try {             String targetImg = "D:/Blue hills.jpg"; //          String pressImg = "D:/20130311220300.jpg";             String pressImg = "D:/html_original.jpg";             File f1 = new File(targetImg);             Image src = ImageIO.read(f1);             int width = src.getWidth(null);             int height = src.getHeight(null);             BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);             Graphics g =  image.createGraphics();             g.drawImage(src, 0, 0, width, height, null);             File f2 = new File(pressImg);             Image src_pao = ImageIO.read(f2);             int width_pao = src_pao.getWidth(null);             int height_pao = src_pao.getHeight(null);             g.drawImage(src_pao, (width-+width_pao)/2, (height-height_pao)/2,width_pao,height_pao, null); //          g.drawImage(src_pao, 100, 100,width,height, null);             g.dispose();             FileOutputStream out = new FileOutputStream(targetImg);             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);             encoder.encode(image);             out.close();             System.out.println("水印添加成功!!");         } catch (Exception e) {             // TODO: handle exception             System.out.println("水印添加失败!!");             e.printStackTrace();         }