-
package com.util.cccm;
-
-
import java.awt.BasicStroke;
-
import java.awt.Graphics;
-
import java.awt.Graphics2D;
-
import java.awt.Image;
-
import java.awt.Shape;
-
import java.awt.geom.RoundRectangle2D;
-
import java.awt.image.BufferedImage;
-
import java.io.File;
-
import java.io.OutputStream;
-
import java.util.Hashtable;
-
import java.util.Random;
-
-
import javax.imageio.ImageIO;
-
-
import com.google.zxing.BarcodeFormat;
-
import com.google.zxing.BinaryBitmap;
-
import com.google.zxing.DecodeHintType;
-
import com.google.zxing.EncodeHintType;
-
import com.google.zxing.MultiFormatReader;
-
import com.google.zxing.MultiFormatWriter;
-
import com.google.zxing.Result;
-
import com.google.zxing.common.BitMatrix;
-
import com.google.zxing.common.HybridBinarizer;
-
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
-
-
/**
-
* 二维码工具类
-
*
-
*/
-
public class QRCodeUtil {
-
- private static final String CHARSET = "utf-8";
- private static final String FORMAT_NAME = "JPG";
- // 二维码尺寸
- private static final int QRCODE_SIZE = 300;
- // LOGO宽度
- private static final int WIDTH = 60;
- // LOGO高度
- private static final int HEIGHT = 60;
-
- private static BufferedImage createImage(String content, String imgPath,
- boolean needCompress) throws Exception {
- Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
- hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
- hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
- hints.put(EncodeHintType.MARGIN, 1);
- BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
- BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints);
- int width = bitMatrix.getWidth();
- int height = bitMatrix.getHeight();
- BufferedImage image = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- for (int x = 0; x < width; x++) {
- for (int y = 0; y < height; y++) {
- image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000
- : 0xFFFFFFFF);
- }
- }
- if (imgPath == null || "".equals(imgPath)) {
- return image;
- }
- // 插入图片
- QRCodeUtil.insertImage(image, imgPath, needCompress);
- return image;
- }
-
- /**
-
* 插入LOGO
-
*
-
* @param source
-
* 二维码图片
-
* @param imgPath
-
* LOGO图片地址
-
* @param needCompress
-
* 是否压缩
-
* @throws Exception
-
*/
- private static void insertImage(BufferedImage source, String imgPath,
- boolean needCompress) throws Exception {
- File file = new File(imgPath);
- if (!file.exists()) {
- System.err.println(""+imgPath+" 该文件不存在!");
- return;
- }
- Image src = ImageIO.read(new File(imgPath));
- int width = src.getWidth(null);
- int height = src.getHeight(null);
- if (needCompress) { // 压缩LOGO
- if (width > WIDTH) {
- width = WIDTH;
- }
- if (height > HEIGHT) {
- height = HEIGHT;
- }
- Image image = src.getScaledInstance(width, height,
- Image.SCALE_SMOOTH);
- BufferedImage tag = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics g = tag.getGraphics();
- g.drawImage(image, 0, 0, null); // 绘制缩小后的图
- g.dispose();
- src = image;
- }
- // 插入LOGO
- Graphics2D graph = source.createGraphics();
- int x = (QRCODE_SIZE - width) / 2;
- int y = (QRCODE_SIZE - height) / 2;
- graph.drawImage(src, x, y, width, height, null);
- Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
- graph.setStroke(new BasicStroke(3f));
- graph.draw(shape);
- graph.dispose();
- }
-
- /**
-
* 生成二维码(内嵌LOGO)
-
*
-
* @param content
-
* 内容
-
* @param imgPath
-
* LOGO地址
-
* @param destPath
-
* 存放目录
-
* @param needCompress
-
* 是否压缩LOGO
-
* @throws Exception
-
*/
- public static void encode(String content, String imgPath, String destPath,
- boolean needCompress) throws Exception {
- BufferedImage image = QRCodeUtil.createImage(content, imgPath,
- needCompress);
- mkdirs(destPath);
- String file = new Random().nextInt(99999999)+".jpg";
- ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+file));
- }
-
- /**
-
* 当文件夹不存在时,mkdirs会自动创建多层目录,区别于mkdir.(mkdir如果父目录不存在则会抛出异常)
-
* @author lanyuan
-
* Email: mmm333zzz520@163.com
-
* @date 2013-12-11 上午10:16:36
-
* @param destPath 存放目录
-
*/
- public static void mkdirs(String destPath) {
- File file =new File(destPath);
- //当文件夹不存在时,mkdirs会自动创建多层目录,区别于mkdir.(mkdir如果父目录不存在则会抛出异常)
- if (!file.exists() && !file.isDirectory()) {
- file.mkdirs();
- }
- }
-
- /**
-
* 生成二维码(内嵌LOGO)
-
*
-
* @param content
-
* 内容
-
