引入jar包

zxing-2.3.0.jar、IKAnalyzer2012_u6.jar

下载地址：https://yvioo.lanzous.com/b00nlbp6h
                   密码:5jge

ZxingLogoConfig.java
import java.awt.Color;

public class ZxingLogoConfig {

    // logo默认边框颜色

    public static final Color DEFAULT_BORDERCOLOR = Color.WHITE;

    // logo默认边框宽度

    public static final int DEFAULT_BORDER = 2;

    // logo大小默认为照片的1/5

    public static final int DEFAULT_LOGOPART = 5;

    private final int border = DEFAULT_BORDER;

    private final Color borderColor;

    private final int logoPart;

    /**

     * Creates a default config with on color {@link #BLACK} and off color

     * {@link #WHITE}, generating normal black-on-white barcodes.

     */

    public ZxingLogoConfig() {

        this(DEFAULT_BORDERCOLOR, DEFAULT_LOGOPART);

    }

    public ZxingLogoConfig(Color borderColor, int logoPart) {

        this.borderColor = borderColor;

        this.logoPart = logoPart;

    }

    public Color getBorderColor() {

        return borderColor;

    }

    public int getBorder() {

        return border;

    }

    public int getLogoPart() {

        return logoPart;

    }

}
ZXingCode .java
package com.util;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import java.io.File;

import java.util.HashMap;

import java.util.Map;

import javax.imageio.ImageIO;

import org.apache.commons.lang.StringUtils;

import com.google.zxing.BarcodeFormat;

import com.google.zxing.Binarizer;

import com.google.zxing.BinaryBitmap;

import com.google.zxing.EncodeHintType;

import com.google.zxing.LuminanceSource;

import com.google.zxing.MultiFormatReader;

import com.google.zxing.MultiFormatWriter;

import com.google.zxing.Result;

import com.google.zxing.WriterException;

import com.google.zxing.common.BitMatrix;

import com.google.zxing.common.HybridBinarizer;

import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;/**

 * @Description: (二维码)

 * @author 。

 */

public class ZXingCode {

    private static final int BLACK = 0xFF000000;//黑色

    private static final int WHITE = 0xFFFFFFFF;//白色

    private static class SingletonHolder{

        private final static  ZXingCode INSTANCE=new ZXingCode();

    }   

    private ZXingCode(){}

    public static ZXingCode getInstance(){

        return SingletonHolder.INSTANCE;

    }

    /**

     * 给二维码图片添加Logo

     *

     * @param qrPic

     * @param logoPic

     */

    public void addLogoQRCode(File qrPic, File logoPic,

            ZxingLogoConfig logoConfig) {

        try {

            if (!qrPic.isFile() || !logoPic.isFile()) {

                System.out.print("file not find !");

                System.exit(0);

            }

            /**

             * 读取二维码图片，并构建绘图对象

             */

            BufferedImage image = ImageIO.read(qrPic);

            Graphics2D g = image.createGraphics();

            /**

             * 读取Logo图片

             */

            BufferedImage logo = ImageIO.read(logoPic);

            /**

             * 设置logo的大小,本人设置为二维码图片的20%,因为过大会盖掉二维码

             */

            int widthLogo = logo.getWidth(null) > image.getWidth() * 2 / 10 ? (image.getWidth() * 2 / 10)

                    : logo.getWidth(null),

                    heightLogo = logo.getHeight(null) > image.getHeight() * 2 / 10 ? (image.getHeight() * 2 / 10)

                            : logo.getWidth(null);

            // 计算图片放置位置

            /**

             * logo放在中心

             */

            int x = (image.getWidth() - widthLogo) / 2;

            int y = (image.getHeight() - heightLogo) / 2;

            /**

             * logo放在右下角

             */

            /*

             * int x = (image.getWidth() - widthLogo); int y =

             * (image.getHeight() - heightLogo);

