/// <summary>
/// 执行SQL语句返回结果集object
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public static object ExecuteScalar(string sql, params IDbDataParameter[] cmdParms)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
object rows = IDbComm.ExecuteScalar();
IDbConn.Close();
IDbComm.Parameters.Clear();
return(rows);
}
catch (Exception E)
{
IDbConn.Close();
return(null);
throw new Exception(E.Message);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句,并返加影响的行数
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public int ExecuteNonQuery(string sql, params IDbDataParameter[] cmdParms)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
int rows = IDbComm.ExecuteNonQuery();
IDbConn.Close();
IDbComm.Parameters.Clear();
return(rows);
}
catch (Exception E)
{
IDbConn.Close();
return(0);
throw new Exception(E.Message);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句返回结果集DataSet
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public DataSet GetDataSet(string sql, params IDbDataParameter[] cmdParms)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
IDbDataAdapter dataAdapter = DataBaseFactory.GetIDbDataAdapter();
dataAdapter.SelectCommand = IDbComm;
DataSet dataSet = new DataSet();
dataAdapter.Fill(dataSet);
IDbComm.Parameters.Clear();
return(dataSet);
}
catch (Exception E)
{
IDbConn.Close();
return(null);
throw new Exception(E.Message);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句,并返加影响的行数
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public int ExecuteNonQuery(string sql)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand(sql))
{
try
{
int rows = IDbComm.ExecuteNonQuery();
IDbConn.Close();
return(rows);
}
catch (Exception E)
{
IDbConn.Close();
return(0);
throw new Exception(E.Message);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句返回结果集DataSet
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public DataSet GetDataSet(string sql)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
DataSet dataset = new DataSet();
try
{
IDbComm = DataBaseFactory.GetIDbCommand(sql);
//IDbComm.CommandText = sql;
//IDbComm.CommandType = CommandType.Text;
IDbAdpter = DataBaseFactory.GetIDbDataAdapter(IDbComm);
//IDbAdpter.SelectCommand = IDbComm;
IDbAdpter.Fill(dataset);
}
catch (Exception e)
{
IDbConn.Close();
throw new Exception(e.Message);
}
finally
{
IDbConn.Close();
}
return(dataset);
}
}
/// <summary>
/// 执行SQL语句返回结果中上的第一行第一列的值,忽略额外的列和行
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public object ExecuteScalar(string sql)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand(sql))
{
try
{
//IDbComm.CommandText = sql;
//IDbComm.CommandType = CommandType.Text;
object rows = IDbComm.ExecuteScalar();
IDbConn.Close();
return(rows);
}
catch (Exception E)
{
IDbConn.Close();
return(null);
throw new Exception(E.Message);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句,并返加影响的行数
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public static DataResult ExecuteNonQuery(string sql, params IDbDataParameter[] cmdParms)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
result.IDbDataParameter = cmdParms;
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
int rows = IDbComm.ExecuteNonQuery();
IDbConn.Close();
IDbComm.Parameters.Clear();
result.RecordCount = rows;
return(result);
}
catch (Exception E)
{
IDbConn.Close();
result.RecordCount = 0;
result.Error = E.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句返回结果集IDataReader
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public static DataResult GetDataReader(string sql, params IDbDataParameter[] cmdParms)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
result.IDbDataParameter = cmdParms;
try
{
if (IDbConn == null || IDbConn.State == ConnectionState.Closed)
{
IDbConn = DataBaseFactory.GetIDbConnection();
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand();
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
// = IDbcmd.ExecuteReader();
result.IDataReader = IDbComm.ExecuteReader((CommandBehavior)((int)CommandBehavior.CloseConnection));
return(result);
// IDbComm.Parameters.Clear();
}
else
{
return(result);
}
}
catch (Exception e)
{
IDbConn.Close();
result.Error = e.Message;
return(result);
}
}
/// <summary>
/// 执行SQL语句,并返加影响的行数
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public static DataResult ExecuteNonQuery(string sql)
{
DataResult result = new DataResult();
result.Sql = sql + ";";
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand(sql))
{
try
{
int rows = IDbComm.ExecuteNonQuery();
IDbConn.Close();
result.RecordCount = rows;
}
catch (Exception E)
{
result.Error = E.Message;
IDbConn.Close();
result.RecordCount = 0;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
return(result);
}
/// <summary>
/// 执行SQL语句返回结果集DataSet
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public static DataResult GetDataSet(string sql)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, IDbParams);
IDbDataAdapter dataAdapter = DataBaseFactory.GetIDbDataAdapter();
