/// <summary>
/// 得到数据源。
/// </summary>
/// <returns></returns>
public DataTable GetToDataTable()
{
string sql = "SELECT * FROM " + this.ToTable;
DataTable FromDataTable = new DataTable();
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
FromDataTable = DBAccess.RunSQLReturnTable(sql);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
FromDataTable = DBAccess.RunSQLReturnTable(sql);
break;
case DA.DBUrlType.DBAccessOfOLE:
FromDataTable = DBAccessOfOLE.RunSQLReturnTable(sql);
break;
case DA.DBUrlType.DBAccessOfOracle:
FromDataTable = DBAccessOfOracle.RunSQLReturnTable(sql);
break;
case DA.DBUrlType.DBAccessOfODBC:
FromDataTable = DBAccessOfODBC.RunSQLReturnTable(sql);
break;
default:
throw new Exception("the to dburl error DBUrlType ");
}
return(FromDataTable);
}
/// <summary>
/// 数据源 run sql ,返回table .
/// </summary>
/// <param name="selectSql"></param>
/// <returns></returns>
public DataTable FromDBUrlRunSQLReturnTable(string selectSql)
{
// 得到数据源．
DataTable dt = new DataTable();
switch (this.FromDBUrl)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfODBC:
dt = DBAccessOfODBC.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfOLE:
dt = DBAccessOfOLE.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(selectSql);
break;
//case DBUrlType.DBAccessOfOracle1:
// dt=DBAccessOfOracle1.RunSQLReturnTable( selectSql );
// break;
default:
break;
}
return(dt);
}
/// <summary>
/// 得到数据源。
/// </summary>
/// <returns>数据源</returns>
public DataTable GetFromDataTable()
{
string FromSQL = "SELECT ";
foreach (FF ff in this.FFs)
{
//对日期型的判断
if (ff.DataType == DataType.AppDateTime)
{
FromSQL += " CASE " +
" when datalength( CONVERT(VARCHAR,datepart(month," + ff.FromField + " )))=1 then datename(year," + ff.FromField + " )+'-'+('0'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " ))) " +
" else " +
" datename(year," + ff.FromField + " )+'-'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " )) " +
" END " +
" AS " + ff.FromField + " , ";
}
else
{
FromSQL += ff.FromField + ",";
}
}
FromSQL = FromSQL.Substring(0, FromSQL.Length - 1);
FromSQL += " from " + this.FromTable;
FromSQL += this.FromWhere;
DataTable FromDataTable = new DataTable();
switch (this.FromDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
FromDataTable = DBAccess.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
FromDataTable = DBAccess.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
FromDataTable = DBAccessOfOLE.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
FromDataTable = DBAccessOfOracle.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
FromDataTable = DBAccessOfODBC.RunSQLReturnTable(FromSQL);
break;
default:
throw new Exception("the from dburl error DBUrlType ");
}
return(FromDataTable);
}
/// <summary>
/// 同步更新.
