/// <summary>
/// 获取分组数据记录集。
/// </summary>
/// <returns></returns>
protected System.Data.IDataReader GetDataReader()
{
this.DbConnection = this.Application.GetDbConnection();
if (this.DbConnection == null)
{
throw new Exception("当前系统未配置数据库连接，无法使用分组统计功能。");
}
if (this.DbConnection.TableIsExist(this.GetDataTableName()))
{
string strSumColumn = "";
for (int intIndex = 1; intIndex <= 96; intIndex++)
{
strSumColumn += "," + this.GetAggregateType().GetName() + "(" + this.GetDataTableName() + ".Value" + intIndex + ") AS V" + intIndex;
}
string strFrom = Tables.Device.TableName + "," + this.GetDataTableName();
foreach (string tName in this.m_TableNames)
{
strFrom += "," + tName;
}
string strWhere = Tables.Device.TableName + "." + Tables.Device.DeviceId + "=" + this.GetDataTableName() + ".DeviceId";
if (this.StartDate == this.EndDate)
{
strWhere += " AND " + this.GetDataTableName() + ".DateNum=" + Function.ToIntDate(this.StartDate);
}
else
{
strWhere += " AND " + this.GetDataTableName() + ".DateNum>=" + Function.ToIntDate(this.StartDate) + " AND " + this.GetDataTableName() + ".DateNum<=" + Function.ToIntDate(this.EndDate);
}
strWhere += this.GetSqlWhere();
if (this.Filters.Count > 0)
{
string strFilterWhere = this.Filters.GetFilterSql(true);
if (strFilterWhere != null && strFilterWhere.Length > 0)
{
strWhere += " AND (" + strFilterWhere + ")";
}
}
strWhere = " WHERE " + strWhere;
string strSql = "SELECT " + this.GetGroupColumnName() + strSumColumn + " FROM " + strFrom + strWhere + " GROUP BY " + this.GetGroupColumnName();
System.Data.IDataReader dr = this.DbConnection.ExecuteReader(strSql);
return(dr);
}
return(null);
}
/// <summary>
/// 保存设备曲线数据段。
/// </summary>
/// <param name="tableTypeF">96及以下点数数据表类型声明。</param>
/// <param name="tableNameF">96及以下点数数据表名。</param>
/// <param name="tableTypeS">96以上点数数据表类型声明。</param>
/// <param name="tableNameS">96以上点数数据表名。</param>
/// <param name="mergeOption">当转换后的点数小于目前曲线点数时，如何合并目前的数据。</param>
/// <param name="splitOption">当转换后的点数大于目前曲线点数时，如何拆分目前的数据。</param>
/// <param name="dbConnection">活动的数据库连接。</param>
/// <param name="deviceId">设备编号。</param>
/// <param name="date">数据起始日期及时间。使用其中的年、月、日、时、分、秒。</param>
/// <param name="curvePoint">该数据的点数类型。</param>
/// <param name="values">曲线数据值，该数组长度必须是 CurvePointOptions 中指定的长度之一。</param>
/// <param name="save96Point">当 curvePoint 大于 96 点时是否另外计算一份96点的数据进行保存。当 curvePoint 小于等于 96 点时该参数无任何作用。</param>
/// <param name="keyColumns">该数据所属数据表的额外主键字段，及这些主键字段的数值。</param>
public static void Save(Type tableTypeF, string tableNameF, Type tableTypeS, string tableNameS, CurveMergeOptions mergeOption, CurveSplitOptions splitOption, Database.DbConnection dbConnection, int deviceId, DateTime date, CurvePointOptions curvePoint, decimal?[] values, CurvePartDataSave96PointOptions save96Point, params KeyValuePair <string, string>[] keyColumns)
{
CurvePartValue _CurvePartValue = new CurvePartValue(curvePoint, date.Hour * 10000 + date.Minute * 100 + date.Second, values);
string strSql;
string strTableName;
bool bolSave96 = true; //是否保存96点数据
if (_CurvePartValue.CurvePoint > CurvePointOptions.Point96)
{
//储存分秒数据表
strTableName = Database.DbConnection.GetMonthlyName(tableNameS, date.Year, date.Month);
