package test;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Scanner;
import javax.imageio.ImageIO;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
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.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
public class rr {
/**
*
*/
public rr() {
// TODO Auto-generated constructor stub
}
/**
* @param args
*/
public static void main(String[] args) {
TestEnDeCode t=new TestEnDeCode();
Scanner in = new Scanner(System.in);
System.out.println("编码内容:");
String str = in.next();
// String str = "http://www.baidu.com";
String path = "D:/Qr_pics/test7.png";
t.encode(str, path);
t.decode(path);
}
/*
* 编码:
* 1 将内容转换成二维矩阵
* 2 将该二维矩阵转换成图片
* */
public void encode(String str, String path) {
try {
// String str = "http://www.baidu.com百度看看";// 二维码内容
// String path = "D:/Qr_pics/test7.png"; //二维码图片生成 路径及名称
BitMatrix byteMatrix;
byteMatrix = new MultiFormatWriter().encode(new String(str.getBytes("UTF-8"),"UTF-8"), BarcodeFormat.QR_CODE, 800, 800); //将文字转换成二维矩阵,并设置矩阵大小,这里的矩阵大小就是后面生成的图片像素大小
File file = new File(path);//新建矩阵文件
MatrixToImageWriter.writeToFile(byteMatrix, "gif", file);//将矩阵文件转换成图片文件
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 解码:
* 1 将图片反解码为二维矩阵
* 2 将该二维矩阵解码为内容
* */
public void decode(String imgPath) {
try {
Reader reader = new MultiFormatReader();
// String imgPath = "D:/Qr_pics/test7.png";//获取即将被解码图片的路径
File file = new File(imgPath);//获取该图片文件
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();//将图片反解码为二维矩阵
hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
result = new MultiFormatReader().decode(bitmap, hints);//将该二维矩阵解码成内容
String resultStr = result.getText();
System.out.println("\n解码结果:\n"+resultStr);
} catch (IOException ioe) {
System.out.println(ioe.toString());
} catch (ReaderException re) {
System.out.println(re.toString());
}
} catch (Exception ex) {
System.out.println(ex.toString());
}
}
}
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Scanner;
import javax.imageio.ImageIO;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
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.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
public class rr {
/**
*
*/
public rr() {
// TODO Auto-generated constructor stub
}
/**
* @param args
*/
public static void main(String[] args) {
TestEnDeCode t=new TestEnDeCode();
Scanner in = new Scanner(System.in);
System.out.println("编码内容:");
String str = in.next();
// String str = "http://www.baidu.com";
String path = "D:/Qr_pics/test7.png";
t.encode(str, path);
t.decode(path);
}
/*
* 编码:
* 1 将内容转换成二维矩阵
* 2 将该二维矩阵转换成图片
* */
public void encode(String str, String path) {
try {
// String str = "http://www.baidu.com百度看看";// 二维码内容
// String path = "D:/Qr_pics/test7.png"; //二维码图片生成 路径及名称
BitMatrix byteMatrix;
byteMatrix = new MultiFormatWriter().encode(new String(str.getBytes("UTF-8"),"UTF-8"), BarcodeFormat.QR_CODE, 800, 800); //将文字转换成二维矩阵,并设置矩阵大小,这里的矩阵大小就是后面生成的图片像素大小
File file = new File(path);//新建矩阵文件
MatrixToImageWriter.writeToFile(byteMatrix, "gif", file);//将矩阵文件转换成图片文件
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 解码:
* 1 将图片反解码为二维矩阵
* 2 将该二维矩阵解码为内容
* */
public void decode(String imgPath) {
try {
Reader reader = new MultiFormatReader();
// String imgPath = "D:/Qr_pics/test7.png";//获取即将被解码图片的路径
File file = new File(imgPath);//获取该图片文件
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();//将图片反解码为二维矩阵
hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
result = new MultiFormatReader().decode(bitmap, hints);//将该二维矩阵解码成内容
String resultStr = result.getText();
System.out.println("\n解码结果:\n"+resultStr);
} catch (IOException ioe) {
System.out.println(ioe.toString());
} catch (ReaderException re) {
System.out.println(re.toString());
}
} catch (Exception ex) {
System.out.println(ex.toString());
}
}
}
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