using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.Common;
using System.Collections;
using System.Data.OracleClient;
using System.Configuration;
namespace Common.Dba
{
public class DbOracleData : DbAccess
{
new OracleCommand cmd = null;
public DbOracleData()
{
//
// TODO: 在此處添加構(gòu)造函數(shù)邏輯
//
conn = new OracleConnection();
conn.ConnectionString = ConnectionString;//Convert.ToString(System.Configuration.ConfigurationSettings.AppSettings["datasource"]);
//conn.ConnectionString = "initial catalog=idyan_new;data source=.;user id=bt;password=btbtbtbt;Connect Timeout=5000";
cmd = new OracleCommand();
cmd.Connection = conn as OracleConnection;
cmd.CommandTimeout = 0;
}
public DbOracleData(string constr)
{
//
// TODO: 在此處添加構(gòu)造函數(shù)邏輯
//
conn = new OracleConnection();
//conn.ConnectionString = "initial catalog=pubs;data source=.;user id=sa;password=";
//conn.ConnectionString = Convert.ToString(System.Configuration.ConfigurationSettings.AppSettings["datasource"]);
conn.ConnectionString = constr;// "initial catalog=idyan_new;data source=.;user id=bt;password=btbtbtbt";
cmd = new OracleCommand();
cmd.Connection = conn as OracleConnection;
cmd.CommandTimeout = 0;
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)Oracle語句
/// </summary>
/// <param name="Oracle"></param>
/// <returns></returns>
public override DataTable GetTable(string sql)
{
DataSet ds = new DataSet();
try
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds.Tables[0] ?? new DataTable();
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public override DataSet GetDataSet(string sql)
{
DataSet ds = new DataSet();
try
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds;
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public override DataSet GetDataSet(string sql, DbParameter[] pas)
{
DataSet ds = new DataSet();
try
{
cmd.Parameters.Clear();
cmd.CommandText = sql;
foreach (OracleParameter pa in pas)
{
cmd.Parameters.Add(pa);
}
cmd.CommandType = CommandType.Text;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds;
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句 帶參數(shù) 的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override DataTable GetTable(string sql, params DbParameter[] pas)
{
DataSet ds = new DataSet();
try
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds.Tables[0] ?? new DataTable();
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句 帶參數(shù) 的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override DataTable GetProcTable(string procname, params DbParameter[] pas)
{
DataSet ds = new DataSet();
try
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = procname;
//cmd.CommandText = sql;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds.Tables[0] ?? new DataTable();
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句 帶參數(shù) 的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override DataTable GetProcCursorTable(string procname, params DbParameter[] pas)
{
DataSet ds = new DataSet();
try
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = procname;
//cmd.CommandText = sql;
OracleDataAdapter da = new OracleDataAdapter();
da.SelectCommand = cmd;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
da.Fill(ds);
}
catch (Exception ex)
{
return null;
}
return ds.Tables[1] ?? new DataTable();
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句 帶參數(shù) 的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override int GetProcState(string procname, params DbParameter[] pas)
{
int state = 0;
try
{
OpenConn();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = procname;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
cmd.ExecuteNonQuery();
CloseConn();
state = Convert.ToInt32(pas[pas.Length - 1].Value);
}
catch
{
return 0;
}
return state;
}
/// <summary>
/// 獲取數(shù)據(jù)根據(jù)sql語句 帶參數(shù) 的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override int GetProcStateNo(string procname, params DbParameter[] pas)
{
int state = 0;
try
{
OpenConn();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = procname;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
cmd.ExecuteNonQuery();
CloseConn();
state = 1;
// state = Convert.ToInt32(pas[pas.Length - 1].Value);
}
catch
{
return 0;
}
return state;
}
/// <summary>
