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ReadQRCode.java

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package com.imooc.zxing;

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;

/**

* Created by yangshuangpeng on 17-1-13.

*/

public class ReadQRCode {

public static void main(String[] args)

{

MultiFormatReader formatReader = new MultiFormatReader();

File file = new File("zxing.png");

BufferedImage image = null;

try {

image = ImageIO.read(file);

} catch (IOException e) {

e.printStackTrace();

}

BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));

HashMap hints = new HashMap();

hints.put(EncodeHintType.CHARACTER_SET, "utf-8");

try {

Result result = formatReader.decode(binaryBitmap, hints);

System.out.println(result.toString());

System.out.println(result.getBarcodeFormat());

System.out.println(result.getText());

} catch (NotFoundException e) {

e.printStackTrace();

}

}

}