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tangzy

2021-12-06 cc057177b2fb17aee9a173a6adbabdc578fd74c7

 src/main/java/org/springblade/common/utils/QRCodeUtil.java

@@ -221,12 +221,17 @@
    */
   public static byte[] getQRCodeImage(String text, int width, int height) throws WriterException, IOException {
      QRCodeWriter qrCodeWriter = new QRCodeWriter();
      BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height);

      HashMap<EncodeHintType, Object> hints = new HashMap<>();
      hints.put(EncodeHintType.CHARACTER_SET, "utf-8");

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

      ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream();
      MatrixToImageWriter.writeToStream(bitMatrix, "JPG", pngOutputStream);
      byte[] pngData = pngOutputStream.toByteArray();
      return pngData;
      //返回
      return pngOutputStream.toByteArray();
   }

}