java源代碼：
//二維碼uat訪問地址
String text = "http://域名/項目名/頁面.html?參數=";
int width = num; // 二維碼圖片的寬
int height = num1; // 二維碼圖片的高
String outPutath = path + 二維碼名字 + ".png"; //上傳成功
outPutPath = outPutPath.replaceAll("\\\\", "/");
String imageType = "png"; // 二維碼生成類型
QRCodeTool.zxingCodeCreate(text, width, height, outPutPath,imageType);
二維碼工具包~源代碼
package com.yd.meeting.register.util;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import javax.imageio.ImageIO;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Logger;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
public class QRCodeTool {
private static final Log log = LogFactory.getLog(QRCodeTool.class);
private static final int IMAGE_WIDTH = 100;
private static final int IMAGE_HEIGHT = 100;
private static final int IMAGE_HALF_WIDTH = IMAGE_WIDTH / 2;
private static final int FRAME_WIDTH = 2;
private static MultiFormatWriter mutiWriter = new MultiFormatWriter();
public static void encode(String content, int width, int height,
String srcImagePath, String destImagePath) {
try {
ImageIO.write(genBarcode(content, width, height, srcImagePath),
"jpg", new File(destImagePath));
} catch (IOException e) {
log.debug(e);
} catch (WriterException e) {
log.debug(e);
}
}
private static BufferedImage genBarcode(String content, int width,
int height, String srcImagePath) throws WriterException,
IOException {
BufferedImage scaleImage = scale(srcImagePath, IMAGE_WIDTH,
IMAGE_HEIGHT, true);
int[][] srcPixels = new int[IMAGE_WIDTH][IMAGE_HEIGHT];
for (int i = 0; i < scaleImage.getWidth(); i++) {
for (int j = 0; j < scaleImage.getHeight(); j++) {
srcPixels[i][j] = scaleImage.getRGB(i, j);
}
}
Map<EncodeHintType, Object> hint = new HashMap<EncodeHintType, Object>();
hint.put(EncodeHintType.CHARACTER_SET, "utf-8");
hint.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
// 生成二維碼
BitMatrix matrix = mutiWriter.encode(content, BarcodeFormat.QR_CODE,
width, height, hint);
// 二維矩陣轉為一維像素數組
int halfW = matrix.getWidth() / 2;
int halfH = matrix.getHeight() / 2;
int[] pixels = new int[width * height];
for (int y = 0; y < matrix.getHeight(); y++) {
for (int x = 0; x < matrix.getWidth(); x++) {
// 左上角顏色,根據自己需要調整顏色范圍和顏色
if (x > 0 && x < 170 && y > 0 && y < 170) {
Color color = new Color(231, 144, 56);
int colorInt = color.getRGB();
pixels[y * width + x] = matrix.get(x, y) ? colorInt
: 16777215;
}
// 讀取圖片
else if (x > halfW - IMAGE_HALF_WIDTH
&& x < halfW + IMAGE_HALF_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH
&& y < halfH + IMAGE_HALF_WIDTH) {
pixels[y * width + x] = srcPixels[x - halfW
+ IMAGE_HALF_WIDTH][y - halfH + IMAGE_HALF_WIDTH];
} else if ((x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH
&& x < halfW - IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH - FRAME_WIDTH && y < halfH
+ IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW + IMAGE_HALF_WIDTH - FRAME_WIDTH
&& x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH && y < halfH
+ IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH
&& x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH - FRAME_WIDTH && y < halfH
- IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH
&& x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH + IMAGE_HALF_WIDTH - FRAME_WIDTH && y < halfH
+ IMAGE_HALF_WIDTH + FRAME_WIDTH)) {
pixels[y * width + x] = 0xfffffff;
// 在圖片四周形成邊框
} else {
// 二維碼顏色
int num1 = (int) (50 - (50.0 - 13.0) / matrix.getHeight()
* (y + 1));
int num2 = (int) (165 - (165.0 - 72.0) / matrix.getHeight()
* (y + 1));
int num3 = (int) (162 - (162.0 - 107.0)
/ matrix.getHeight() * (y + 1));
Color color = new Color(num1, num2, num3);
int colorInt = color.getRGB();
// 此處可以修改二維碼的顏色，可以分別制定二維碼和背景的顏色；
pixels[y * width + x] = matrix.get(x, y) ? colorInt
: 16777215;
// 0x000000:0xffffff
}
}
}
BufferedImage image = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
image.getRaster().setDataElements(0, 0, width, height, pixels);
