- package com.mohe.twocode;
- import java.awt.Color;
- import java.awt.Graphics2D;
- import java.awt.image.BufferedImage;
- import java.io.File;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStream;
- import javax.imageio.ImageIO;
- import jp.sourceforge.qrcode.QRCodeDecoder;
- import jp.sourceforge.qrcode.data.QRCodeImage;
- import jp.sourceforge.qrcode.exception.DecodingFailedException;
- import com.swetake.util.Qrcode;
- public class TwoDimensionCode implements QRCodeImage {
- private BufferedImage bufImg = null;
- public TwoDimensionCode() {
- }
- public TwoDimensionCode(BufferedImage bufImg) {
- this.bufImg = bufImg;
- }
- @Override
- public int getHeight() {
- return bufImg.getHeight();
- }
- @Override
- public int getPixel(int x, int y) {
- return bufImg.getRGB(x, y);
- }
- @Override
- public int getWidth() {
- return bufImg.getWidth();
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param imgPath
- * 图片路径
- */
- public void encoderQRCode(String content, String imgPath) {
- this.encoderQRCode(content, imgPath, "png", 7);
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param output
- * 输出流
- */
- public void encoderQRCode(String content, OutputStream output) {
- this.encoderQRCode(content, output, "png", 7);
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param imgPath
- * 图片路径
- * @param imgType
- * 图片类型
- */
- public void encoderQRCode(String content, String imgPath, String imgType) {
- this.encoderQRCode(content, imgPath, imgType, 7);
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param output
- * 输出流
- * @param imgType
- * 图片类型
- */
- public void encoderQRCode(String content, OutputStream output, String imgType) {
- this.encoderQRCode(content, output, imgType, 7);
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param imgPath
- * 图片路径
- * @param imgType
- * 图片类型
- * @param size
- * 二维码尺寸
- */
- public void encoderQRCode(String content, String imgPath, String imgType, int size) {
- try {
- BufferedImage bufImg = this.qRCodeCommon(content, imgType, size);
- File imgFile = new File(imgPath);
- if (!imgFile.exists()) {
- imgFile.mkdirs();
- }
- // 生成二维码QRCode图片
- ImageIO.write(bufImg, imgType, imgFile);
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- /**
- * 生成二维码(QRCode)图片
- *
- * @param content
- * 存储内容
- * @param output
- * 输出流
- * @param imgType
- * 图片类型
- * @param size
- * 二维码尺寸
- */
- public void encoderQRCode(String content, OutputStream output, String imgType, int size) {
- try {
- BufferedImage bufImg = this.qRCodeCommon(content, imgType, size);
- // 生成二维码QRCode图片
- ImageIO.write(bufImg, imgType, output);
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- /**
- * 生成二维码(QRCode)图片的公共方法
- *
- * @param content
- * 存储内容
- * @param imgType
- * 图片类型
- * @param size
- * 二维码尺寸
- * @return
- */
- private BufferedImage qRCodeCommon(String content, String imgType, int size) {
- BufferedImage bufImg = null;
- try {
- Qrcode qrcodeHandler = new Qrcode();
- // 设置二维码排错率,可选L(7%)、M(15%)、Q(25%)、H(30%),排错率越高可存储的信息越少,但对二维码清晰度的要求越小
- qrcodeHandler.setQrcodeErrorCorrect('M');
- qrcodeHandler.setQrcodeEncodeMode('B');
- // 设置设置二维码尺寸,取值范围1-40,值越大尺寸越大,可存储的信息越大
- qrcodeHandler.setQrcodeVersion(size);
- // 获得内容的字节数组,设置编码格式
- byte[] contentBytes = content.getBytes("utf-8");
- // 图片尺寸
- int imgSize = 67 + 12 * (size - 1);
- bufImg = new BufferedImage(imgSize, imgSize, BufferedImage.TYPE_INT_RGB);
- Graphics2D gs = bufImg.createGraphics();
- // 设置背景颜色
- gs.setBackground(Color.WHITE);
- gs.clearRect(0, 0, imgSize, imgSize);
- // 设定图像颜色> BLACK
- gs.setColor(Color.BLACK);
- // 设置偏移量,不设置可能导致解析出错
- int pixoff = 2;
- // 输出内容> 二维码
- if (contentBytes.length > 0 && contentBytes.length < 800) {
- boolean[][] codeOut = qrcodeHandler.calQrcode(contentBytes);
- for (int i = 0; i < codeOut.length; i++) {
- for (int j = 0; j < codeOut.length; j++) {
- if (codeOut[j][i]) {
- gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3);
- }
- }
- }
- } else {
- throw new Exception("QRCode content bytes length = " + contentBytes.length + " not in [0, 800].");
- }
- gs.dispose();
- bufImg.flush();
- } catch (Exception e) {
- e.printStackTrace();
- }
- return bufImg;
- }
- /**
- * 解析二维码(QRCode)
- *
- * @param imgPath
- * 图片路径
- * @return
- */
- public String decoderQRCode(String imgPath) {
- // QRCode 二维码图片的文件
- File imageFile = new File(imgPath);
- BufferedImage bufImg = null;
- String content = null;
- try {
- bufImg = ImageIO.read(imageFile);
- QRCodeDecoder decoder = new QRCodeDecoder();
- content = new String(decoder.decode(new TwoDimensionCode(bufImg)), "utf-8");
- } catch (IOException e) {