             */

            // 开始绘制图片

            g.drawImage(logo, x, y, widthLogo, heightLogo, null);

            g.drawRoundRect(x, y, widthLogo, heightLogo, 15, 15);

            g.setStroke(new BasicStroke(logoConfig.getBorder()));

            g.setColor(logoConfig.getBorderColor());

            g.drawRect(x, y, widthLogo, heightLogo);

            g.dispose();

            logo.flush();

            image.flush();

            ImageIO.write(image, "png", new File("D:/test/2.jpg"));

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    public BufferedImage addLogoQRCode(BufferedImage image, File logoPic,

            ZxingLogoConfig logoConfig) {

        try {

            if (image==null || !logoPic.isFile()) {

                System.out.print("file not find !");

                return image;

            }

            /**

             * 读取二维码图片，并构建绘图对象

             */

            Graphics2D g = image.createGraphics();

            /**

             * 读取Logo图片

             */

            BufferedImage logo = ImageIO.read(logoPic);

            /**

             * 设置logo的大小,本人设置为二维码图片的20%,因为过大会盖掉二维码

             */

            int widthLogo = logo.getWidth(null) > image.getWidth() * 2 / 10 ? (image.getWidth() * 2 / 10)

                    : logo.getWidth(null),

                    heightLogo = logo.getHeight(null) > image.getHeight() * 2 / 10 ? (image.getHeight() * 2 / 10)

                            : logo.getWidth(null);

            // 计算图片放置位置

            /**

             * logo放在中心

             */

            int x = (image.getWidth() - widthLogo) / 2;

            int y = (image.getHeight() - heightLogo) / 2;

            /**

             * logo放在右下角

             */

            /*

             * int x = (image.getWidth() - widthLogo); int y =

             * (image.getHeight() - heightLogo);

             */

            // 开始绘制图片

            g.drawImage(logo, x, y, widthLogo, heightLogo, null);

            g.drawRoundRect(x, y, widthLogo, heightLogo, 15, 15);

            g.setStroke(new BasicStroke(logoConfig.getBorder()));

            g.setColor(logoConfig.getBorderColor());

            g.drawRect(x, y, widthLogo, heightLogo);

            g.dispose();

            logo.flush();

            image.flush();

            return image;

        } catch (Exception e) {

            e.printStackTrace();

        }

        return image;

    }

    public BufferedImage addLogoWordQRCode(BufferedImage image,

            String logoWord, Integer fontSize,

            ZxingLogoConfig logoConfig) {

        try {

            if (image==null || StringUtils.isBlank(logoWord)) {

                System.out.print("file not find !");

                return image;

            }

            Graphics2D g = image.createGraphics();

            int widthLogo = g.getFontMetrics().stringWidth(logoWord);

            int heightLogo= 10;

            int x = (image.getWidth() - widthLogo) / 2;

            int y = (image.getHeight() - heightLogo) / 2;

            // 开始绘制图片

            Font font=new Font("黑体", Font.PLAIN, fontSize);

            g.setFont(font);

            g.setColor(Color.BLACK);

            g.drawString(logoWord, x, y);

            g.dispose();

            image.flush();

            return image;

        } catch (Exception e) {

            e.printStackTrace();

        }

        return image;

    }

    /**

     * 二维码的解析

     *

     * @param file

     */

    public void parseQRCODEImage(File file) {

        try {

            MultiFormatReader formatReader = new MultiFormatReader();

            // File file = new File(filePath);

            if (!file.exists()) {

                return;

            }

            BufferedImage image = ImageIO.read(file);

            LuminanceSource source = new BufferedImageLuminanceSource(image);

            Binarizer binarizer = new HybridBinarizer(source);

            BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);

            Map hints = new HashMap();

            hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");

            Result result = formatReader.decode(binaryBitmap, hints);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    /**

     * 将二维码生成为文件

     *

     * @param bm

     * @param imageFormat

     * @param file

     */

    public void decodeQRCODE2ImageFile(BitMatrix bm, String imageFormat, File file) {

        try {

            if (null == file || file.getName().trim().isEmpty()) {

                throw new IllegalArgumentException("文件异常，或扩展名有问题！");

