public static void main(String[] args) {
        String filePath = "barcode.xlsx"; // 保存电子表格的文件路径

        try (Workbook workbook = new XSSFWorkbook()) {
            Sheet sheet = workbook.createSheet("Barcodes");

            // 加载条形码图片
            Drawing<?> drawing = sheet.createDrawingPatriarch();
            ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 0, 0, 5, 5);
            Picture picture = drawing.createPicture(anchor, loadBarcodeImage(workbook, "barcode.png"));
            picture.resize();

            // 保存电子表格到文件
            FileOutputStream fileOut = new FileOutputStream(filePath);
            workbook.write(fileOut);
            fileOut.close();

            System.out.println("电子表格保存成功，保存路径：" + filePath);
        } catch (IOException e) {
            System.out.println("电子表格保存失败：" + e.getMessage());
        }
    }

    private static int loadBarcodeImage(Workbook workbook, String imagePath) throws IOException {
        byte[] imageBytes = Files.readAllBytes(Paths.get(imagePath));
        int pictureIndex = workbook.addPicture(imageBytes, Workbook.PICTURE_TYPE_PNG);
        return pictureIndex;
    }
}