Oracle 数据库操作类

我有对Oracle最基本的数据库操作做了最为简单的归类，希望可以对后来者有所参考。另外，这个类需要有日志记录类(日志记录在Xml文档中)，我会在后面的文中在贴出来。

代码如下:
using System;
using System.Data;
using System.Configuration;
using System.Data.OracleClient;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using Transactions;
///

/// DB 的摘要说明 Written By Luos.Luo ,the creator of SalePlayer.Com
///

public class MyOraDB
{
public MyOraDB()
{
}
public int ExcuteSqlWithNoQuery(string vSql)
{
int vI = 0;
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleCommand vOracleCmd = new OracleCommand();
vOracleCmd.Connection = vOracleConn;
vOracleCmd.CommandText = vSql;
vOracleCmd.CommandType = CommandType.Text;
vI = vOracleCmd.ExecuteNonQuery();
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("MyOraDB", vSql, ex);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vI;
}
public int ExcuteSqlWithSingleNum(string vSql)
{
int vI = 0;
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleDataReader vOracleDataReader = CreateOracleDataReader(vSql);
while (vOracleDataReader.Read())
{
vI = vOracleDataReader.GetInt32(0);
}
vOracleDataReader.Close();
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("MyOraDB", vSql, ex);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vI;
}
public string ExcuteSqlWithSingleString(string vSql)
{
StringBuilder vTempStrBld = new StringBuilder();
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleDataReader vOracleDataReader = CreateOracleDataReader(vSql);
while (vOracleDataReader.Read())
{
vTempStrBld.Append(vOracleDataReader.GetString(0));
}
vOracleDataReader.Close();
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("MyOraDB", vSql, ex);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vTempStrBld.ToString();
}
public DataTable ExcuteSqlWithDataTable(string vSql)
{
DataTable vDataTable = new DataTable();
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleDataAdapter vOracleDataAdapter = new OracleDataAdapter(vSql, vOracleConn);
vOracleDataAdapter.Fill(vDataTable);
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("MyOraDB", vSql, ex);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vDataTable;
}
public DataSet ExcuteSqlWithDataSet(string vSql)
{
DataSet vDataSet = new DataSet();
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleDataAdapter vOracleDataAdapter = new OracleDataAdapter(vSql, vOracleConn);
vOracleDataAdapter.Fill(vDataSet);
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("MyOraDB", vSql, ex);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vDataSet;
}
public string ExcuteSqlTransactionWithString(string[] vSqlArray)
{
int vI = vSqlArray.Length;
string vSql = string.Empty;
OracleConnection vOracleConn = OpenOracleDBConn();
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleTransaction vOracleTrans = vOracleConn.BeginTransaction(IsolationLevel.ReadCommitted);
OracleCommand vOracleCmd = new OracleCommand();
vOracleCmd.Connection = vOracleConn;
vOracleCmd.Transaction = vOracleTrans;
try
{
for (int i = 0; i < vI; i++)
{
if (string.IsNullOrEmpty(vSqlArray[i]) == false)
{
vSql = vSqlArray[i];
vOracleCmd.CommandText = vSql;
vOracleCmd.ExecuteNonQuery();
}
}
vOracleTrans.Commit();
}
catch (Exception ex)
{
vOracleTrans.Rollback();
CloseOracleDBConn(vOracleConn);
MyLog vMyLog = new MyLog();
vMyLog.WriteLog("", vSql, ex);
return ex.Message;
}
CloseOracleDBConn(vOracleConn);
return "SUCCESS";
}
public void ExcuteProcedureWithNonQuery(string vProcedureName, OracleParameter[] parameters)
{
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleCommand vOracleCmd = new OracleCommand();
vOracleCmd.Connection = vOracleConn;
vOracleCmd.CommandText = vProcedureName;
vOracleCmd.CommandType = CommandType.StoredProcedure;
foreach (OracleParameter parameter in parameters)
{
vOracleCmd.Parameters.Add(parameter);
}
vOracleCmd.ExecuteNonQuery();
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
WriteLog("异常信息:ExcuteProcedureWithNonQuery:" + ex.Message);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
}
public string ExcuteProcedureWithSingleString(string vProcedureName, OracleParameter[] parameters)
{
string vTempStr = string.Empty;
OracleParameter vOutMessage;
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleCommand vOracleCmd = new OracleCommand();
vOracleCmd.Connection = vOracleConn;
vOracleCmd.CommandText = vProcedureName;
vOracleCmd.CommandType = CommandType.StoredProcedure;
vOutMessage = new OracleParameter("O_FLAG", OracleType.VarChar);
vOutMessage.Direction = ParameterDirection.Output;
vOutMessage.Size = 100;
vOracleCmd.Parameters.Add(vOutMessage);
foreach (OracleParameter parameter in parameters)
{
vOracleCmd.Parameters.Add(parameter);
}
vOracleCmd.ExecuteNonQuery();
vOracleCmd.Dispose();
vOracleCmd = null;
vTempStr = vOutMessage.Value.ToString();
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
WriteLog("异常信息:ExcuteProcedureWithNonQuery:" + ex.Message);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vTempStr;
}
public int ExcuteProcedureWithSingleNum(string vProcedureName, OracleParameter[] parameters)
{
int vI = 0;
OracleParameter vOutMessage;
OracleConnection vOracleConn = OpenOracleDBConn();
try
{
if (vOracleConn.State != ConnectionState.Open)
{
vOracleConn.Open();
}
OracleCommand vOracleCmd = new OracleCommand();
vOracleCmd.Connection = vOracleConn;
vOracleCmd.CommandText = vProcedureName;
vOracleCmd.CommandType = CommandType.StoredProcedure;
vOutMessage = new OracleParameter("O_FLAG", OracleType.Int32);
vOutMessage.Direction = ParameterDirection.Output;
vOutMessage.Size = 100;
vOracleCmd.Parameters.Add(vOutMessage);
foreach (OracleParameter parameter in parameters)
{
vOracleCmd.Parameters.Add(parameter);
}
vOracleCmd.ExecuteNonQuery();
vOracleCmd.Dispose();
vOracleCmd = null;
vI = System.Convert.ToInt32(vOutMessage.Value);
}
catch (Exception ex)
{
MyLog vMyLog = new MyLog();
WriteLog("异常信息:ExcuteProcedureWithNonQuery:" + ex.Message);
}
finally
{
CloseOracleDBConn(vOracleConn);
}
return vI;
}
///

/// Creates the parameter.
///

/// Th