swagger 实现文件上传

    @ResponseBody
    @RequestMapping(
            value = "upload", method = RequestMethod.POST, produces = "application/json; charset=utf-8")
    @ApiOperation(value = "upload file svc",
            notes = "multi part file upload.",
            response = BaseResultVo.class,
            httpMethod = "POST")

            @ApiResponses(value = {
                    @ApiResponse(code = 200, message = "OK", response = BaseResultVo.class)})

            public String processUploadFile(
            HttpServletRequest request,
            @RequestPart(required = true) MultipartFile file)
            {
                return "";
            }
   
    @Bean(name = "multipartResolver")
    public CommonsMultipartResolver commonsMultipartResolver()
    {
        return new CommonsMultipartResolver();
    }