/// 存儲過程返回值的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override string GetProcStateReturnValue(string procname, params DbParameter[] pas)
{
string state = "";
try
{
OpenConn();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = procname;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
cmd.Parameters.AddWithValue("@Return_Value", "").Direction = ParameterDirection.ReturnValue;
cmd.ExecuteNonQuery();
state = Convert.ToString(cmd.Parameters["@Return_Value"].Value);
state = state == null ? ("") : (state);
CloseConn();
// state = Convert.ToInt32(pas[pas.Length - 1].Value);
}
catch
{
return "";
}
return state;
}
/// <summary>
/// 根據(jù)sql語句返回跟新狀態(tài)
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public override bool GetState(string sql)
{
bool succ = false;
try
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
OpenConn();
succ = cmd.ExecuteNonQuery() > 0 ? (true) : (false);
CloseConn();
}
catch (Exception ex)
{
return false;
}
return succ;
}
/// <summary>
/// 根據(jù)sql語句返回跟新狀態(tài)帶參數(shù)的
/// </summary>
/// <param name="sql">sql語句</param>
/// <param name="pas">參數(shù)的集合</param>
/// <returns></returns>
public override bool GetState(string sql, params DbParameter[] pas)
{
bool succ = false;
try
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
OpenConn();
succ = cmd.ExecuteNonQuery() > 0 ? (true) : (false);
CloseConn();
}
catch
{
// this.ShowError(ex.Message);
//using (System.IO.StreamWriter sw = new System.IO.StreamWriter("D:\\error2008.txt"))
//{
// sw.Write(ex.Message);
// sw.Flush();
//}
return false;
}
return succ;
}
/// <summary>
/// 根據(jù)sql語句返回第一個單元格的數(shù)據(jù)
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public override string GetOne(string sql)
{
string res = "";
try
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
OpenConn();
res = cmd.ExecuteScalar() == null ? ("") : (Convert.ToString(cmd.ExecuteScalar()));
CloseConn();
}
catch (Exception ex)
{
return null;
}
return res;
}
/// <summary>
/// 根據(jù)sql語句返回第一個單元格的數(shù)據(jù)帶參數(shù)的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override string GetOne(string sql, params DbParameter[] pas)
{
string res = "";
try
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
OpenConn();
res = cmd.ExecuteScalar() == null ? ("") : (Convert.ToString(cmd.ExecuteScalar()));
CloseConn();
}
catch (Exception ex)
{
CloseConn();
return null;
}
return res;
}
/// <summary>
/// 返回數(shù)據(jù)的DataReader
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public override DbDataReader GetDataReader(string sql)
{
OracleDataReader dr = null;
try
{
cmd.CommandType = CommandType.Text;
conn.Open();
cmd.CommandText = sql;
dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
}
catch (Exception ex)
{
return null;
}
return dr;
}
/// <summary>
/// 返回數(shù)據(jù)的DataReader帶參數(shù)的
/// </summary>
/// <param name="sql"></param>
/// <param name="pas"></param>
/// <returns></returns>
public override DbDataReader GetDataReader(string sql, params DbParameter[] pas)
{
OracleDataReader dr = null;
try
{
cmd.CommandType = CommandType.Text;
conn.Open();
cmd.Parameters.Clear();
foreach (OracleParameter temppa in pas)
{
cmd.Parameters.Add(temppa);
}
cmd.CommandText = sql;
dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
}
catch (Exception ex)
{
return null;
}
return dr;
}
/// <summary>
/// 事務(wù)處理函數(shù)
/// </summary>
/// <param name="al"></param>
/// <returns></returns>
public override bool GetTranState(ArrayList al)
{
cmd.CommandType = CommandType.Text;
OpenConn();
OracleTransaction tran = (conn as OracleConnection).BeginTransaction();
cmd.Transaction = tran;
try
{
for (int i = 0; i < al.Count; i++)
{
cmd.CommandText = Convert.ToString(al[i]);
cmd.ExecuteNonQuery();
}
tran.Commit();
CloseConn();
}
catch
{
tran.Rollback();
CloseConn();
return false;
}
return true;
}
/// <summary>
/// 分頁函數(shù)
/// </summary>
/// <param name="pagesize"></param>
/// <param name="columns"></param>
/// <param name="tablename"></param>
/// <param name="pid"></param>
/// <param name="order"></param>
/// <param name="current"></param>
/// <returns></returns>
public override DataTable GetPageData(int current, int pagesize, string columns, string tablename, string pid, string where, string order)
{
current = current - 1 >= 0 ? (current - 1) : (0);
