web端利用ZXing进行条形码识别

/**
 * Created by leno on 2018/2/9.
 * 条形码识别
 */
public class ZxingUtil {
    public static String decode(String imgPath) throws IOException, NotFoundException {
        BufferedImage image = null;
        Result result = null;

        image = ImageIO.read(new File(imgPath));
        if (image == null) {
            System.out.println("the decode image may be not exit.");
        }
        Map<DecodeHintType, Object> hints = new HashMap<>();
        hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

        result = new MultiFormatReader().decode(bitmap, hints);
        return result.getText();
    }
}