xxl.mathematica.image.BarcodeRecognize Maven / Gradle / Ivy

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package xxl.mathematica.image;

import com.google.zxing.*;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.HybridBinarizer;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 条形码识别
 */
public class BarcodeRecognize {
    /**
     * 条形码识别
     *
     * @param filePath 条形码文件
     * @return
     */
    public static String barcodeRecognize(String filePath) {
        try {
            File file = new File(filePath);
            BufferedImage bufferedImage = ImageIO.read(file);
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(bufferedImage)));
            Map hints = new HashMap();
            hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
            Result result = new MultiFormatReader().decode(bitmap, hints);
            return result.getText();
        } catch (NotFoundException | IOException e) {
            return null;
        }
    }
}