zxing 生成二维码 去白色补丁
2016-05-24 15:28
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`String content = "120605181003;http://www.cnblogs.com/jtmjx";
String path = "/Users/yindingyu/xxx/";
String path = "/Users/yindingyu/xxx/";
MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
Map hints = Maps.newHashMap();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
hints.put(EncodeHintType.MARGIN, 0);//去掉白色边框
BitMatrix bitMatrix = null;
try {
bitMatrix = multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, 246, 246,hints);
} catch (WriterException e) {
e.printStackTrace();
}
Path file = Paths.get(path);
try {
MatrixToImageWriter.writeToStream(bitMatrix, qRconfig.getImageFormat(), outputStream);
} catch (IOException e) {
log.error("生成二维码时出现问题",e);
throw ExceptionUtil.getException(ResponseCode.GEN_QR_CODE_ERROR);
}`
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