/// <summary>
/// 分页处理
/// </summary>
/// <param name="sql">SQL语句</param>
/// <param name="index">页索引</param>
/// <param name="pageSize">每面显示记录数</param>
/// <param name="pageCount">总页数</param>
/// <param name="rowCount">总记录数</param>
/// <returns></returns>
public static DataResult BindPaging(string sql, int index, int pageSize, out int pageCount, out int rowCount)
{
if (index > 0)
{//索引从0开始
index = index - 1;
}
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
#region ORACLE
// int rowCount = 0;
// DataTable dt = new DataTable();
try
{
OracleParameter[] param = new OracleParameter[] {
new OracleParameter("pindex", OracleDbType.Int32),
new OracleParameter("psql", OracleDbType.Varchar2,2000),
new OracleParameter("psize", OracleDbType.Int32),
new OracleParameter("pcount", OracleDbType.Int32),
new OracleParameter("prowcount", OracleDbType.Int32),
new OracleParameter("v_cur", OracleDbType.RefCursor) };
param[0].Value = index;
param[1].Value = sql;
param[2].Value = pageSize;
param[0].Direction = ParameterDirection.Input;
param[1].Direction = ParameterDirection.Input;
param[2].Direction = ParameterDirection.Input;
param[3].Direction = ParameterDirection.Output;
param[4].Direction = ParameterDirection.Output;
param[5].Direction = ParameterDirection.Output;
result.DataTable = SMT.OracleDataProvider.ExecuteDataTableByPaging("SMT_P_PAGE.SMT_Paging", param);
pageCount = int.Parse(param[3].Value.ToString());
rowCount = int.Parse(param[4].Value.ToString());
}
catch (OracleException on)
{
pageCount = 0;
rowCount = 0;
result.Error = on.Message;
//throw new Exception(on.Message);
}
return result;
#endregion
}
public static DataResult ExecuteSQL(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);
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>
/// 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>
/// 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;
}
/// <summary>
/// 执行SQL语句返回结果集IDataReader
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public static DataResult GetDataReader(string sql)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql +";";
IDbConn = DataBaseFactory.GetIDbConnection();
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand(IDbConn);
try
{
PrepareCommand(IDbComm, IDbConn, null, CommandType.Text, sql, IDbParams);
result.IDataReader= IDbComm.ExecuteReader();
}
catch (Exception E)
{
result.Error = E.Message;
return result;
}
return result;
// 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;
// // = IDbcmd.ExecuteReader();
// ireader = IDbComm.ExecuteReader((CommandBehavior)((int)CommandBehavior.CloseConnection));
// }
// return ireader;
// }
//catch (Exception e)
// {
// IDbConn.Close();
// return null;
// throw new Exception(e.Message);
// }
}
/// <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;
//}
}
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>
/// 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();
}
}
/// <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="idbconn">IDbConnection</param>
/// <param name="sql">SQL语句</param>
public static DataResult ExecuteSQLByTransaction(IDbCommand iDbComm, string sql)
{
DataResult result = new DataResult();
sql = DataBaseFactory.GetSQL(sql);
result.Sql = sql +";";
try
{
PrepareCommand(iDbComm, iDbComm.Connection, iDbComm.Transaction, CommandType.Text, sql, IDbParams);
int rows = iDbComm.ExecuteNonQuery();
iDbComm.Parameters.Clear();
}
catch (Exception E)
{
iDbComm.Connection.Close();
result.Error = E.Message;
}
return result;
}
/// <summary>
/// 执行SQL语句返回结果集DataTable
/// </summary>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
public static DataResult GetDataTable(string sql)
{
sql = DataBaseFactory.GetSQL(sql);
DataResult result = new DataResult();
result.Sql = sql + ";";
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
using (IDbComm = DataBaseFactory.GetIDbCommand())
{
try
{
IDbParams = null;
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.DataTable = dataSet.Tables[0];
result.RecordCount = dataSet.Tables[0].Rows.Count;
}
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.Tables[0];
//}
}