/// <summary>
/// 执行返回一条记录的泛型对象
/// </summary>
/// <typeparam name="T">泛型类型</typeparam>
/// <param name="commandText">Oracle语句或存储过程名</param>
/// <param name="commandType">Oracle命令类型</param>
/// <param name="param">Oracle命令参数数组</param>
/// <returns>实体对象</returns>
public static T ExecuteEntity <T>(string commandText, CommandType commandType, params OracleParameter[] param)
{
T obj = default(T);
try
{
using (OracleCommand cmd = new OracleCommand(commandText, SqlHelper4.Con))
{
cmd.CommandType = commandType;
cmd.Parameters.AddRange(param);
SqlHelper4.Con.Open();
OracleDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
while (reader.Read())
{
obj = SqlHelper4.ExecuteDataReader <T>(reader);
}
}
}
finally
{
if (SqlHelper4.Con.State != ConnectionState.Closed)
{
SqlHelper4.Con.Close();
}
}
return(obj);
}
/// <summary>
/// 执行返回多条记录的泛型集合对象
/// </summary>
/// <typeparam name="T">泛型类型</typeparam>
/// <param name="commandText">Oracle语句或存储过程名</param>
/// <param name="commandType">Oracle命令类型</param>
/// <param name="param">Oracle命令参数数组</param>
/// <returns>泛型集合对象</returns>
public static List <T> ExecuteList <T>(string commandText, CommandType commandType, params OracleParameter[] param)
{
List <T> list = new List <T>();
try
{
using (OracleCommand cmd = new OracleCommand(commandText, SqlHelper4.Con))
{
try
{
cmd.CommandType = commandType;
if (param != null)
{
cmd.Parameters.AddRange(param);
}
SqlHelper4.Con.Open();
OracleDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
while (reader.Read())
{
T obj = SqlHelper4.ExecuteDataReader <T>(reader);
list.Add(obj);
}
}
catch (Exception ex)
{
list = null;
}
}
}
finally
{
if (SqlHelper4.Con.State != ConnectionState.Closed)
{
SqlHelper4.Con.Close();
}
}
return(list);
}