public JsonResult Add(string LabelName) { try { if (string.IsNullOrEmpty(LabelName)) { throw new ValidateException(409, "标签名称不能为空"); } Label model = new Label(); model.Name = LabelName; int labelId = _labelService.Add(model); return(Json(new { code = 200, msg = "ok", id = labelId })); } catch (ValidateException ex) { LogService.Instance.AddAsync(Level.Error, ex); return(Json(new { code = ex.Code, msg = ex.Message })); } catch (Exception ex) { LogService.Instance.AddAsync(Level.Error, ex); return(Json(new { code = 500, msg = ex.Message })); } }