dataAdapter.SelectCommand = IDbComm;
DataSet dataSet = new DataSet();
dataAdapter.Fill(dataSet);
IDbComm.Parameters.Clear();
result.DataSet = dataSet;
}
catch (Exception E)
{
IDbConn.Close();
result.Error = E.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
return(result);
//using (IDbConn = DataBaseFactory.GetIDbConnection())
//{
// IDbConn.Open();
// DataSet dataset = new DataSet();
// try
// {
// IDbComm = DataBaseFactory.GetIDbCommand(sql);
// //IDbComm.CommandText = sql;
// //IDbComm.CommandType = CommandType.Text;
// IDbAdpter = DataBaseFactory.GetIDbDataAdapter(IDbComm);
// //IDbAdpter.SelectCommand = IDbComm;
// IDbAdpter.Fill(dataset);
// }
// catch (Exception e)
// {
// IDbConn.Close();
// throw new Exception(e.Message);
// }
// finally
// {
// IDbConn.Close();
// }
// return dataset;
//}
}
/// <summary>
/// 关闭数据库连接
/// </summary>
public void Close()
{
if (IDbConn != null)
{
if (IDbConn.State == ConnectionState.Open)
{
IDbConn.Close();
IDbConn.Dispose();
}
IDbConn = null;
IDbComm = null;
IDbAdpter = null;
IDbTrans = null;
}
}
/// <summary>
/// 通过事务提执行SQL语句(必须放在BeginTransaction()方法与CommitTransaction()方法中间)
/// </summary>
/// <param name="sql">SQL语句</param>
public static DataResult ExecuteSQLByTransaction(string sql)
{
DataResult result = new DataResult();
sql = DataBaseFactory.GetSQL(sql);
result.Sql = sql + ";";
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, IDbParams);
int rows = IDbComm.ExecuteNonQuery();
IDbComm.Parameters.Clear();
}
catch (Exception E)
{
result.Error = E.Message;
IDbConn.Close();
}
return(result);
}
/// <summary>
/// 通过事务执行多条SQL语句
/// </summary>
/// <param name="sqlList">SQL语句集</param>
/// <returns></returns>
public static DataResult ExecuteByTransaction(List <string> sqlList)
{
DataResult result = new DataResult();
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand();
IDbComm.Connection = IDbConn;
IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);// DataBaseFactory.GetIDbTransaction();
if (IDbTrans != null)
{
IDbComm.Transaction = IDbTrans;
// IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);
}
try
{
for (int i = 0; i < sqlList.Count; i++)
{
string str = sqlList[i].ToString();
if (str.Trim().Length > 1)
{
IDbComm.CommandText = str;
result.RecordCount += IDbComm.ExecuteNonQuery();
}
}
IDbTrans.Commit();
return(result);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
result.Error = exception.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
/// <summary>
/// 通过事务执行多条SQL语句
/// </summary>
/// <param name="sqlList">SQL语句集</param>
/// <returns></returns>
public bool ExecuteByTransaction(List <string> sqlList)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand();
IDbComm.Connection = IDbConn;
IDbTrans = IDbConn.BeginTransaction();// DataBaseFactory.GetIDbTransaction();
if (IDbTrans != null)
{
IDbComm.Transaction = IDbTrans;
IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);
}
try
{
for (int i = 0; i < sqlList.Count; i++)
{
string str = sqlList[i].ToString();
if (str.Trim().Length > 1)
{
IDbComm.CommandText = str;
IDbComm.ExecuteNonQuery();
}
}
IDbTrans.Commit();
return(true);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
return(false);
throw new Exception(exception.Message);
}
finally
{
IDbConn.Close();
}
}
}
/// <summary>
/// 提交事务
/// </summary>
public static DataResult CommitTransaction()
{
DataResult result = new DataResult();
try
{
IDbTrans.Commit();
return(result);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
result.Error = exception.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
public static DataResult ExistsRecord(string sql)
{
DataResult result = new DataResult();
result.Sql = sql + ";";
IDataReader ireader = null;
try
{
if (IDbConn == null || IDbConn.State == ConnectionState.Closed)
{
IDbConn = DataBaseFactory.GetIDbConnection();
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand(sql);
//IDbComm.CommandText = sql;
//IDbComm.CommandType = CommandType.Text;
ireader = IDbComm.ExecuteReader();
if (ireader.Read())
{
result.RecordCount = 1;
}
else
{
result.RecordCount = 0;
}
}
else
{
result.RecordCount = 1;
}
}
catch (Exception e)
{
IDbConn.Close();
result.Error = e.Message;
return(result);
}
return(result);
}
/// <summary>
/// 执行SQL语句返回结果集DataSet
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="cmdParms">参数</param>
/// <returns></returns>
public static DataResult GetDataSet(string sql, params IDbDataParameter[] cmdParms)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
result.IDbDataParameter = cmdParms;
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, cmdParms);
IDbDataAdapter dataAdapter = DataBaseFactory.GetIDbDataAdapter();
dataAdapter.SelectCommand = IDbComm;
DataSet dataSet = new DataSet();
dataAdapter.Fill(dataSet);
IDbComm.Parameters.Clear();
result.DataSet = dataSet;
}
catch (Exception E)
{
IDbConn.Close();
result.Error = E.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
return(result);
}
