import java.io.File;import java.nio.file.Path;import java.util.HashMap;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;public class ZXingCreateQRCode {public static void main(String[] args) {int width=300;int height =300;String format="png";String content="www.baidu.com";//定义二维码的参数HashMap hints=new HashMap();//设置编码hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");//设置容错等级，等级越高，容量越小hints.put(EncodeHintType.ERROR_CORRECTION,ErrorCorrectionLevel.M);//设置边距hints.put(EncodeHintType.MARGIN, 2);//生成二维码try {BitMatrix bitMatrix = new MultiFormatWriter().encode(content,BarcodeFormat.QR_CODE, width, height);//设置路径 Path file = new File("E:/a.png").toPath(); MatrixToImageWriter.writeToPath(bitMatrix, format, file);//输出图像} catch ( Exception e) {e.printStackTrace();}}}import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import java.util.HashMap;import javax.imageio.ImageIO;import com.google.zxing.BinaryBitmap;import com.google.zxing.EncodeHintType;import com.google.zxing.MultiFormatReader;import com.google.zxing.Result;import com.google.zxing.client.j2se.BufferedImageLuminanceSource;import com.google.zxing.common.HybridBinarizer;public class ZXingReadQRCode {public static void main(String[] args) {try {MultiFormatReader formatReader = new MultiFormatReader();File file = new File("E:/a.png");BufferedImage image = ImageIO.read(file);BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));// 定义二维码的参数HashMap hints = new HashMap();// 设置编码hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");Result result = formatReader.decode(binaryBitmap, hints);System.out.println("解析结果：" + result.toString());System.out.println("解析结果：" + result.getBarcodeFormat());System.out.println("解析结果：" + result.getText());} catch (Exception e) {e.printStackTrace();}}}
import java.awt.Color;import java.awt.Graphics2D;import java.awt.image.BufferedImage;import java.io.File;import java.io.UnsupportedEncodingException;import javax.imageio.ImageIO;import com.sun.prism.Image;import com.swetake.util.Qrcode;public class CreateQRCode {public static void main(String[] args) throws Exception {Qrcode x = new Qrcode();x.setQrcodeErrorCorrect('M');// 纠错等级x.setQrcodeEncodeMode('B');// N代表数字，A代表a-z，B代表其他字符x.setQrcodeVersion(7);// 版本String qrData = "www.baidu.com";int width = 67 + 12 * (7 - 1);int height = 67 + 12 * (7 - 1);BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);Graphics2D gs = bufferedImage.createGraphics();gs.setColor(Color.BLACK);gs.setBackground(Color.WHITE);gs.clearRect(0, 0, width, height);int pixoff = 1;// 偏移量byte[] d = qrData.getBytes("gb2312");if (d.length > 0 && d.length < 120) {boolean[][] s = x.calQrcode(d);for (int i = 0; i < s.length; i++) {for (int j = 0; j < s.length; j++) {if (s[j][i]) {gs.fillRect(j * 3+ pixoff, i * 3 + pixoff, 3, 3);}}}}gs.dispose();bufferedImage.flush();ImageIO.write(bufferedImage, "png", new File("E:/b.png"));}}import java.awt.image.BufferedImage;import java.io.File;import javax.imageio.ImageIO;import jp.sourceforge.qrcode.QRCodeDecoder;public class ReadQRCode {public static void main(String[] args) throws Exception {File file = new File("E:/b.png");BufferedImage bufferedImage = ImageIO.read(file);QRCodeDecoder codeDecoder = new QRCodeDecoder();String result = new String(codeDecoder.decode(new MYQRCodeImage(bufferedImage)), "gb2312");System.out.println(result);}}
import java.awt.image.BufferedImage;
import jp.sourceforge.qrcode.data.QRCodeImage;
public class MYQRCodeImage implements QRCodeImage {
BufferedImage bufferedImage;
public MYQRCodeImage(BufferedImage bufferedImage) {
this.bufferedImage=bufferedImage;
}
@Override
public int getHeight() {
return bufferedImage.getHeight();
}
@Override
public int getPixel(int arg0, int arg1) {
return bufferedImage.getRGB(arg0, arg1);
}
@Override
public int getWidth() {
return bufferedImage.getHeight();
}
}import java.awt.image.BufferedImage;import jp.sourceforge.qrcode.data.QRCodeImage;public class MYQRCodeImage implements QRCodeImage {BufferedImage bufferedImage;public MYQRCodeImage(BufferedImage bufferedImage) {this.bufferedImage=bufferedImage;}@Overridepublic int getHeight() {return bufferedImage.getHeight();}@Overridepublic int getPixel(int arg0, int arg1) {return bufferedImage.getRGB(arg0, arg1);}@Overridepublic int getWidth() {return bufferedImage.getHeight();}}
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