| | |
| | | import com.google.zxing.WriterException; |
| | | import com.google.zxing.common.BitMatrix; |
| | | import com.google.zxing.qrcode.QRCodeWriter; |
| | | import com.ruoyi.system.api.util.HuaWeiOBSUtil; |
| | | import java.io.ByteArrayInputStream; |
| | | import java.io.ByteArrayOutputStream; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.util.Base64; |
| | | import java.util.HashMap; |
| | | |
| | |
| | | String text = encoder.encodeToString(outputStream.toByteArray()); |
| | | return base64Url + text; |
| | | } |
| | | |
| | | /** |
| | | * 创建二维码 |
| | | * |
| | | * @param |
| | | * @param |
| | | * @return |
| | | * @throws IOException |
| | | * @throws WriterException |
| | | */ |
| | | public static String createQRCodeToObs(String json) throws IOException, WriterException { |
| | | QRCodeWriter qrCodeWriter = new QRCodeWriter(); |
| | | |
| | | HashMap<EncodeHintType, Object> hints = new HashMap<>(); |
| | | hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); |
| | | BitMatrix bitMatrix = qrCodeWriter.encode(json, BarcodeFormat.QR_CODE, 600, 600, hints); |
| | | ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| | | MatrixToImageWriter.writeToStream(bitMatrix, "PNG", outputStream); |
| | | InputStream is = new ByteArrayInputStream( |
| | | outputStream.toByteArray()); |
| | | return HuaWeiOBSUtil.obsUploadStream(json, is); |
| | | } |
| | | |
| | | public static void main(String[] args) throws IOException, WriterException { |
| | | String qrCodeToObs = createQRCodeToObs("123456"); |
| | | System.out.println(qrCodeToObs); |
| | | } |
| | | } |