if (dbConnection.TableIsExist(strTableName) == false)
{
dbConnection.CreateTable(tableTypeS, strTableName);
}
string strWhere = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strWhere += " AND " + kvp.Key + "=" + kvp.Value;
}
strSql = "Delete From " + strTableName + " Where DateNum=" + Function.ToIntDate(date) + " AND TimeNum>=" + _CurvePartValue.StartTimeNum + " AND TimeNum<=" + _CurvePartValue.EndTimeNum + " AND DeviceId=" + deviceId + strWhere;
dbConnection.ExecuteNonQuery(strSql);
string strValue = "";
string strColumn = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strValue += "," + kvp.Value;
strColumn += "," + kvp.Key;
}
for (int intIndex = 0; intIndex < _CurvePartValue.Values.Length; intIndex++)
{
try
{
strSql = Function.ToIntDate(date) + "," + _CurvePartValue.GetTimeNum(intIndex) + "," + deviceId + strValue + "," + Function.SqlDecimal(values[intIndex]);
strSql = "INSERT INTO " + strTableName + " (DateNum,TimeNum,DeviceId" + strColumn + ",DataValue) VALUES (" + strSql + ")";
dbConnection.ExecuteNonQuery(strSql);
}
catch { }
}
if (save96Point == CurvePartDataSave96PointOptions.No)
{
bolSave96 = false;
}
else if (save96Point == CurvePartDataSave96PointOptions.Auto)
{
if (curvePoint == CurvePointOptions.Point144)
{
if (values.Length <= 3)
{
if (((_CurvePartValue.EndTimeNum / 100) % 100) != 20 && ((_CurvePartValue.EndTimeNum / 100) % 100) != 50)
{
bolSave96 = false;
}
}
}
else
{
if (values.Length <= (curvePoint.GetPointCount() / CurvePointOptions.Point96.GetPointCount()))
{
if (curvePoint.GetTimeNum(_CurvePartValue.EndTimeNum, 1) != CurvePointOptions.Point96.GetTimeNum(_CurvePartValue.EndTimeNum, 1))
{
bolSave96 = false;
}
}
}
}
if (bolSave96)
{
int intStartTimeNum96 = CurvePointOptions.Point96.FormatTimeNum(_CurvePartValue.StartTimeNum);
if (curvePoint == CurvePointOptions.Point144)
{
if (((_CurvePartValue.StartTimeNum / 100) % 100) == 20)
{
intStartTimeNum96 = (intStartTimeNum96 / 10000) * 10000;
}
else if (((_CurvePartValue.StartTimeNum / 100) % 100) == 50)
{
intStartTimeNum96 = (intStartTimeNum96 / 10000) * 10000 + 3000;
}
}
if (intStartTimeNum96 < _CurvePartValue.StartTimeNum)
{
//如果数据的起始时间不是每小时的00分、15分、30分、45分，则从数据库取出该一刻钟缺少的数据。
CurvePartValue _CurvePartValueTemp = new CurvePartValue(curvePoint, intStartTimeNum96, _CurvePartValue.EndTimeNum);
for (int intIndex = 0; intIndex < _CurvePartValue.Values.Length; intIndex++)
{
_CurvePartValueTemp.SetValue(_CurvePartValue.GetTimeNum(intIndex), _CurvePartValue.Values[intIndex]);
}
strSql = "SELECT * FROM " + strTableName + " WHERE DateNum=" + Function.ToIntDate(date) + " AND TimeNum>=" + intStartTimeNum96 + " AND TimeNum<" + _CurvePartValue.StartTimeNum + " AND DeviceId=" + deviceId + strWhere;
System.Data.IDataReader dr = dbConnection.ExecuteReader(strSql);
while (dr.Read())
{
_CurvePartValueTemp.SetValue(Function.ToInt(dr["TimeNum"]), Function.ToDecimal(dr["DataValue"]));
}
dr.Close();
//转换为96点数据
_CurvePartValueTemp.Convert(CurvePointOptions.Point96, mergeOption, splitOption);
_CurvePartValue = _CurvePartValueTemp;
}
}
}
if (bolSave96)
{
//96点数据储存
strTableName = Database.DbConnection.GetMonthlyName(tableNameF, date.Year, date.Month);
if (dbConnection.TableIsExist(strTableName) == false)
