1 /** 2  3  4  5   */
 
     ---oracle中使用游标返回数据，在ado.net中进行读取 6   PROCEDURE ISDT_VEHICLE_TASK_CHECK(P_CARNUM    IN VARCHAR2, 7                                     CUR_OUT     OUT sys_refcursor 8                                    ) IS 9     G_HAS_TASK varchar2(40); -- 任务编号10   BEGIN11     12     select max(t.task_id)13       into G_HAS_TASK14       from T_ISDT_VEHICLE_TASK_LAST t15      where t.car_num = P_CARNUM16        and rownum = 117      order by t.created_date desc;18   19     if G_HAS_TASK is not null then20       21     22       OPEN CUR_OUT FOR23         select t.task_id,24                ds.id,25                ds.site_code,26                ds.center_lon,27                ds.center_lat,28                ds.latlons,29                ds.center_lon_bd,30                ds.center_lat_bd,31                ds.latlons_bd32           from T_ISDT_VEHICLE_TASK_LAST t33          inner join t_isdt_delivery_site ds34             on t.sender_site_id = ds.id35            and ds.state = 136          where t.car_num = P_CARNUM37            and rownum = 138          order by t.created_date desc;39     40       /*OPEN CUR_CARTASK FOR41         select vi.id as vehicleID,st.task_id as taskID  from T_ISDT_VEHICLE_TASK_LAST st42         inner join t_isdt_vehicle_info vi on vi.car_num=st.car_num43         where st.car_num = P_CARNUM and rownum = 144         order by st.created_date desc;45     */46       --存在任务47       ----P_STATE := 1;48     else49     50       OPEN CUR_OUT FOR51         select ‘‘ as task_id,52                ‘‘ as id,53                ‘‘ as site_code,54                ‘‘ as center_lon,55                ‘‘ as center_lat,56                ‘‘ as latlons,57                ‘‘ as center_lon_bd,58                ‘‘ as center_lat_bd,59                ‘‘ as latlons_bd60           from dual;61     62       /*OPEN CUR_CARTASK FOR63            select ‘‘ as vehicleID,‘‘ as taskID from dual;*/64     65       --不存在任务66       ----P_STATE := 0;67     end if;68   END ISDT_VEHICLE_TASK_CHECK;

 /// <summary>         /// wyg 2017-3-10         /// </summary>        /// <param name="vehicleNo"></param>        /// <returns></returns>        public List<AreaSite> CheckVehicleInTask(string vehicleNo, out string vehicleId, out string taskId)        {            vehicleId = taskId = string.Empty;            var list = new List<AreaSite>();            Database database = DBHelper.CreateDataBase();            DbCommand command = database.GetStoredProcCommand("ISDT_VEHICLE_DATA_SYNC.ISDT_VEHICLE_TASK_CHECK");            database.AddInParameter(command, "P_CARNUM", DbType.String, vehicleNo);                     using (IDataReader reader = database.ExecuteReader(command))            {                while (reader.Read())                {                    list.Add(new AreaSite(reader));                }                if (reader.NextResult())                {                    if (!reader.IsDBNull(0))                    {                        vehicleId = reader.GetString(0);                    }                    if (!reader.IsDBNull(1))                    {                        taskId = reader.GetString(1);                    }                }            }            return list;        }