* @param imgPath
-
* LOGO地址
-
* @param destPath
-
* 存储地址
-
* @throws Exception
-
*/
- public static void encode(String content, String imgPath, String destPath)
- throws Exception {
- QRCodeUtil.encode(content, imgPath, destPath, false);
- }
-
- /**
-
* 生成二维码
-
*
-
* @param content
-
* 内容
-
* @param destPath
-
* 存储地址
-
* @param needCompress
-
* 是否压缩LOGO
-
* @throws Exception
-
*/
- public static void encode(String content, String destPath,
- boolean needCompress) throws Exception {
- QRCodeUtil.encode(content, null, destPath, needCompress);
- }
-
- /**
-
* 生成二维码
-
*
-
* @param content
-
* 内容
-
* @param destPath
-
* 存储地址
-
* @throws Exception
-
*/
- public static void encode(String content, String destPath) throws Exception {
- QRCodeUtil.encode(content, null, destPath, false);
- }
-
- /**
-
* 生成二维码(内嵌LOGO)
-
*
-
* @param content
-
* 内容
-
* @param imgPath
-
* LOGO地址
-
* @param output
-
* 输出流
-
* @param needCompress
-
* 是否压缩LOGO
-
* @throws Exception
-
*/
- public static void encode(String content, String imgPath,
- OutputStream output, boolean needCompress) throws Exception {
- BufferedImage image = QRCodeUtil.createImage(content, imgPath,
- needCompress);
- ImageIO.write(image, FORMAT_NAME, output);
- }
-
- /**
-
* 生成二维码
-
*
-
* @param content
-
* 内容
-
* @param output
-
* 输出流
-
* @throws Exception
-
*/
- public static void encode(String content, OutputStream output)
- throws Exception {
- QRCodeUtil.encode(content, null, output, false);
- }
-
- /**
-
* 解析二维码
-
*
-
* @param file
-
* 二维码图片
-
* @return
-
* @throws Exception
-
*/
- public static String decode(File file) throws Exception {
- BufferedImage image;
- image = ImageIO.read(file);
- if (image == null) {
- return null;
- }
- BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(
- image);
- BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
- Result result;
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
- hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
- result = new MultiFormatReader().decode(bitmap, hints);
- String resultStr = result.getText();
- return resultStr;
- }
-
- /**
-
* 解析二维码
-
*
-
* @param path
-
* 二维码图片地址
-
* @return
-
* @throws Exception
-
*/
- public static String decode(String path) throws Exception {
- return QRCodeUtil.decode(new File(path));
- }
-
- public static void main(String[] args) throws Exception {
- String text = "薯 灯可分列式本上楞珂要瓜熟蒂落!000000000000000";
- QRCodeUtil.encode(text, "c:/df.jsp", "c:/a/", true);
- }
- }
package com.util.cccm;
import java.awt.BasicStroke;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Shape;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.OutputStream;
import java.util.Hashtable;
import java.util.Random;
import javax.imageio.ImageIO;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.Result;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
/**
* 二维码工具类
*
*/
public class QRCodeUtil {
private static final String CHARSET = "utf-8";
private static final String FORMAT_NAME = "JPG";
// 二维码尺寸
private static final int QRCODE_SIZE = 300;
// LOGO宽度
private static final int WIDTH = 60;
// LOGO高度
private static final int HEIGHT = 60;
private static BufferedImage createImage(String content, String imgPath,
boolean needCompress) throws Exception {
Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
hints.put(EncodeHintType.MARGIN, 1);
BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints);
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
BufferedImage image = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000
: 0xFFFFFFFF);
}
}
if (imgPath == null || "".equals(imgPath)) {
return image;
}
// 插入图片
QRCodeUtil.insertImage(image, imgPath, needCompress);
return image;
}
/**
* 插入LOGO
*
* @param source
* 二维码图片
* @param imgPath
* LOGO图片地址
* @param needCompress
* 是否压缩
* @throws Exception
*/
private static void insertImage(BufferedImage source, String imgPath,
boolean needCompress) throws Exception {
File file = new File(imgPath);
if (!file.exists()) {
System.err.println(""+imgPath+" 该文件不存在!");
return;
}
Image src = ImageIO.read(new File(imgPath));
int width = src.getWidth(null);
int height = src.getHeight(null);
if (needCompress) { // 压缩LOGO
if (width > WIDTH) {
width = WIDTH;
}
if (height > HEIGHT) {
height = HEIGHT;
}