{
dbConnection.CreateTable(tableTypeF, strTableName);
}
if (_CurvePartValue.CurvePoint > CurvePointOptions.Point96)
{
_CurvePartValue.Convert(CurvePointOptions.Point96, mergeOption, splitOption);
}
try
{
string strValue = "";
string strColumn = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strValue += "," + kvp.Value;
strColumn += "," + kvp.Key;
}
string strColumnValues = "";
string strColumnNames = "";
for (int intIndex = 0; intIndex < _CurvePartValue.Values.Length; intIndex++)
{
strColumnValues += "," + Function.SqlDecimal(_CurvePartValue.Values[intIndex]);
strColumnNames += ",Value" + ((_CurvePartValue.GetPointIndex(intIndex) * (96 / _CurvePartValue.CurvePoint.GetPointCount())) + 1);
}
strSql = Function.ToIntDate(date) + "," + deviceId + strValue + strColumnValues;
strSql = "INSERT INTO " + strTableName + " (DateNum,DeviceId" + strColumn + strColumnNames + ") VALUES (" + strSql + ")";
dbConnection.ExecuteNonQuery(strSql);
}
catch
{
string strWhere = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strWhere += " AND " + kvp.Key + "=" + kvp.Value;
}
string strColumns = "";
for (int intIndex = 0; intIndex < _CurvePartValue.Values.Length; intIndex++)
{
strColumns += ",Value" + ((_CurvePartValue.GetPointIndex(intIndex) * (96 / _CurvePartValue.CurvePoint.GetPointCount())) + 1) + "=" + Function.SqlDecimal(_CurvePartValue.Values[intIndex]);
}
strSql = "UPDATE " + strTableName + " Set " + strColumns.Substring(1) + " Where DateNum=" + Function.ToIntDate(date) + " AND DeviceId=" + deviceId + strWhere;
dbConnection.ExecuteNonQuery(strSql);
}
}
}
/// <summary>
/// 搜索指定页数的月数据。
/// </summary>
/// <param name="pageNum">搜索第几页的数据。</param>
/// <returns></returns>
public IList <V> Search(int pageNum)
{
List <V> lstValues = new List <V>();
this.PageNum = pageNum;
this.RecordsetCount = 0;
this.PageCount = 0;
Database.DbConnection dbConn = this.Application.GetDbConnection();
if (dbConn == null)
{
throw new Exception("当前系统未配置数据库连接，无法使用搜索功能。");
}
try
{
if (dbConn.TableIsExist(this.GetDataTableName()))
{
string strWhere = Tables.Device.TableName + "." + Tables.Device.DeviceId + "=" + this.GetDataTableName() + ".DeviceId";
if ((this.m_StartDate.Year * 12 + this.m_StartDate.Month) == (this.m_EndDate.Year * 12 + this.m_EndDate.Month))
{
strWhere += " AND " + this.GetDataTableName() + ".DateNum=" + (this.StartDate.Year * 10000 + this.StartDate.Month * 100);
}
else
{
strWhere += " AND " + this.GetDataTableName() + ".DateNum>=" + (this.StartDate.Year * 10000 + this.StartDate.Month * 100) + " AND " + this.GetDataTableName() + ".DateNum<=" + (this.EndDate.Year * 10000 + this.EndDate.Month * 100);
}
strWhere += this.GetSqlWhere();
if (this.Filters.Count > 0)
{
string strFilterWhere = this.Filters.GetFilterSql(true);
if (strFilterWhere != null && strFilterWhere.Length > 0)
{
strWhere += " AND (" + strFilterWhere + ")";
}
}
if (strWhere.Length > 0)
{
strWhere = " WHERE " + strWhere;
}
string strTableNames = "";
if (this.m_TableNames != null && this.m_TableNames.Length > 0)
{
foreach (string name in this.m_TableNames)
{
strTableNames += "," + name;
}
}
string strSql;
// 查询结果记录集总数。
strSql = "SELECT COUNT(" + this.GetDataTableName() + ".DeviceId) FROM " + Tables.Device.TableName + strTableNames + "," + this.GetDataTableName() + strWhere;
