public ActionResult HelloWorld(DemoForm demoForm) { ResponseResult response = new ResponseResult(); DemoModel demoModel = new DemoModel(); demoModel.UserName = demoForm.Message; if (string.IsNullOrEmpty(demoForm.SerialNumber)) { Log4NetUtil.LogWarn(demoForm.ToJson()); response.Code = ResponseResultType.ParamError; response.Message = "参数错误"; return(Content(response.ToJson())); } response.SerialNumber = "2"; response.Code = ResponseResultType.Success; response.Message = _env.EnvironmentName; response.Data = demoModel; return(Content(response.ToJson())); }