public static void main(String[] args)throws WriterException, IOException {
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        Map x=new Hashtable();

          x.put(EncodeHintType.CHARACTER_SET, "utf-8");//设置字符集

        BitMatrix bitMatrix = qrCodeWriter.encode("跳转url的http://192.168.0.111:8089/gongge#/", BarcodeFormat.QR_CODE, 70, 71,x);

        File path=new File("C:/Users/dell/Desktop/1new.PNG");//设置文件路径

        MatrixToImageWriter.writeToFile(bitMatrix, "PNG", path);//使用此方法保存至文件中

    }