使用zxing生成二维码不带logo

<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>core</artifactId>
    <version>3.3.0</version>
</dependency>

// 图片宽度的一半
private static final int width = 500;
private static final int height = 500;
private static final int BLACK = 0xFF000000;
private static final int WHITE = 0xFFFFFFFF;
//生成二维码存放路径
private static final String destImagePath="d:\\qrcode.jpg";
//扫描二维码跳转页面
private static final String content="http://www.baidu.com";

// 二维码写码器
private static MultiFormatWriter multiWriter = new MultiFormatWriter();

/**
 * 生成二维码
 *
 * @param content       要生成二维码的内容
 * @param width         二维码的宽度
 * @param height        二维码的高
 * @param destImagePath 生成二维码图片的路径
 * @return 是否生成成功
 */
public static boolean encode(String content, int width, int height, String destImagePath) {
    try {
        long startTime = System.currentTimeMillis();
        File destImagePaths = new File(destImagePath);
        //生成二维码图片文件（不带LOGO）
        ImageIO.write(genQrcode(content, width, height), "jpg",destImagePaths );
        System.out.println("生成成功！");
        System.out.println("耗时: " + (System.currentTimeMillis()-startTime)/1000.0 + "s");
        System.out.println("生成文件路径: " + destImagePaths.getAbsolutePath());
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

/**
 * 生成二维码图片文件（不带LOGO）
 *
 * @param content 要生成二维码的内容
 * @param width   二维码的高度
 * @param height  二维码的宽度
 * @return 二维码图片
 * @throws WriterException 异常
 */
private static BufferedImage genQrcode(String content, int width, int height) throws WriterException {
    Map<EncodeHintType, String> hints = new HashMap<>();
    hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");

    //根据高度和宽度生成像素矩阵
    BitMatrix bitMatrix = multiWriter.encode(content, BarcodeFormat.QR_CODE, width, height, hints);

    BufferedImage image = new BufferedImage(bitMatrix.getWidth(), bitMatrix.getHeight(), BufferedImage.TYPE_INT_RGB);
    for (int x = 0; x < bitMatrix.getWidth(); x++) {
        for (int y = 0; y < bitMatrix.getHeight(); y++) {
            //填充黑白两色
            image.setRGB(x, y, bitMatrix.get(x, y) ? BLACK : WHITE);
        }
    }
    return image;
}

public static void main(String[] args) {
    // 依次为内容,宽,长,储存路径
    QrcodeUtil.encode(content, width, height, destImagePath);
}