注意请求参数： request Content-type:"multipart/form-data"

@RequestMapping(value = "upload", method = RequestMethod.POST, consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)    public void upload(HttpServletRequest request) throws Exception {        BaseResponseV2 responseV2 = new BaseResponseV2();        if( request instanceof MultipartHttpServletRequest == fa) {                    return ;        }                MultipartHttpServletRequest multipartHttpServletRequest = (MultipartHttpServletRequest)request;                MultipartFile multipartFile = multipartHttpServletRequest.getFile("doc-form-file");        System.out.println("formname:"+multipartFile.getName());        System.out.println("filename:"+multipartFile.getOriginalFilename());        multipartFile.transferTo(new File(System.getProperty("java.io.tmpdir")+File.separator+"text.xlsx"));                Map
    
      paramMap = request.getParameterMap();        for(String key:paramMap.keySet()) {            for(String value:paramMap.get(key)) {                System.out.println(key+":"+value);            }        }