webapi接收上传的文件和相关参数

[HttpPost]        public IHttpActionResult TestPostFile()        {            string name = HttpContext.Current.Request["name"];            string age = HttpContext.Current.Request["age"];            string name1 = HttpContext.Current.Request.Params["name"];            string age1 = HttpContext.Current.Request.Params["age"];            HttpFileCollection files = HttpContext.Current.Request.Files;            foreach (string key in files.AllKeys)            {                HttpPostedFile file1 = files[key];                if (string.IsNullOrEmpty(file1.FileName) == false)                    file1.SaveAs(HttpContext.Current.Server.MapPath("~/App_Data/") + file1.FileName);            }             return Ok("success2");          }