this.RecordsetCount = Function.ToInt(dbConn.ExecuteScalar(strSql));
// 计算总页数并检查当前页是否在页数范围内。
if (this.RecordsetCount == 0)
{
this.PageCount = 0;
this.PageNum = 0;
}
else
{
if (this.PageSize > 0)
{
this.PageCount = this.RecordsetCount / this.PageSize;
if ((this.RecordsetCount % this.PageSize) > 0)
{
this.PageCount++;
}
if (this.PageNum < 1)
{
this.PageNum = 1;
}
if (this.PageNum > this.PageCount)
{
this.PageNum = this.PageCount;
}
}
else
{
this.PageNum = 1;
this.PageCount = 1;
}
System.Data.IDataReader dr = null;
if (this.PageCount == 1)
{
strSql = "SELECT " + this.GetSelectColumn() + " FROM " + Tables.Device.TableName + strTableNames + "," + this.GetDataTableName() + strWhere + this.GetOrder(true, this.IsAscend ? false : true);
dr = dbConn.ExecuteReader(strSql);
}
else if (this.PageCount > 1)
{
if (this.PageNum == 1)
{
dr = dbConn.GetDataReader(this.PageSize, this.GetSelectColumn(), Tables.Device.TableName + strTableNames + "," + this.GetDataTableName(), strWhere, this.GetOrder(true, this.IsAscend ? false : true));
}
else if (this.PageNum == this.PageCount)
{
dr = dbConn.GetDataReader(this.PageSize, this.RecordsetCount, this.GetSelectColumn(), Tables.Device.TableName + strTableNames + "," + this.GetDataTableName(), strWhere, this.GetOrder(true, this.IsAscend ? true : false), this.GetOrder(false, this.IsAscend ? false : true));
}
else
{
dr = dbConn.GetDataReader(this.PageSize, this.PageNum, this.GetSelectColumn(), Tables.Device.TableName + strTableNames + "," + this.GetDataTableName(), strWhere, this.GetOrder(true, this.IsAscend ? false : true), this.GetOrder(false, this.IsAscend ? true : false), this.GetOrder(false, this.IsAscend ? false : true));
}
}
if (dr != null)
{
DeviceCollection devices = new DeviceCollection(true);
while (dr.Read())
{
int intDeviceId = Function.ToInt(dr[Tables.Device.DeviceId]);
Device device = this.Application.GetDeviceInstance(intDeviceId);
if (device != null)
{
device.SetDataReader(dr);
}
else
{
DeviceType deviceType = this.Application.DeviceTypeSort.GetDeviceType(Function.ToString(dr[Tables.Device.DeviceType]));
if (deviceType != null)
{
device = deviceType.CreateDevice();
device.SetApplication(this.Application);
device.SetDataReader(dr);
this.Application.SetDeviceInstance(device);
}
}
if (device != null)
{
devices.Add(device);
lstValues.Add(this.DoDataReader(device, dr));
}
}
dr.Close();
}
}
}
else
{
this.RecordsetCount = 0;
this.PageCount = 0;
this.PageNum = 0;
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
dbConn.Close();
}
return(lstValues);
}
/// <summary>
/// 保存设备曲线数据。
/// </summary>
/// <param name="tableTypeF">96及以下点数数据表类型声明。</param>
/// <param name="tableNameF">96及以下点数数据表名。</param>
/// <param name="tableTypeS">96以上点数数据表类型声明。</param>
/// <param name="tableNameS">96以上点数数据表名。</param>
/// <param name="mergeOption">当转换后的点数小于目前曲线点数时，如何合并目前的数据。</param>
/// <param name="splitOption">当转换后的点数大于目前曲线点数时，如何拆分目前的数据。</param>
/// <param name="dbConnection">活动的数据库连接。</param>
/// <param name="deviceId">设备编号。</param>
/// <param name="date">数据日期。只使用其中的年、月、日。</param>
/// <param name="values">曲线数据值，该数组长度必须是 CurvePointOptions 中指定的长度之一。</param>