            }

            BufferedImage bi = fileToBufferedImage(bm);

            ImageIO.write(bi, "png", file);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    /**

     * 构建初始化二维码

     *

     * @param bm

     * @return

     */

    public BufferedImage fileToBufferedImage(BitMatrix bm) {

        BufferedImage image = null;

        try {

            int w = bm.getWidth(), h = bm.getHeight();

            image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);

            for (int x = 0; x < w; x++) {

                for (int y = 0; y < h; y++) {

                    image.setRGB(x, y, bm.get(x, y) ? 0xFF000000 : 0xFFCCDDEE);

                }

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        return image;

    }

    /**

     * 生成二维码bufferedImage图片

     *

     * @param content

     *            编码内容

     * @param barcodeFormat

     *            编码类型

     * @param width

     *            图片宽度

     * @param height

     *            图片高度

     * @param hints

     *            设置参数

     * @return

     */

    public BufferedImage getQRCODEBufferedImage(String content,

            BarcodeFormat barcodeFormat, int width, int height,

            Map<EncodeHintType, ?> hints) {

        MultiFormatWriter multiFormatWriter = null;

        BitMatrix bm = null;

        BufferedImage image = null;

        try {

            multiFormatWriter = new MultiFormatWriter();

            // 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数

            bm = multiFormatWriter.encode(content, barcodeFormat, width, height, hints);

            int w = bm.getWidth();

            int h = bm.getHeight();

            image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);

            // 开始利用二维码数据创建Bitmap图片，分别设为黑（0xFF000000）白（0xFFFFFFFF）两色

            for (int x = 0; x < w; x++) {

                for (int y = 0; y < h; y++) {

                    image.setRGB(x, y, bm.get(x, y) ? BLACK : WHITE);

                }

            }

        } catch (WriterException e) {

            e.printStackTrace();

        }

        return image;

    }

    /**

     * 设置二维码的格式参数

     *

     * @return

     */

    public Map<EncodeHintType, Object> getDecodeHintType() {

        // 用于设置QR二维码参数

        Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();

        // 设置QR二维码的纠错级别（H为最高级别）具体级别信息

        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);

        // 设置编码方式

        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");

        //hints.put(EncodeHintType.MARGIN, 0);

        //hints.put(EncodeHintType.MAX_SIZE, 350);

        //hints.put(EncodeHintType.MIN_SIZE, 100);

        return hints;

    }

}

控制器方法请求代码

package com.test;

import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import com.google.zxing.BarcodeFormat;

import com.util.ZXingCode;

/**

 * 二维码Action

 */

@Controller

public class DimensionCodeAct {

    /**

     * 生成二维码图片

     * @param content   url链接

     * @param fontSize  文字大小

     * @param size      图片大小

     * @param request

     * @param response

     */

    @RequestMapping("/o_create_dimensioncode")

    public void createCodeImg(String content,

                              Integer fontSize,Integer size,

                              HttpServletRequest request,

                              HttpServletResponse response) {

        if(StringUtils.isNotBlank(content)){

            if(size==null){

                size=100;

            }

            if(fontSize==null){

                fontSize=10;

            }

            response.setContentType("image/png");

            try {

                ZXingCode zp =  ZXingCode.getInstance();

                BufferedImage bim = zp.getQRCODEBufferedImage(content, BarcodeFormat.QR_CODE, size, size,

                        zp.getDecodeHintType());

                ImageIO.write(bim, "png", response.getOutputStream());

                //如果是只要生成到本地文件夹 用以下写法
                //File file=new File("存放的绝对路径，例：D://xxx.jpg");
                //ImageIO.write(bim, "png", file);

            } catch (Exception e) {

                //e.printStackTrace();

            }

        }

    }

}

页面调用

<img src="/o_create_dimensioncode.jspx?content=${url!}&size=90" style="width:150px;height:150px;"/>

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