zXing的编码和解码——二维码

package com.wondersgroup.zXing;import java.io.File;import java.io.IOException;import java.util.Hashtable;import com.google.zxing.BarcodeFormat;import com.google.zxing.EncodeHintType;import com.google.zxing.MultiFormatWriter;import com.google.zxing.WriterException;import com.google.zxing.client.j2se.MatrixToImageWriter;import com.google.zxing.common.BitMatrix;/** * 编码 */public class MyTestEncode {public static void main(String[] args) throws Exception{try{String str = "CN:男；COP:公司；ZW:职务";//二维码内容String path = "K:\\二维码\\images\\TestQRCode1.png";Hashtable hints = new Hashtable();hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");BitMatrix bitMatrix;bitMatrix = new MultiFormatWriter().encode(str,BarcodeFormat.QR_CODE, 200, 200,hints);File file = new File(path);MatrixToImageWriter.writeToFile(bitMatrix,"png",file);}catch (IOException e) {e.printStackTrace();}catch(WriterException e1){e1.printStackTrace();}}}

package com.wondersgroup.zXing;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import java.util.Hashtable;import javax.imageio.ImageIO;import com.google.zxing.BinaryBitmap;import com.google.zxing.DecodeHintType;import com.google.zxing.LuminanceSource;import com.google.zxing.MultiFormatReader;import com.google.zxing.Reader;import com.google.zxing.ReaderException;import com.google.zxing.Result;import com.google.zxing.client.j2se.BufferedImageLuminanceSource;import com.google.zxing.common.HybridBinarizer;/** * 解码 * @author Tobbey * */public class MyTestDecode {public static void main(String[] args)throws ReaderException,InterruptedException{Reader reader = new MultiFormatReader();String imgPath = "K:\\二维码\\images\\TestQRCode1.png";File file = new File(imgPath);BufferedImage image;try{image = ImageIO.read(file);if(image == null){System.out.println("Could not decode image");}LuminanceSource source = new BufferedImageLuminanceSource(image);BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));Result result;Hashtable hints = new Hashtable();hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");result = new MultiFormatReader().decode(bitmap, hints);String resultStr = result.getText();System.out.println(resultStr);}catch (IOException ioe) {System.out.println(ioe.toString());}catch(ReaderException re){System.out.println(re.toString());}}}