Image image = src.getScaledInstance(width, height,
Image.SCALE_SMOOTH);
BufferedImage tag = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
Graphics g = tag.getGraphics();
g.drawImage(image, 0, 0, null); // 绘制缩小后的图
g.dispose();
src = image;
}
// 插入LOGO
Graphics2D graph = source.createGraphics();
int x = (QRCODE_SIZE - width) / 2;
int y = (QRCODE_SIZE - height) / 2;
graph.drawImage(src, x, y, width, height, null);
Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
graph.setStroke(new BasicStroke(3f));
graph.draw(shape);
graph.dispose();
}
/**
* 生成二维码(内嵌LOGO)
*
* @param content
* 内容
* @param imgPath
* LOGO地址
* @param destPath
* 存放目录
* @param needCompress
* 是否压缩LOGO
* @throws Exception
*/
public static void encode(String content, String imgPath, String destPath,
boolean needCompress) throws Exception {
BufferedImage image = QRCodeUtil.createImage(content, imgPath,
needCompress);
mkdirs(destPath);
String file = new Random().nextInt(99999999)+".jpg";
ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+file));
}
/**
* 当文件夹不存在时,mkdirs会自动创建多层目录,区别于mkdir.(mkdir如果父目录不存在则会抛出异常)
* @author lanyuan
* Email: mmm333zzz520@163.com
* @date 2013-12-11 上午10:16:36
* @param destPath 存放目录
*/
public static void mkdirs(String destPath) {
File file =new File(destPath);
//当文件夹不存在时,mkdirs会自动创建多层目录,区别于mkdir.(mkdir如果父目录不存在则会抛出异常)
if (!file.exists() && !file.isDirectory()) {
file.mkdirs();
}
}
/**
* 生成二维码(内嵌LOGO)
*
* @param content
* 内容
* @param imgPath
* LOGO地址
* @param destPath
* 存储地址
* @throws Exception
*/
public static void encode(String content, String imgPath, String destPath)
throws Exception {
QRCodeUtil.encode(content, imgPath, destPath, false);
}
/**
* 生成二维码
*
* @param content
* 内容
* @param destPath
* 存储地址
* @param needCompress
* 是否压缩LOGO
* @throws Exception
*/
public static void encode(String content, String destPath,
boolean needCompress) throws Exception {
QRCodeUtil.encode(content, null, destPath, needCompress);
}
/**
* 生成二维码
*
* @param content
* 内容
* @param destPath
* 存储地址
* @throws Exception
*/
public static void encode(String content, String destPath) throws Exception {
QRCodeUtil.encode(content, null, destPath, false);
}
/**
* 生成二维码(内嵌LOGO)
*
* @param content
* 内容
* @param imgPath
* LOGO地址
* @param output
* 输出流
* @param needCompress
* 是否压缩LOGO
* @throws Exception
*/
public static void encode(String content, String imgPath,
OutputStream output, boolean needCompress) throws Exception {
BufferedImage image = QRCodeUtil.createImage(content, imgPath,
needCompress);
ImageIO.write(image, FORMAT_NAME, output);
}
/**
* 生成二维码
*
* @param content
* 内容
* @param output
* 输出流
* @throws Exception
*/
public static void encode(String content, OutputStream output)
throws Exception {
QRCodeUtil.encode(content, null, output, false);
}
/**
* 解析二维码
*
* @param file
* 二维码图片
* @return
* @throws Exception
*/
public static String decode(File file) throws Exception {
BufferedImage image;
image = ImageIO.read(file);
if (image == null) {
return null;
}
BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(
image);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
Result result;
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
result = new MultiFormatReader().decode(bitmap, hints);
String resultStr = result.getText();
return resultStr;
}
/**
* 解析二维码
*
* @param path
* 二维码图片地址
* @return
* @throws Exception
*/
public static String decode(String path) throws Exception {
return QRCodeUtil.decode(new File(path));
}
public static void main(String[] args) throws Exception {
String text = "薯 灯可分列式本上楞珂要瓜熟蒂落!000000000000000";
QRCodeUtil.encode(text, "c:/df.jsp", "c:/a/", true);
}
}
package com.util.cccm;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import com.google.zxing.LuminanceSource;
public class BufferedImageLuminanceSource extends LuminanceSource {
private final BufferedImage image;
private final int left;
private final int top;
public BufferedImageLuminanceSource(BufferedImage image) {
this(image, 0, 0, image.getWidth(), image.getHeight());
}
public BufferedImageLuminanceSource(BufferedImage image, int left,
int top, int width, int height) {
super(width, height);
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
if (left + width > sourceWidth || top + height > sourceHeight) {
