String string =this.imgFileStoreHttp.getRootFilePath()+ version.getAPK_Url(); //鏈接等於apk保存的鏈接 cfltest.encode(string,285, 280, logoPath,imgPath); //logoPath是logo路徑 imgPath是生成的二維碼路徑
下面是方法的類,上面只是調用類傳路徑和參數的方法。借鑑java
http://blog.csdn.net/lcx46/article/details/13626841
/** * 參考 http://blog.csdn.net/lcx46/article/details/13626841 * * @author 曹飛龍 * */ @ParentPackage(value = "default") @Namespace(value = "/ewm") @Controller @Scope("prototype") public class cfltest extends ActionSupport { // 圖片寬度的通常 private static final int IMAGE_WIDTH = 70; private static final int IMAGE_HEIGHT = 70; private static final int IMAGE_HALF_WIDTH = IMAGE_WIDTH / 2; private static final int FRAME_WIDTH = 2; // 二維碼寫碼器 private static MultiFormatWriter mutiWriter = new MultiFormatWriter(); /** * * @param content * 二維碼顯示的文本 * @param width * 二維碼的寬度 * @param height * 二維碼的高度 * @param srcImagePath * 中間嵌套的圖片 * @param destImagePath * 二維碼生成的地址 */ public static void encode(String content, int width, int height, String srcImagePath, String destImagePath) { try { // ImageIO.write 參數 一、BufferedImage 二、輸出的格式 三、輸出的文件 ImageIO.write(genBarcode(content, width, height, srcImagePath), "jpg", new File(destImagePath)); } catch (IOException e) { e.printStackTrace(); } catch (WriterException e) { e.printStackTrace(); } } /** * 獲得BufferedImage * * @param content * 二維碼顯示的文本 * @param width * 二維碼的寬度 * @param height * 二維碼的高度 * @param srcImagePath * 中間嵌套的圖片 * @return * @throws WriterException * @throws IOException */ private static BufferedImage genBarcode(String content, int width, int height, String srcImagePath) throws WriterException, IOException { // 讀取源圖像 BufferedImage scaleImage = scale(srcImagePath, IMAGE_WIDTH, IMAGE_HEIGHT, false); 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); } } java.util.Hashtable hint = new java.util.Hashtable(); hint.put(EncodeHintType.CHARACTER_SET, "utf-8"); hint.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L); // 生成二維碼 BitMatrix matrix = mutiWriter.encode(content, BarcodeFormat.QR_CODE, width, height, hint); // 二維矩陣轉爲一維像素數組 int halfW = matrix.getWidth() / 2; int halfH = matrix.getHeight() / 2; int[] pixels = new int[width * height]; // System.out.println(matrix.getHeight()); for (int y = 0; y < matrix.getHeight(); y++) { for (int x = 0; x < matrix.getWidth(); x++) { // 讀取圖片 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]; } // 在圖片四周造成邊框 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 > 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) || (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; } else { // 此處能夠修改二維碼的顏色,能夠分別制定二維碼和背景的顏色; pixels[y * width + x] = matrix.get(x, y) ? 0xff000000 : 0xfffffff; } } } BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); image.getRaster().setDataElements(0, 0, width, height, pixels); return image; } /** * 把傳入的原始圖像按高度和寬度進行縮放,生成符合要求的圖標 * * @param srcImageFile * 源文件地址 * @param height * 目標高度 * @param width * 目標寬度 * @param hasFiller * 比例不對時是否須要補白:true爲補白; false爲不補白; * @throws IOException */ 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; } @Action(value = "erWeiMa") public void erWeiMa() { cfltest.encode( "http://10.8.64.223:8991/assa/sadfasd/sdasd/asdsa.apx", 285, 280, "D:\\ToolKitImage.jpg", "D:\\2013-01.jpg"); } }