java 生成二维码

public class CreateQRCode {
    private static final String QR_CODE_IMAGE_PATH = "C:\Users\Desktop5136.png";

    private static void generateQRCodeImage(String text, int width, int height, String filePath) throws WriterException, IOException {
        QRCodeWriter qrCodeWriter = new QRCodeWriter();

        BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height);

        Path path = FileSystems.getDefault().getPath(filePath);

        MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);

    }

    public static void main(String[] args) {
        try {
            generateQRCodeImage("This is my first QR Code", 350, 350, QR_CODE_IMAGE_PATH);
        } catch (WriterException e) {
            System.out.println("Could not generate QR Code, WriterException :: " + e.getMessage());
        } catch (IOException e) {
            System.out.println("Could not generate QR Code, IOException :: " + e.getMessage());
        }

    }

}