二维码编码代码实现类:
package zxing;
import java.io.File;
import java.util.Hashtable;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
/**
* @blog http://gaozzsoft.iteye.com
* @author gaozzsoft
*/
public class ZxingEncoderHandler {
/**
* 编码
* @param contents
* @param width
* @param height
* @param imgPath
*/
public void encode(String contents, int width, int height, String imgPath) {
Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
// 指定纠错等级
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
// 指定编码格式
hints.put(EncodeHintType.CHARACTER_SET, "GBK");
try {
BitMatrix bitMatrix = new MultiFormatWriter().encode(contents,
BarcodeFormat.QR_CODE, width, height, hints);
MatrixToImageWriter
.writeToFile(bitMatrix, "png", new File(imgPath));
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* @param args
*/
public static void main(String[] args) {
String imgPath = "e:/michael_zxing.png";
String contents = "Hello Michael(大大),welcome to Zxing!"
+ "\nMichael’s blog [ http://sjsky.iteye.com ]"
+ "\nEMail [ [email protected] ]" + "\nTwitter [ @suncto ]";
int width = 300, height = 300;
ZxingEncoderHandler handler = new ZxingEncoderHandler();
handler.encode(contents, width, height, imgPath);
System.out.println("Michael ,you have finished zxing encode.");
}
}
二维码解码代码实现类:
package zxing;
import java.awt.image.BufferedImage;
import java.io.File;
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.Result;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.HybridBinarizer;
/**
* @blog http://gaozzsoft.iteye.com
* @author gaozzsoft
*/
public class ZxingDecoderHandler {
/**
* @param imgPath
* @return String
*/
public String decode(String imgPath) {
BufferedImage image = null;
Result result = null;
try {
image = ImageIO.read(new File(imgPath));
if (image == null) {
System.out.println("the decode image may be not exit.");
}
LuminanceSource source = new BufferedImageLuminanceSource(image);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
hints.put(DecodeHintType.CHARACTER_SET, "GBK");
result = new MultiFormatReader().decode(bitmap, hints);
return result.getText();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* @param args
*/
public static void main(String[] args) {
String imgPath = "e:/michael_zxing.png";
ZxingDecoderHandler handler = new ZxingDecoderHandler();
String decodeContent = handler.decode(imgPath);
System.out.println("解码内容如下：");
System.out.println(decodeContent);
System.out.println("Michael ,you have finished zxing decode.");
}
}
条形码编码代码实现类:
package zxing;
import java.io.File;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
/**
* @blog http://gaozzsoft.iteye.com
* @author gaozzsoft
*/
public class ZxingEAN13EncoderHandler {
/**
* 编码
* @param contents
* @param width
* @param height
* @param imgPath
*/
public void encode(String contents, int width, int height, String imgPath) {
int codeWidth = 3 + // start guard
(7 * 6) + // left bars
5 + // middle guard
(7 * 6) + // right bars
3; // end guard
codeWidth = Math.max(codeWidth, width);
try {
BitMatrix bitMatrix = new MultiFormatWriter().encode(contents,
BarcodeFormat.EAN_13, codeWidth, height, null);
MatrixToImageWriter
.writeToFile(bitMatrix, "png", new File(imgPath));
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* @param args
*/
public static void main(String[] args) {
String imgPath = "e:/zxing_EAN13.png";
// 益达无糖口香糖的条形码
String contents = "6923450657713";
int width = 105, height = 50;
ZxingEAN13EncoderHandler handler = new ZxingEAN13EncoderHandler();
handler.encode(contents, width, height, imgPath);
System.out.println("Michael ,you have finished zxing EAN13 encode.");
}
}
条形码解码代码实现类:
package zxing;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.Result;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.HybridBinarizer;
/**
* @blog http://gaozzsoft.iteye.com
* @author gaozzsoft
*/
public class ZxingEAN13DecoderHandler {
/**
* @param imgPath
* @return String
*/
public String decode(String imgPath) {
BufferedImage image = null;
Result result = null;
try {
image = ImageIO.read(new File(imgPath));
if (image == null) {
System.out.println("the decode image may be not exit.");
}
LuminanceSource source = new BufferedImageLuminanceSource(image);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
result = new MultiFormatReader().decode(bitmap, null);
return result.getText();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* @param args
*/
public static void main(String[] args) {
String imgPath = "e:/zxing_EAN13.png";
ZxingEAN13DecoderHandler handler = new ZxingEAN13DecoderHandler();
String decodeContent = handler.decode(imgPath);
System.out.println("解码内容如下：");
System.out.println(decodeContent);
System.out.println("Michael ,you have finished zxing EAN-13 decode.");
}
}
Import Jars:
core.jar、javase.jar(需要下载zxing利用里边的这两个JAR足够了)