引出时更新字段值并控制引出数据

注册列表插件：

列表插件代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel;
using Kingdee.BOS.Contracts;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kingdee.BOS.Core.List.PlugIn;
using Kingdee.BOS.ServiceHelper;
using Kingdee.BOS.App.Data;
using Kingdee.BOS.Util;
 namespace Kingdee.BOS.TestPlugIn.ListPlugIn
{
    [HotUpdate]
    [Description("单据A列表插件")]
    public class TestFormListPlugIn : AbstractListPlugIn
    {
        //是否为引出操作
        private bool _Export = false;
        private List<SqlParam> _sqlParams = new List<SqlParam>();
        /// <summary>
        /// 操作前事件
        /// </summary>
        /// <param name="e"></param>
        public override void BeforeDoOperation(BeforeDoOperationEventArgs e)
        {
               base.BeforeDoOperation(e);
               this._Export = false;
            if (e.Operation.FormOperation.Operation == "Export")
            {
                this._Export = true;
            }
        }
        /// <summary>
        /// e.TableName临时表包含所有需要导出的数据
        /// </summary>
        /// <param name="e"></param>
        public override void BeforeGetDataForTempTableAccess(Core.List.PlugIn.Args.BeforeGetDataForTempTableAccessArgs e)
        {
            base.BeforeGetDataForTempTableAccess(e);
            //引出操作
            if (_Export)
            {
                //得到引出单据内码集合
                //方式1
               /// var dataObjs = this.ListModel.GetPKData();
               //方式2
                var pkName = this.View.BillBusinessInfo.GetForm().PkFieldName;
                var sql = string.Format("select  {0} FROM {1}", pkName, e.TableName);
                var dataObjs = DBUtils.ExecuteDynamicObject(this.Context, sql);
                if (dataObjs.Count > 0)
                {
                    List<object> lstPks = new List<object>();
                    foreach (var obj in dataObjs)
                    {
                        if (!lstPks.Contains(obj[pkName]))
                        {
                            lstPks.Add(obj[pkName]);
                        }
                    }
                    //根据单据内码更新相关字段
                  var headTableName =   this.View.BillBusinessInfo.GetEntity(0).TableName;
                  var filter = this.GetFilter(lstPks,  pkName);
                  sql = string.Format("update {0}  set F_KKK_Integer = F_KKK_Integer+1 where {1}", headTableName, filter);
                  DBUtils.Execute(this.Context, sql, this._sqlParams);
                 //并且控制整数大于15的单据才能导出
                   
                  sql = string.Format("delete  FROM {0} where F_KKK_Integer >15 ",  e.TableName);                                 DBUtils.Execute(this.Context, sql);
                }
            }
        }
         /// <summary>
        /// 得到过滤条件
        /// </summary>
        /// <param name="pks"></param>
        /// <param name="pkName"></param>
        /// <returns></returns>
        private string GetFilter(List<object> pks, string pkName)
        {
            string strFilter =string.Empty;
            if (pks.Count == 0)
            {
                strFilter = string.Format("{0} = {1}", pkName, pks[0]);
            }
            else if (pks.Count <= 50)
            {
                strFilter = string.Format("{0} in ({1})", pkName, string.Join(",", pks.ToArray()));
            }
            else //使用表变量
            {
                _sqlParams.Add(new SqlParam("@PKValue", KDDbType.udt_inttable, pks));
                string pkTmpTable = string.Format("( select /*+ cardinality(b {0})*/ FId  from table(fn_StrSplit(@PKValue,',',1)) b )", pks.Count );
                strFilter = string.Format("exists (select 1 from {0} t1 where t1.FId = {1})", pkTmpTable, pkName);
            }
            return strFilter; 
        }
    }
}