Java中基于maven实现zxing二维码功能

maven所需jar

  com.google.zxing
  core
  3.0.0
  
  
  com.google.zxing
  javase
  3.0.0  
  

生成二维码：

public static void main(String[] args) throws IOException {
String text="www.baidu.com";
int width=100;
int height=100;
String format="png";
Hashtable hints=new Hashtable();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
hints.put(EncodeHintType.MARGIN, 2);
try {
BitMatrix bitMatrix=new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height,hints);
 Path file=new Java.io.File("D:/new.png").toPath();
MatrixToImageWriter.writeToPath(bitMatrix, format, file);
} catch (WriterException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
解析二维码：
public static void main(String[] args) throws NotFoundException {
MultiFormatReader formatReader=new MultiFormatReader();
File file =new File("D:/new.png");
BufferedImage image=null;
try {
image = ImageIO.read(file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
BinaryBitmap binaryBitmap =new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));
Hashtable hints=new Hashtable();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
Result result=formatReader.decode(binaryBitmap,hints);
System.err.println("解析结果："+result.toString());
System.out.println(result.getBarcodeFormat());
System.out.println(result.getText());
}

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