return image;
}
private static BufferedImage scale(String srcImageFile, int height,
int width, boolean hasFiller) throws IOException {
double ratio = 0.0; // 縮放比例
File file = new File(srcImageFile);
BufferedImage srcImage = ImageIO.read(file);
Image destImage = srcImage.getScaledInstance(width, height,
BufferedImage.SCALE_SMOOTH);
// 計算比例
if ((srcImage.getHeight() > height) || (srcImage.getWidth() > width)) {
if (srcImage.getHeight() > srcImage.getWidth()) {
ratio = (new Integer(height)).doubleValue()
/ srcImage.getHeight();
} else {
ratio = (new Integer(width)).doubleValue()
/ srcImage.getWidth();
}
AffineTransformOp op = new AffineTransformOp(
AffineTransform.getScaleInstance(ratio, ratio), null);
destImage = op.filter(srcImage, null);
}
if (hasFiller) {
// 補白
BufferedImage image = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
Graphics2D graphic = image.createGraphics();
graphic.setColor(Color.white);
graphic.fillRect(0, 0, width, height);
if (width == destImage.getWidth(null))
graphic.drawImage(destImage, 0,
(height - destImage.getHeight(null)) / 2,
destImage.getWidth(null), destImage.getHeight(null),
Color.white, null);
else
graphic.drawImage(destImage,
(width - destImage.getWidth(null)) / 2, 0,
destImage.getWidth(null), destImage.getHeight(null),
Color.white, null);
graphic.dispose();
destImage = image;
}
return (BufferedImage) destImage;
}
//////////////////////////
//二維碼顏色
private static final int BLACK = 0xFF000000;
//二維碼顏色
private static final int WHITE = 0xFFFFFFFF;
/**
* <span style="font-size:18px;font-weight:blod;">ZXing 方式生成二維碼</span>
* @param text <a href="javascript:void();">二維碼內容</a>
* @param width 二維碼寬
* @param height 二維碼高
* @param outPutPath 二維碼生成保存路徑
* @param imageType 二維碼生成格式
*/
public static void zxingCodeCreate(String text, int width, int height, String outPutPath, String imageType){
Map<EncodeHintType, String> his = new HashMap<EncodeHintType, String>();
//設置編碼字符集
his.put(EncodeHintType.CHARACTER_SET, "utf-8");
try {
//1、生成二維碼
BitMatrix encode = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height, his);
//2、獲取二維碼寬高
BitMatrix deleteWhite = deleteWhite(encode);
int codeWidth = deleteWhite.getWidth();
int codeHeight = deleteWhite.getHeight();
//3、將二維碼放入緩沖流
BufferedImage image = new BufferedImage(codeWidth, codeHeight, BufferedImage.TYPE_INT_RGB);
for (int i = 0; i < codeWidth; i++) {
for (int j = 0; j < codeHeight; j++) {
//4、循環將二維碼內容定入圖片
image.setRGB(i, j, deleteWhite.get(i, j) ? BLACK : WHITE);
}
}
File outPutImage = new File(outPutPath);
//如果圖片不存在創建圖片
if(!outPutImage.exists())
outPutImage.createNewFile();
//5、將二維碼寫入圖片
ImageIO.write(image, imageType, outPutImage);
} catch (WriterException e) {
//e.printStackTrace();
log.info(e);
System.out.println("二維碼生成失敗");
} catch (IOException e) {
//e.printStackTrace();
log.info(e);
System.out.println("生成二維碼圖片失敗");
}
}
public static BitMatrix deleteWhite(BitMatrix matrix){
int[] rec = matrix.getEnclosingRectangle();
int resWidth = rec[2] + 1;
int resHeight = rec[3] + 1;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
resMatrix.clear();
for (int i = 0; i < resWidth; i++) {
for (int j = 0; j < resHeight; j++) {
if (matrix.get(i + rec[0], j + rec[1]))
resMatrix.set(i, j);
}
}
return resMatrix;
}
public static void main(String[] args) throws UnsupportedEncodingException {
// 依次為內容(不支持中文),寬,長,中間圖標路徑,儲存路徑
//C:\Users\Administrator\Desktop\網點ERP
/*DEMO2.encode("http://www.baidu.com/", 512, 512,
"D:\\logo.png", "D:\\2013-01.jpg");*/
/* QRCodeTool.encode("http://www.baidu.com/", 512, 512,
"C:\\Users\\Administrator\\Desktop\\0.png", "D:\\2013-02.jpg");*/
/* QRCodeTool.encode("http://210.45.175.11/", 512, 512,
"F:\\雜圖\\593219843225a0c8a1e93c25b.jpg", "D:\\2013-01.jpg");*/
QRCodeTool.zxingCodeCreate("http://weixin.yundasys.com/opserver/interface/ydwechat/sharePage.do?viewKey=V007_1&data=1013201700", 350, 350, "d://zxingcode.jpg", "jpg");
}
}