<form  enctype=""multipart/form-data"  method="post">

    <input type="file" name="file">

    <input type="submit" value="上传" >

</form>

@RequestMapping("/sysfindheimingdan/excelmobanupload")

    @ResponseBody

        public void uploadExcelModel(HttpServletRequest request,HttpServletResponse response) throws Exception {

        //开始上传excel

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;

          MultipartFile multipartFile = multipartRequest.getFile("file");

          String sourceName = multipartFile.getOriginalFilename(); // 原始文件名

          Long size = multipartFile.getSize();

          String fileType = sourceName.substring(sourceName.lastIndexOf("."));

          System.out.println("上传的文件名为:"+sourceName+"类型为:"+fileType+"大小："+size);

          String base = request.getSession().getServletContext().getRealPath("/upload//");  //获取文件上传的路径，在webapp下的upload中

          File file = new File(base);

          if(!file.exists()){

           file.mkdirs();

          }

          String path=base + File.separator + sourceName;

          multipartFile.transferTo(new File(path));

    }