public IActionResult Add(FormulaAddModel model)
        {
            if (!ModelState.IsValid)
            {
                return(Json(new { state = "error", data = "提交信息验证失败" }));
            }

            try
            {
                var dal = new FormulaDal();
                var p   = mapper.Map <FormulaDefinition>(model);
                dal.Add(p);
                return(Json(new { state = "ok", data = 1 }));
            }
            catch (Exception ex)
            {
                return(Json(new { state = "error", data = ex.Message }));
            }
        }