public JsonResult SetImg(CampusImg model) { if (model == null) { return(Error("参数错误。")); } var campusImg = Request.Files["campusImg"]; if (campusImg == null) { return(Error("请选择图片。")); } string uploadResult = UploadHelper.Process(campusImg.FileName, campusImg.InputStream); if (!string.IsNullOrEmpty(uploadResult)) { model.ImgUrl = uploadResult; } var result = new ResultBase(); result.success = _campusService.InsertImgAsync(model); return(Json(result)); }