插件中（表单插件）调用批号规则获取批号并填入单据中方法。

      /// <summary>

        /// 表单插件中调用批号规则获取批号方法，ctx上下文，view this.View,flotkey 批号字段标识,lotorm批号字段绑定实体属性 引用Kingdee.K3.SCM.ServiceHelper，Kingdee.BOS.Core

        /// </summary>

        /// <param name="ctx"></param>

        /// <param name="view"></param>

        /// <param name="flotkey"></param>

        /// <param name="lotorm"></param>

        public void GetFlotBill(Context ctx, IBillView view, string flotkey, string lotorm)

        {

            LotField lotField = view.Model.BusinessInfo.GetField(flotkey) as LotField;

            ExtendedDataEntitySet extendedDataEntitySet = new ExtendedDataEntitySet();

            extendedDataEntitySet.Parse(new Kingdee.BOS.Orm.DataEntity.DynamicObject[] { view.Model.DataObject }, view.Model.BusinessInfo);

            ExtendedDataEntity[] array = extendedDataEntitySet.FindByEntityKey(lotField.EntityKey);

            CodeAppResult codeAppResult = StockServiceHelper.GenerateLotMasterByCodeRule(ctx, view.Model.BillBusinessInfo, lotField, array);

            var flots = codeAppResult.CodeNumbers;

            Entity entity = view.Model.BusinessInfo.GetEntryEntity(lotField.EntityKey);

            for (int i = 0; i < flots.Count; i++)

            {

                if (!flots[i].Value.IsNullOrEmptyOrWhiteSpace())

                {

                    Kingdee.BOS.Orm.DataEntity.DynamicObject obj = view.Model.GetEntityDataObject(entity, i);

                    obj[lotorm + "_Text"] = flots[i].Value[0];

                }

            }

            view.UpdateView(lotField.EntityKey);

        }