/**     * 將上傳文件和水印文件合成帶水印圖片     */    public static void setWaterMark(File targetFile, String rootPath, String path) throws IOException {        //源文件        Image src = ImageIO.read(targetFile);        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);        // 水印文件        String FILENAME = rootPath + “ueditor/image/waterMark.png”;                //FILENAME為url地址時，如：http://www.baidu.com/abc.png//        URL url = new URL(FILENAME);//        InputStream PRessIs = url.openStream();                //FILENAME為本地路徑時,如：D:/abc.png        InputStream pressIs = new FileInputStream(FILENAME);        Image src_biao = ImageIO.read(pressIs);        int width_biao = src_biao.getWidth(null);        int height_biao = src_biao.getHeight(null);        g.drawImage(src_biao, width - width_biao, height - height_biao, width_biao, height_biao, null);        g.dispose();        FileOutputStream out = new FileOutputStream(path);        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);        encoder.encode(image);        out.close();    }

private static State saveTmpFile(File tmpFile, String rootPath, String path, Long maxSize) {    State state = null;    File targetFile = new File(path);    if (targetFile.canWrite()) {        return new BaseState(false, AppInfo.PERMISSION_DENIED);    }    try {        FileUtils.moveFile(tmpFile, targetFile);    } catch (IOException e) {        return new BaseState(false, AppInfo.IO_ERROR);    }    //判斷是否為圖片文件    if (maxSize == 2048000) {        try {            //加水印            setWaterMark(targetFile, rootPath, path);        } catch (IOException e) {            e.printStackTrace();        }    }    state = new BaseState(true);    state.putInfo("size", targetFile.length());    state.putInfo("title", targetFile.getName());    return state;}