/// </summary>
public void Inphase()
{
#region 得到源表
this.DoBefore();
string FromSQL = "SELECT ";
foreach (FF ff in this.FFs)
{
//对日期型的判断
if (ff.DataType == DataType.AppDateTime)
{
FromSQL += " CASE " +
" when datalength( CONVERT(VARCHAR,datepart(month," + ff.FromField + " )))=1 then datename(year," + ff.FromField + " )+'-'+('0'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " ))) " +
" else " +
" datename(year," + ff.FromField + " )+'-'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " )) " +
" END " +
" AS " + ff.FromField + " , ";
}
else
{
FromSQL += ff.FromField + ",";
}
}
FromSQL = FromSQL.Substring(0, FromSQL.Length - 1);
FromSQL += " from " + this.FromTable;
FromSQL += this.FromWhere;
DataTable FromDataTable = new DataTable();
switch (this.FromDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
FromDataTable = DBAccess.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
FromDataTable = DBAccess.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
FromDataTable = DBAccessOfOLE.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
FromDataTable = DBAccessOfOracle.RunSQLReturnTable(FromSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
FromDataTable = DBAccessOfODBC.RunSQLReturnTable(FromSQL);
break;
default:
break;
}
#endregion
#region 得到目的表(字段只包含主键)
string ToSQL = "SELECT ";
foreach (FF ff in this.FFs)
{
if (ff.IsPK == false)
{
continue;
}
ToSQL += ff.ToField + ",";
}
ToSQL = ToSQL.Substring(0, ToSQL.Length - 1);
ToSQL += " FROM " + this.ToTable;
DataTable ToDataTable = new DataTable();
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
ToDataTable = DBAccess.RunSQLReturnTable(ToSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
ToDataTable = DBAccess.RunSQLReturnTable(ToSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
ToDataTable = DBAccessOfOLE.RunSQLReturnTable(ToSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
ToDataTable = DBAccessOfOracle.RunSQLReturnTable(ToSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
ToDataTable = DBAccessOfODBC.RunSQLReturnTable(ToSQL);
break;
default:
break;
}
#endregion
string SELECTSQL = "";
string InsertSQL = "";
string UpdateSQL = "";
string DeleteSQL = "";
//int i=0;
//int j=0;
int result = 0;
#region 遍历源表
foreach (DataRow FromDR in FromDataTable.Rows)
{
UpdateSQL = "UPDATE " + this.ToTable + " SET ";
foreach (FF ff in this.FFs)
{
switch (ff.DataType)
{
case DataType.AppDateTime:
case DataType.AppString:
UpdateSQL += ff.ToField + "='" + FromDR[ff.FromField].ToString() + "',";
break;
case DataType.AppFloat:
case DataType.AppInt:
case DataType.AppMoney:
case DataType.AppRate:
case DataType.AppDate:
case DataType.AppDouble:
UpdateSQL += ff.ToField + "=" + FromDR[ff.FromField].ToString() + ",";
break;
default:
throw new Exception("没有涉及到的数据类型.");
}
}
UpdateSQL = UpdateSQL.Substring(0, UpdateSQL.Length - 1);
UpdateSQL += " WHERE ";
foreach (FF ff in this.FFs)
{
if (ff.IsPK == false)
{
continue;
}
UpdateSQL += ff.ToField + "='" + FromDR[ff.FromField] + "' AND ";
}
UpdateSQL = UpdateSQL.Substring(0, UpdateSQL.Length - 5);
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
result = DBAccess.RunSQL(UpdateSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
string a = UpdateSQL;
result = DBAccess.RunSQL(UpdateSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
result = DBAccessOfOLE.RunSQL(UpdateSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
result = DBAccessOfOracle.RunSQL(UpdateSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
result = DBAccessOfODBC.RunSQL(UpdateSQL);
break;
default:
break;
}
if (result == 0)
{
//插入操作
InsertSQL = "INSERT INTO " + this.ToTable + "(";
foreach (FF ff in this.FFs)
{
InsertSQL += ff.ToField.ToString() + ",";
}
InsertSQL = InsertSQL.Substring(0, InsertSQL.Length - 1);
InsertSQL += ") values(";
foreach (FF ff in this.FFs)
{
