public static void DBSyncManage() { if (SyncManage.sync_status_db_str == STATUS.Initing) { return; } SyncManage.sync_status_db_str = STATUS.Initing; //验证位点 if (SyncManage.Marker == null || SyncManage.Marker.Rows.Count <= 0) { SyncManage.LoadMarker(); } IDBHelper dBHelper = new DBHelperMySQL("", Program.Settings.DNALims); try { //分页同步 //状态,默认0 插入,1 删除,2 更新 string maxIdSql = "SELECT max(id) FROM `comparedatatask` where ex8=0 and `type`=0 order by updatetime desc,`level`"; var maxId = dBHelper.execScalar(maxIdSql); if (maxId.Equals(DBNull.Value)) { SyncManage.sync_status_db_str = STATUS.Exiting; return; } string minIdSql = "select min(id) from comparedatatask where ex8=0 and `type`=0 order by updatetime desc,`level`"; var minId = dBHelper.execScalar(minIdSql); if (minId.Equals(DBNull.Value)) { minId = 0; } DBSync(Convert.ToInt32(minId), Convert.ToInt32(maxId)); } catch (Exception ex) { Console.WriteLine(ex.Message); } finally { dBHelper.closeConn(); SyncManage.sync_status_db_str = STATUS.Exiting; } }