利用googleZxing生成二维码识别二维码

<span style="color:#FF6666;">MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
BitMatrix bitMatrix = multiFormatWriter.encode(url, BarcodeFormat.QR_CODE, 140, 140);
BufferedImage image = MatrixToImageWriter.toBufferedImage(bitMatrix);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ImageIO.write(image, "jpg", out);</span>

<span style="color:#FF6666;">String imgUrl = "*.com/a.jpg"
URL url = new URL(imgUrl);
image = ImageIO.read(url);
LuminanceSource source = new BufferedImageLuminanceSource(image);
Binarizer binarizer = new HybridBinarizer(source);
BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
MultiFormatReader uultiFormatReader = new MultiFormatReader();
Result result = uultiFormatReader.decode(binaryBitmap);
return result.getText();</span>

<span style="color:#FF0000;"><dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>2.2</version>
</dependency></span>

<span style="background-color: rgb(0, 153, 0);"><span style="font-size:24px;">javase包JDK版本1.7 如Java6项目，请将javase版本降级为2.2</span></span>

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