springMVC上传文件保存

//录音上传
    @RequestMapping(value="/uploadRepairVoiceMobile")
    public @ResponseBody void uploadRepairVoiceMobile(MultipartFile voice,HttpServletRequest request) throws Exception {
        if (voice!=null && !voice.isEmpty()) {
            //获取用户单位编号
            String webPath=request.getSession().getServletContext().getRealPath("");
            // 获取存储路径
            String path = webPath+"uploadData"+ File.separator + "voice";
            File dir = new File(path);
　　　　　　　//验证文件是否存在
            if (!dir.exists()){
                dir.mkdirs();
            }
            File videoDir = new File(path + File.separator + voice.getOriginalFilename());
　　　　　　　//保存文件
            voice.transferTo(videoDir);
        }
    }