/** *//**
     * 文件上傳的方法
     * 
     * @param file
     * @param request
     * @param bbs
     */
    public void upload(FormFile file, HttpServletRequest request, Bbs bbs)
    {
        //只有選擇了文件時才上傳
        if ("".equals(file.getFileName()) || null == file.getFileName())
        {
            return ;
        }
        // 得到當前網(wǎng)站的絕對路徑
        String path = this.getServlet().getServletContext().getRealPath("/");
        FileOutputStream fileOutput;
        try
        {
            // 文件操作
            fileOutput = new FileOutputStream(path + "main/upload/"
                    + file.getFileName());
            fileOutput.write(file.getFileData());
            fileOutput.flush();
            fileOutput.close();
            log.info("BbsAction:附件上傳成功");
        }
        catch (FileNotFoundException e)
        {
            log.info("BbsAction:找不到文件");
        }
        catch (IOException e)
        {
            log.info("BbsAction:文件IO異常");
        }
        // 數(shù)據(jù)庫操作
        Fileupload fileupload = new Fileupload();
        String basePath = request.getScheme() + "://" + request.getServerName()
                + ":" + request.getServerPort() + request.getContextPath()
                + "/";
        fileupload.setFilename(basePath + "/main/upload/" + file.getFileName());
        // 得到文件的擴展名
        int point = file.getFileName().lastIndexOf(".");
        String ext = file.getFileName().substring(point + 1);
        //擴展名處理
        if ("jpg".equals(ext.toLowerCase()) || "bmp".equals(ext.toLowerCase())
                || "gif".equals(ext.toLowerCase()))
        {
            ext = "img";
        }
        if ("rar".equals(ext.toLowerCase()) || "zip".equals(ext.toLowerCase())
                || "jar".equals(ext.toLowerCase()))
        {
            ext = "rar";
        }
        if("txt".equals(ext.toLowerCase()) || "sql".equals(ext.toLowerCase()) || "ini".equals(ext.toLowerCase()))
        {
            ext = "txt";
        }
        fileupload.setFileext(ext);
        fileupload.setFilesize(file.getFileSize());
        fileupload.setUptime(new Date());
        fileupload.setDowncount(0);
        fileupload.setUpuser(((User) request.getSession().getAttribute("user"))
                .getUserName());
        fileupload.setFlag((short) 0);
        fileupload.setAnnounceId(bbs.getAnnounceId());
        fileupload.setName(file.getFileName());
        fileuploadManager.save(fileupload);
        log.info("BbsAction:附件信息已經(jīng)成功保存到數(shù)據(jù)庫");
    }