if (ff.DataType == DataType.AppString || ff.DataType == DataType.AppDateTime)
{
InsertSQL += "'" + FromDR[ff.FromField].ToString() + "',";
}
else
{
InsertSQL += FromDR[ff.FromField].ToString() + ",";
}
}
InsertSQL = InsertSQL.Substring(0, InsertSQL.Length - 1);
InsertSQL += ")";
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
DBAccess.RunSQL(InsertSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
DBAccess.RunSQL(InsertSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
DBAccessOfOLE.RunSQL(InsertSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
DBAccessOfOracle.RunSQL(InsertSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
DBAccessOfODBC.RunSQL(InsertSQL);
break;
default:
break;
}
}
}
#endregion
#region 遍历目的表 如果该条记录存在,continue,如果该条记录不存在,则根据主键删除目的表的对应数据
foreach (DataRow ToDR in ToDataTable.Rows)
{
SELECTSQL = "SELECT ";
foreach (FF ff in this.FFs)
{
if (ff.IsPK == false)
{
continue;
}
SELECTSQL += ff.FromField + ",";
}
SELECTSQL = SELECTSQL.Substring(0, SELECTSQL.Length - 1);
SELECTSQL += " FROM " + this.FromTable + " WHERE ";
foreach (FF ff in this.FFs)
{
if (ff.IsPK == false)
{
continue;
}
if (ff.DataType == DataType.AppDateTime)
{
SELECTSQL += " case " +
" when datalength( CONVERT(VARCHAR,datepart(month," + ff.FromField + " )))=1 then datename(year," + ff.FromField + " )+'-'+('0'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " ))) " +
" else " +
" datename(year," + ff.FromField + " )+'-'+CONVERT(VARCHAR,datepart(month," + ff.FromField + " )) " +
" END " +
"='" + ToDR[ff.ToField].ToString() + "' AND ";
}
else
{
if (ff.DataType == DataType.AppString)
{
SELECTSQL += ff.FromField + "='" + ToDR[ff.ToField].ToString() + "' AND ";
}
else
{
SELECTSQL += ff.FromField + "=" + ToDR[ff.ToField].ToString() + " AND ";
}
}
}
SELECTSQL = SELECTSQL.Substring(0, SELECTSQL.Length - 5);
//SELECTSQL+=this.FromWhere;
result = 0;
switch (this.FromDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
result = DBAccess.RunSQLReturnCOUNT(SELECTSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
result = DBAccess.RunSQLReturnCOUNT(SELECTSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
result = DBAccessOfOLE.RunSQLReturnCOUNT(SELECTSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
result = DBAccessOfOracle.RunSQL(SELECTSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
result = DBAccessOfODBC.RunSQLReturnCOUNT(SELECTSQL);
break;
default:
break;
}
if (result != 1)
{
//delete
DeleteSQL = "delete FROM " + this.ToTable + " WHERE ";
foreach (FF ff in this.FFs)
{
if (ff.IsPK == false)
{
continue;
}
if (ff.DataType == DataType.AppString)
{
DeleteSQL += ff.ToField + "='" + ToDR[ff.ToField].ToString() + "' AND ";
}
else
{
DeleteSQL += ff.ToField + "=" + ToDR[ff.ToField].ToString() + " AND ";
}
}
DeleteSQL = DeleteSQL.Substring(0, DeleteSQL.Length - 5);
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
DBAccess.RunSQL(DeleteSQL);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
DBAccess.RunSQL(DeleteSQL);
break;
case DA.DBUrlType.DBAccessOfOLE:
DBAccessOfOLE.RunSQL(DeleteSQL);
break;
case DA.DBUrlType.DBAccessOfOracle:
DBAccessOfOracle.RunSQL(DeleteSQL);
break;
case DA.DBUrlType.DBAccessOfODBC:
DBAccessOfODBC.RunSQL(DeleteSQL);
break;
default:
break;
}
continue;
}
else if (result > 1)
{
throw new Exception("目的数据异常错误＋表名；关键字" + this.ToTable + "关键字" + ToDR[0].ToString());
}
}
#endregion
if (this.UPDATEsql != null)
{
switch (this.ToDBUrl)
{
case DA.DBUrlType.AppCenterDSN:
DBAccess.RunSQL(UPDATEsql);
break;
case DA.DBUrlType.DBAccessOfMSMSSQL:
DBAccess.RunSQL(UPDATEsql);
break;
case DA.DBUrlType.DBAccessOfOLE:
DBAccessOfOLE.RunSQL(UPDATEsql);
break;
case DA.DBUrlType.DBAccessOfOracle:
DBAccessOfOracle.RunSQL(UPDATEsql);
break;
case DA.DBUrlType.DBAccessOfODBC:
DBAccessOfODBC.RunSQL(UPDATEsql);
break;
default:
break;
}
}
this.DoAfter();
}