throw new IllegalArgumentException(
"Crop rectangle does not fit within image data.");
}
for (int y = top; y < top + height; y++) {
for (int x = left; x < left + width; x++) {
if ((image.getRGB(x, y) & 0xFF000000) == 0) {
image.setRGB(x, y, 0xFFFFFFFF); // = white
}
}
}
this.image = new BufferedImage(sourceWidth, sourceHeight,
BufferedImage.TYPE_BYTE_GRAY);
this.image.getGraphics().drawImage(image, 0, 0, null);
this.left = left;
this.top = top;
}
public byte[] getRow(int y, byte[] row) {
if (y < 0 || y >= getHeight()) {
throw new IllegalArgumentException(
"Requested row is outside the image: " + y);
}
int width = getWidth();
if (row == null || row.length < width) {
row = new byte[width];
}
image.getRaster().getDataElements(left, top + y, width, 1, row);
return row;
}
public byte[] getMatrix() {
int width = getWidth();
int height = getHeight();
int area = width * height;
byte[] matrix = new byte[area];
image.getRaster().getDataElements(left, top, width, height, matrix);
return matrix;
}
public boolean isCropSupported() {
return true;
}
public LuminanceSource crop(int left, int top, int width, int height) {
return new BufferedImageLuminanceSource(image, this.left + left,
this.top + top, width, height);
}
public boolean isRotateSupported() {
return true;
}
public LuminanceSource rotateCounterClockwise() {
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0,
0.0, 0.0, sourceWidth);
BufferedImage rotatedImage = new BufferedImage(sourceHeight,
sourceWidth, BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g = rotatedImage.createGraphics();
g.drawImage(image, transform, null);
g.dispose();
int width = getWidth();
return new BufferedImageLuminanceSource(rotatedImage, top,
sourceWidth - (left + width), getHeight(), width);
}
}
package com.util.cccm;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import com.google.zxing.LuminanceSource;
public class BufferedImageLuminanceSource extends LuminanceSource {
private final BufferedImage image;
private final int left;
private final int top;
public BufferedImageLuminanceSource(BufferedImage image) {
this(image, 0, 0, image.getWidth(), image.getHeight());
}
public BufferedImageLuminanceSource(BufferedImage image, int left,
int top, int width, int height) {
super(width, height);
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
if (left + width > sourceWidth || top + height > sourceHeight) {
throw new IllegalArgumentException(
"Crop rectangle does not fit within image data.");
}
for (int y = top; y < top + height; y++) {
for (int x = left; x < left + width; x++) {
if ((image.getRGB(x, y) & 0xFF000000) == 0) {
image.setRGB(x, y, 0xFFFFFFFF); // = white
}
}
}
this.image = new BufferedImage(sourceWidth, sourceHeight,
BufferedImage.TYPE_BYTE_GRAY);
this.image.getGraphics().drawImage(image, 0, 0, null);
this.left = left;
this.top = top;
}
public byte[] getRow(int y, byte[] row) {
if (y < 0 || y >= getHeight()) {
throw new IllegalArgumentException(
"Requested row is outside the image: " + y);
}
int width = getWidth();
if (row == null || row.length < width) {
row = new byte[width];
}
image.getRaster().getDataElements(left, top + y, width, 1, row);
return row;
}
public byte[] getMatrix() {
int width = getWidth();
int height = getHeight();
int area = width * height;
byte[] matrix = new byte[area];
image.getRaster().getDataElements(left, top, width, height, matrix);
return matrix;
}
public boolean isCropSupported() {
return true;
}
public LuminanceSource crop(int left, int top, int width, int height) {
return new BufferedImageLuminanceSource(image, this.left + left,
this.top + top, width, height);
}
public boolean isRotateSupported() {
return true;
}
public LuminanceSource rotateCounterClockwise() {
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0,
0.0, 0.0, sourceWidth);
BufferedImage rotatedImage = new BufferedImage(sourceHeight,
sourceWidth, BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g = rotatedImage.createGraphics();
g.drawImage(image, transform, null);
g.dispose();
int width = getWidth();
return new BufferedImageLuminanceSource(rotatedImage, top,
sourceWidth - (left + width), getHeight(), width);
}
}
源码和包下载:http://download.csdn.net/detail/mmm333zzz/6695793
原文地址:
http://blog.csdn.net/mmm333zzz/article/details/17259513