生成二维码
利用zxing中jse开发包。 public static void main(String[] args) throws WriterException { String text = "hello, world !"; Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>(); hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); // hints.put(EncodeHintType.MARGIN, "5"); BitMatrix matrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, 200, 200, hints); File file = new File("qrcodeImage.png"); try { MatrixToImageWriter.writeToFile(matrix, "png", file); // MatrixToImageWriter.toBufferedImage(matrix); } catch (IOException e) { e.printStackTrace(); } } 来源: oschina 链接: