QRCodeUtil.encode(text, "D:/004.jpg", "D:", true, "exp");// 这个方法的第一个参数是网址，第二个参数是内嵌图片，第三个参数：是否压缩logo,第四个参数：二维码名字；
需要core-2.3.0.jar包，然后直接复制粘贴即可用。
1 package otherTest;
2
3 import java.awt.BasicStroke;
4 import java.awt.Graphics;
5 import java.awt.Graphics2D;
6 import java.awt.Image;
7 import java.awt.Shape;
8 import java.awt.geom.RoundRectangle2D;
9 import java.awt.image.BufferedImage;
10 import java.io.File;
11 import java.io.OutputStream;
12 import java.util.Hashtable;
13
14 import javax.imageio.ImageIO;
15
16 import com.google.zxing.BarcodeFormat;
17 import com.google.zxing.EncodeHintType;
18 import com.google.zxing.MultiFormatWriter;
19 import com.google.zxing.common.BitMatrix;
20 import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
21
22 public class QRCodeUtil {
23 private static final String CHARSET = "utf-8";
24 private static final String FORMAT_NAME = "JPG";
25 // 二维码尺寸
26 private static final int QRCODE_SIZE = 300;
27 // LOGO宽度
28 private static final int WIDTH = 60;
29 // LOGO高度
30 private static final int HEIGHT = 60;
31
32 private static BufferedImage createImage(String content, String imgPath, boolean needCompress) throws Exception {
33 Hashtable hints = new Hashtable();
34 hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
35 hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
36 hints.put(EncodeHintType.MARGIN, 1);
37 BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE,
38 hints);
39 int width = bitMatrix.getWidth();
40 int height = bitMatrix.getHeight();
41 BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
42 for (int x = 0; x < width; x++) {
43 for (int y = 0; y < height; y++) {
44 image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
45 }
46 }
47 if (imgPath == null || "".equals(imgPath)) {
48 return image;
49 }
50
51 // 插入图片
52 QRCodeUtil.insertImage(image, imgPath, needCompress);
53 return image;
54 }
55
56 private static void insertImage(BufferedImage source, String imgPath, boolean needCompress) throws Exception {
57 File file = new File(imgPath);
58 if (!file.exists()) {
59 System.err.println("" + imgPath + " 该文件不存在！");
60 return;
61 }
62 Image src = ImageIO.read(new File(imgPath));
63 int width = src.getWidth(null);
64 int height = src.getHeight(null);
65 if (needCompress) { // 压缩LOGO
66 if (width > WIDTH) {
67 width = WIDTH;
68 }
69 if (height > HEIGHT) {
70 height = HEIGHT;
71 }
72 Image image = src.getScaledInstance(width, height, Image.SCALE_SMOOTH);
73 BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
74 Graphics g = tag.getGraphics();
75 g.drawImage(image, 0, 0, null); // 绘制缩小后的图
76 g.dispose();
77 src = image;
78 }
79 // 插入LOGO
80 Graphics2D graph = source.createGraphics();
81 int x = (QRCODE_SIZE - width) / 2;
82 int y = (QRCODE_SIZE - height) / 2;
83 graph.drawImage(src, x, y, width, height, null);
84 Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6);
85 graph.setStroke(new BasicStroke(3f));
86 graph.draw(shape);
87 graph.dispose();
88 }
89
90 public static void encode(String content, String imgPath, String destPath, boolean needCompress, String fileName)
91 throws Exception {
92 BufferedImage image = QRCodeUtil.createImage(content, imgPath, needCompress);
93 mkdirs(destPath);
94 String file = fileName + "." + FORMAT_NAME.toLowerCase();
95 ImageIO.write(image, FORMAT_NAME, new File(destPath + File.separator + file));
96 }
97
98 public static void mkdirs(String destPath) {
99 File file = new File(destPath);
100 // 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)
101 if (!file.exists() && !file.isDirectory()) {
102 file.mkdirs();
103 }
104 }
105 public static void main(String[] args) throws Exception {
106 String text = "http://www.baidu.com";
107 QRCodeUtil.encode(text, "D:/004.jpg", "D:", true, "exp");
108 }
109 }