文件上传

  /**
     * 上传至本地文件,待优化
     *
     * @param request
     * @param res
     * @throws Exception
     */
    @RequestMapping(value = "/uploadFile.do")
    public void uploadFile(HttpServletRequest request, HttpServletResponse res)
            throws Exception {
        //判断 request 是否有文件上传,即多部分请求
        try {
            String fileName = request.getParameter("fileName");
            String separator = File.separator;
            //得到工程名全路径
            String sc = request.getSession().getServletContext().getRealPath("");
            sc = sc +  "uploadFiles" + separator + "fpImages" + separator;
            logger.info("路径名UploadController：sc" + sc + "=======================================");
            logger.info("路径名UploadController：fileName" + fileName + "=======================================");
            String realSavePath = sc + fileName;
            File tmpFile = new File(sc);
            logger.info("路径名UploadController：realSavePath" + realSavePath + "=======================================");
            if (!tmpFile.exists()) {
                // 创建临时目录当前已处理
                tmpFile.mkdir();
            }
            int size = 1024 * 1024 * 2;
            InputStream in = new BufferedInputStream(new DataInputStream(
                    request.getInputStream()), size);

            OutputStream out = new BufferedOutputStream(new FileOutputStream(
                    realSavePath), size);
            byte[] buffer = new byte[1024];
            int len = 0;

            while ((len = in.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
            in.close();
            out.close();
        } catch (Exception e) {
            logger.error("######class:UploadController method:upload2 " + e.getMessage(), e);
        }
    }