//查询列表示例 public static void getlistcondition() { ConditionFieldModel condition = new ConditionFieldModel(); ConditionFieldItemModel fieldmodel = new ConditionFieldItemModel() { FieldName = "id", ValueMin = 0, ValueMax = 2012199998 }; condition.List.Add(fieldmodel); ConditionFieldItemModel fieldmodel2 = new ConditionFieldItemModel() { FieldName = "num1", ValueMin = 0, ValueMax = 35000 }; condition.List.Add(fieldmodel2); //ConditionFieldItemModel fieldmodel3 = new ConditionFieldItemModel() { FieldName = "num2", ValueMin = 300, ValueMax = 3500 }; //condition.List.Add(fieldmodel3); long sqlnum = 0; DBRead serverread = new DBRead(); //var d1 = serverread.GetCount(condition, ref sqlnum); //Console.WriteLine("返回记录总数:" + d1 + ",执行数据库次数:" + sqlnum); DataTable ddd2 = serverread.GetList(basemodel, condition, ref sqlnum); Console.WriteLine("返回记录数:" + ddd2.Rows.Count + ",执行数据库次数:" + sqlnum); }
/// <summary> ///查询所有数据示列 /// </summary> public static void getrowallcount() { long sqlnum1 = 0; DBRead serverread1 = new DBRead(); var d1 = serverread1.GetAllCount2(basemodel, ref sqlnum1); Console.WriteLine("返回记录总数:" + d1 + ",执行数据库次数:" + sqlnum1); }
//---------------db Functions------------ private void CountLinesInDB() { SQLiteDataReader DBRead; SQLiteCommand comm = new SQLiteCommand("select count(*) from printView", conn); DBRead = comm.ExecuteReader(); DBRead.Read(); dblines = DBRead.GetInt32(0); }
protected override void OnStop() { _logger.Log(Category.Info, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ".OnStop()"); //signal the worker threads to exit _syncEvts.GlobalExitEvent.Set(); if (_DBRead != null) { _DBRead = null; } if (_DBWrite != null) { _DBWrite = null; } //join all the threads and stop them Thread[] thrArr = new Thread[] { DBReadThread, DBWriteThead }; foreach (Thread t in thrArr) { if (t != null && t.IsAlive) { //gives the threat 5s time to finish otherwise it will be aborted bool b = t.Join(5000); if (!b) { t.Abort(); } } } DBReadThread = null; DBWriteThead = null; //wait additional time to close application Thread.Sleep(200); //indicate a successful exit ExitCode = 0; }
protected override void OnStart(string[] args) { if (!bIsService) { Console.Title = ConfigurationManager.AppSettings["AppName"]; } _logger.Log(Category.Info, MethodBase.GetCurrentMethod().DeclaringType.Name + ".OnStart"); Thread.CurrentThread.Name = GetType().Name; IntPtr handle = ServiceHandle; if (bIsService) { _svcStatus.currentState = (int)ServiceState.SERVICE_START_PENDING; SetServiceStatus(handle, ref _svcStatus); } ++_syncEvts.ThreadsToRun; _DBRead = new DBRead(); ++_syncEvts.ThreadsToRun; _DBWrite = new DBWrite(); _logger.Log(Category.Info, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": waiting for {0} threads ...", _syncEvts.ThreadsToRun); if (_syncEvts.AllThreadsRunning.WaitOne(GlobalParameters._iThreadStartTimeout)) { if (bIsService) { _svcStatus.currentState = (int)ServiceState.SERVICE_RUNNING; SetServiceStatus(handle, ref _svcStatus); } } else { _logger.Log(Category.SysError, MethodBase.GetCurrentMethod().DeclaringType.Name + "_" + MethodBase.GetCurrentMethod().Name + ": waiting for SyncEvts.AllThreadsRunning failed"); } }