上传图片并生成缩略图

    /**
     * 上传图片并生成缩略图
     */
    private void uploadManImageFile(HttpServletRequest request, DataRecord domainMap) {
        if (!(request instanceof MultipartHttpServletRequest)) {
            return;
        }
        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        MultipartFile multipartFile = multipartRequest.getFile("domain.MAIN_IMAGE");
        if (null != multipartFile && !multipartFile.isEmpty()) {
            String id = domainMap.getString("ID");
            String oriFilePath = getFilePath() + "/" + id + ".png";
            String zoomFilePath = getFilePath() + "/_" + id + ".png";
            File oriFile = new File(oriFilePath);
            File zoomFile = new File(zoomFilePath);

            FileOutputStream zoomFOS = null;
            FileOutputStream oriFOS = null;
            try {
                oriFile.createNewFile();
                zoomFile.createNewFile();
                zoomFOS = new FileOutputStream(zoomFile);
                oriFOS = new FileOutputStream(oriFile);
                zoom(multipartFile.getInputStream(),oriFOS,zoomFOS, "png", 100, 100);
                //domainMap.put("MAIN_IMAGE",getFilePath() + "/_" + id + ".png");
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                try{
                    zoomFOS.close();
                }catch(Exception e){

                }
                try{
                    oriFOS.close();
                }catch(Exception e){

                }
            }
        }
    }

    /**
     * 生成原图和缩略图
     */
    private boolean zoom(InputStream sourceFileIs, OutputStream oriFOS, OutputStream zoomFOS, String suffix,
            int width, int height) throws IOException {
        BufferedImage readImage = ImageIO.read(sourceFileIs);
        Image image = readImage.getScaledInstance(width, height, Image.SCALE_SMOOTH);
        BufferedImage zoomImage = new BufferedImage(width, height, readImage.getType());
        Graphics gc = zoomImage.getGraphics();
        gc.drawImage(image, 0, 0, null);
        ImageIO.write(zoomImage, suffix, zoomFOS);
        ImageIO.write(readImage, suffix, oriFOS);
        return true;
    }