/// <param name="keyColumns">该数据所属数据表的额外主键字段，及这些主键字段的数值。</param>
public static void Save(Type tableTypeF, string tableNameF, Type tableTypeS, string tableNameS, CurveMergeOptions mergeOption, CurveSplitOptions splitOption, Database.DbConnection dbConnection, int deviceId, DateTime date, decimal?[] values, params KeyValuePair <string, string>[] keyColumns)
{
CurveValue _CurveValue = new CurveValue(values);
string strSql;
string strTableName;
if (_CurveValue.CurvePoint > CurvePointOptions.Point96)
{
//储存分秒数据表
strTableName = Database.DbConnection.GetMonthlyName(tableNameS, date.Year, date.Month);
if (dbConnection.TableIsExist(strTableName) == false)
{
dbConnection.CreateTable(tableTypeS, strTableName);
}
string strWhere = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strWhere += " AND " + kvp.Key + "=" + kvp.Value;
}
strSql = "Delete From " + strTableName + " Where DateNum=" + Function.ToIntDate(date) + " AND DeviceId=" + deviceId + strWhere;
dbConnection.ExecuteNonQuery(strSql);
string strValue = "";
string strColumn = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strValue += "," + kvp.Value;
strColumn += "," + kvp.Key;
}
for (int intIndex = 0; intIndex < _CurveValue.Values.Length; intIndex++)
{
try
{
strSql = Function.ToIntDate(date) + "," + _CurveValue.CurvePoint.GetTimeNum(intIndex) + "," + deviceId + strValue + "," + Function.SqlDecimal(values[intIndex]);
strSql = "INSERT INTO " + strTableName + " (DateNum,TimeNum,DeviceId" + strColumn + ",DataValue) VALUES (" + strSql + ")";
dbConnection.ExecuteNonQuery(strSql);
}
catch { }
}
}
//96点数据储存
strTableName = Database.DbConnection.GetMonthlyName(tableNameF, date.Year, date.Month);
if (dbConnection.TableIsExist(strTableName) == false)
{
dbConnection.CreateTable(tableTypeF, strTableName);
}
if (_CurveValue.CurvePoint > CurvePointOptions.Point96)
{
_CurveValue.Convert(CurvePointOptions.Point96, mergeOption, splitOption);
}
try
{
string strValue = "";
string strColumn = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strValue += "," + kvp.Value;
strColumn += "," + kvp.Key;
}
string strColumnValues = "";
string strColumnNames = "";
for (int intIndex = 0; intIndex < _CurveValue.Values.Length; intIndex++)
{
strColumnValues += "," + Function.SqlDecimal(_CurveValue.Values[intIndex]);
strColumnNames += ",Value" + ((intIndex * (96 / _CurveValue.CurvePoint.GetPointCount())) + 1);
}
strSql = Function.ToIntDate(date) + "," + deviceId + strValue + strColumnValues;
strSql = "INSERT INTO " + strTableName + " (DateNum,DeviceId" + strColumn + strColumnNames + ") VALUES (" + strSql + ")";
dbConnection.ExecuteNonQuery(strSql);
}
catch
{
string strWhere = "";
foreach (KeyValuePair <string, string> kvp in keyColumns)
{
strWhere += " AND " + kvp.Key + "=" + kvp.Value;
}
string strColumns = "";
for (int intIndex = 0; intIndex < _CurveValue.Values.Length; intIndex++)
{
strColumns += ",Value" + ((intIndex * (96 / _CurveValue.CurvePoint.GetPointCount())) + 1) + "=" + Function.SqlDecimal(_CurveValue.Values[intIndex]);
}
strSql = "UPDATE " + strTableName + " Set " + strColumns.Substring(1) + " Where DateNum=" + Function.ToIntDate(date) + " AND DeviceId=" + deviceId + strWhere;
dbConnection.ExecuteNonQuery(strSql);
}
}