- System.out.println("Error: " + e.getMessage());
- e.printStackTrace();
- } catch (DecodingFailedException dfe) {
- System.out.println("Error: " + dfe.getMessage());
- dfe.printStackTrace();
- }
- return content;
- }
- /**
- * 解析二维码(QRCode)
- *
- * @param input
- * 输入流
- * @return
- */
- public String decoderQRCode(InputStream input) {
- BufferedImage bufImg = null;
- String content = null;
- try {
- bufImg = ImageIO.read(input);
- QRCodeDecoder decoder = new QRCodeDecoder();
- content = new String(decoder.decode(new TwoDimensionCode(bufImg)), "utf-8");
- } catch (IOException e) {
- System.out.println("Error: " + e.getMessage());
- e.printStackTrace();
- } catch (DecodingFailedException dfe) {
- System.out.println("Error: " + dfe.getMessage());
- dfe.printStackTrace();
- }
- return content;
- }
- /**
- * 生成二维码
- *
- * @param filePath
- * @return
- */
- public static void encoder(String filePath, String deskCode) {
- String imgPath = filePath + deskCode + ".png";
- TwoDimensionCode handler = new TwoDimensionCode();
- handler.encoderQRCode(deskCode, imgPath, "png");
- }
- /**
- * 解析二维码
- *
- * @param filePath
- * @return
- */
- public static String decoder(String filePath, int deskType, String deskCode) {
- String imgPath = filePath + deskCode + ".png";
- TwoDimensionCode handler = new TwoDimensionCode();
- return handler.decoderQRCode(imgPath);
- }
- /**
- * 生成中间带LOG二维码(QRCode)图片
- *
- * @param content
- * 二维码图片的内容
- * @param imgPath
- * 生成二维码图片完整的路径
- * @param ccbpath
- * 二维码图片中间的logo路径
- */
- public static int createQRCode(String content, String imgPath, String ccbPath) {
- try {
- Qrcode qrcodeHandler = new Qrcode();
- qrcodeHandler.setQrcodeErrorCorrect('M');
- qrcodeHandler.setQrcodeEncodeMode('B');
- qrcodeHandler.setQrcodeVersion(7);
- // System.out.println(content);
- byte[] contentBytes = content.getBytes("utf-8");
- BufferedImage bufImg = new BufferedImage(140, 140, BufferedImage.TYPE_INT_RGB);
- Graphics2D gs = bufImg.createGraphics();
- gs.setBackground(Color.WHITE);
- gs.clearRect(0, 0, 140, 140);
- // 设定图像颜色 > BLACK
- // gs.setColor(new Color(255, 200, 0));
- gs.setColor(Color.BLACK);
- // 设置偏移量 不设置可能导致解析出错
- int pixoff = 2;
- // 输出内容 > 二维码
- if (contentBytes.length > 0 && contentBytes.length < 120) {
- boolean[][] codeOut = qrcodeHandler.calQrcode(contentBytes);
- for (int i = 0; i < codeOut.length; i++) {
- for (int j = 0; j < codeOut.length; j++) {
- if (codeOut[j][i]) {
- gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3);
- }
- }
- }
- } else {
- System.err.println("QRCode content bytes length = " + contentBytes.length + " not in [ 0,120 ]. ");
- return -1;
- }
- // Image img = ImageIO.read(new File(ccbPath));// 实例化一个Image对象。
- // gs.drawImage(img, 47, 54, null);
- // gs.setColor(Color.BLUE);
- // gs.setFont(new Font("微软雅黑", Font.BOLD, 18));
- // gs.drawString("交享越", 50, 70);
- // gs.dispose();
- bufImg.flush();
- // 生成二维码QRCode图片
- File imgFile = new File(imgPath);
- ImageIO.write(bufImg, "png", imgFile);
- } catch (Exception e) {
- e.printStackTrace();
- return -100;
- }
- return 0;
- }
- public static void main(String[] args) {
- // String imgPath = "F:/TDDOWNLOAD/Michael_QRCode.png";
- // String encoderContent = "123131";
- // TwoDimensionCode handler = new TwoDimensionCode();
- // handler.encoderQRCode(encoderContent, imgPath, "png");
- // // try {
- // // OutputStream output = new FileOutputStream(imgPath);
- // // handler.encoderQRCode(content, output);
- // // } catch (Exception e) {
- // // e.printStackTrace();
- // // }
- // System.out.println("========encoder success");
- //
- // String decoderContent = handler.decoderQRCode(imgPath);
- // System.out.println("解析结果如下:");
- // System.out.println(decoderContent);
- // System.out.println("========decoder success!!!");
- // TwoDimensionCode
- // .createQRCode(
- // "http://jxy.misuland.com//jxy_manager//downLoadAction!downLoad.action?path=jxy_android.apk",
- // "F://jxy_android.png",
- // "C:\\Documents and Settings\\Administrator\\My Documents\\My Pictures\\image\\white.jpg");
- TwoDimensionCode.createQRCode("http://localhost:8080//jxy_manager//downLoadAction!downLoad.action?path=jxy_android.apk", "F://jxy_android.png", "C:\\Documents and Settings\\Administrator\\My Documents\\My Pictures\\image\\white.jpg");
- TwoDimensionCode.createQRCode("http://localhost:8080//jxy_manager//downLoadAction!downLoad.action?path=jxy_ios.apk", "F://jxy_ios.png", "C:\\Documents and Settings\\Administrator\\My Documents\\My Pictures\\image\\white.jpg");
- }
- }
- 所需jar包可以在这个地址下载http://download.csdn.net/detail/daixinmei/5974269
来源: http://www.phpxs.com/code/1001747/