string sql = string.Format("select top {0} {1} from {2} where 1=1 and {3} not in(select top {4}{3} from {2} where 1=1{5} order by {6}){5} order by {6}", pagesize, columns, tablename, pid, current * pagesize, where, order);
return GetTable(sql);
}
/// <summary>
/// 分頁存儲過程的調(diào)用
/// </summary>
/// <param name="current"></param>
/// <param name="pagesize"></param>
/// <param name="columns"></param>
/// <param name="tablename"></param>
/// <param name="pid"></param>
/// <param name="where"></param>
/// <param name="order"></param>
/// <returns></returns>
public override DataTable GetProcPageData(int current, int pagesize, string columns, string tablename, string pid, string where, string order, string ordertype)
{
OracleParameter[] pas = { new OracleParameter("@PageIndex", current), new OracleParameter("@PageSize", pagesize), new OracleParameter("@Columns", columns), new OracleParameter("@Tablename", tablename), new OracleParameter("@Where", where), new OracleParameter("@Order", order), new OracleParameter("@OrderType", ordertype), new OracleParameter("@Pid", pid) };
return GetProcTable("Pages", pas);
//current = current - 1 >= 0 ? (current - 1) : (0);
//string sql = string.Format("select top {0} {1} from {2} where 1=1 and {3} not in(select top {4}{3} from {2} where 1=1{5} order by {6}){5} order by {6}", pagesize, columns, tablename, pid, current * pagesize, where, order);
//return GetTable(sql);
}
/// <summary>
/// 分頁存儲過程的調(diào)用
/// </summary>
/// <param name="current"></param>
/// <param name="pagesize"></param>
/// <param name="columns"></param>
/// <param name="tablename"></param>
/// <param name="pid"></param>
/// <param name="where"></param>
/// <param name="order"></param>
/// <returns></returns>
public override DataTable GetProcData(int current, int pagesize, string columns, string tablename, string pid, string where, string order, string resultCount, string distinct)
{
OracleParameter[] pas = { new OracleParameter("@TableNames", OracleType.NVarChar, 200), new OracleParameter("@PrimaryKey", OracleType.NVarChar, 100), new OracleParameter("@Order", OracleType.NVarChar, 200), new OracleParameter("@CurrentPage", OracleType.Number), new OracleParameter("@PageSize", OracleType.Number), new OracleParameter("@Fields", OracleType.NVarChar, 800), new OracleParameter("@Filter", OracleType.NVarChar, 1000), new OracleParameter("@ResultCount", OracleType.NVarChar, 12), new OracleParameter("@distinct", OracleType.NVarChar, 12) };
pas[0].Value = tablename;
pas[1].Value = pid;
pas[2].Value = order;
pas[3].Value = current;
pas[4].Value = pagesize;
pas[5].Value = columns;
pas[6].Value = where;
pas[7].Value = resultCount;
pas[8].Value = distinct;
return this.GetProcTable("Pages", pas);
}
/// <summary>
/// 分頁存儲過程的調(diào)用
/// </summary>
/// <param name="current"></param>
/// <param name="pagesize"></param>
/// <param name="columns"></param>
/// <param name="tablename"></param>
/// <param name="pid"></param>
/// <param name="where"></param>
/// <param name="order"></param>
/// <returns></returns>
public override DataTable GetProcAdminData(int current, int pagesize, string columns, string tablename, string pid, string where, string order, string resultCount, string distinct)
{
OracleParameter[] pas = { new OracleParameter("@TableNames", OracleType.NVarChar, 200), new OracleParameter("@PrimaryKey", OracleType.NVarChar, 100), new OracleParameter("@Order", OracleType.NVarChar, 200), new OracleParameter("@CurrentPage", OracleType.Number), new OracleParameter("@PageSize", OracleType.Number), new OracleParameter("@Fields", OracleType.NVarChar, 800), new OracleParameter("@Filter", OracleType.NVarChar, 200), new OracleParameter("@ResultCount", OracleType.NVarChar, 24), new OracleParameter("@Distinct", OracleType.NVarChar, 12) };
pas[0].Value = tablename;
pas[1].Value = pid;
pas[2].Value = order;
pas[3].Value = current;
pas[4].Value = pagesize;
pas[5].Value = columns;
pas[6].Value = where;
pas[7].Value = resultCount;
pas[8].Value = distinct;
return this.GetProcTable("Pages", pas);
}
public override DbParameter[] MakeParameters(params string[] str)
{
OracleParameter[] pas = new OracleParameter[str.Length / 2];
for (int i = 0; i < str.Length / 2; i++)
{
pas[i] = new OracleParameter(string.Format(":{0}", str[2 * i]), str[2 * i + 1]);
}
return pas;
}
}
}
posted on 2009-09-02 11:06
sanmao 閱讀(298)
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