412 lines
16 KiB
C#
412 lines
16 KiB
C#
using Epost.Common;
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.Configuration;
|
||
using System.Data;
|
||
using System.Data.OracleClient;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
|
||
namespace Epost.DAL
|
||
{
|
||
public class OrcaleDB
|
||
{
|
||
//数据库连接字符串
|
||
private readonly static string connstr = ConfigurationManager.ConnectionStrings["OraMidConnString"].ConnectionString;
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回受影响的行数
|
||
/// </summary>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作影响的数据行数</returns>
|
||
internal static int ExecuteNonQuery(string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
int result = 0;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, CommandType.Text, cmdText, commandParameters);
|
||
result = command.ExecuteNonQuery();
|
||
command.Parameters.Clear();
|
||
}
|
||
catch
|
||
{
|
||
//throw;
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库事务查询操作,返回受影响的行数
|
||
/// </summary>
|
||
/// <param name="transaction">数据库事务对象</param>
|
||
/// <param name="cmdType">Command类型</param>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前事务查询操作影响的数据行数</returns>
|
||
internal static string ExecuteNonQueryProd(CommandType cmdType, string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
int result = 0;
|
||
string res = "1";
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, cmdType, cmdText, commandParameters);
|
||
result = command.ExecuteNonQuery();
|
||
command.Parameters.Clear();
|
||
string IN_SKU = command.Parameters["IN_SKU"].Value.ToString();
|
||
string OUT_Return_Code = command.Parameters["OUT_Return_Code"].Value.ToString();
|
||
if (!string.IsNullOrEmpty(OUT_Return_Code))
|
||
{
|
||
if (OUT_Return_Code.Substring(0, 3) == "000")
|
||
{
|
||
LogHelper.WriteLogInfo("调用存储过程成功！！" + OUT_Return_Code);
|
||
res = IN_SKU;
|
||
}
|
||
else {
|
||
LogHelper.WriteLogInfo("调用存储过程失败！！" + OUT_Return_Code);
|
||
res = "1";
|
||
}
|
||
}
|
||
return res;
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误："+ex.Message);
|
||
//throw;
|
||
}
|
||
finally
|
||
{
|
||
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回受影响的行数
|
||
/// </summary>
|
||
/// <param name="connection">Oracle数据库连接对象</param>
|
||
/// <param name="cmdType">Command类型</param>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作影响的数据行数</returns>
|
||
internal static int ExecuteNonQuery(OracleConnection connection, CommandType cmdType, string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("当前数据库连接不存在");
|
||
OracleCommand command = new OracleCommand();
|
||
int result = 0;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, cmdType, cmdText, commandParameters);
|
||
result = command.ExecuteNonQuery();
|
||
command.Parameters.Clear();
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
//throw;
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回OracleDataReader类型的内存结果集
|
||
/// </summary>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作返回的OracleDataReader类型的内存结果集</returns>
|
||
internal static OracleDataReader ExecuteReader(string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
OracleDataReader reader = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, CommandType.Text, cmdText, commandParameters);
|
||
reader = command.ExecuteReader(CommandBehavior.CloseConnection);
|
||
command.Parameters.Clear();
|
||
return reader;
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
return null;
|
||
|
||
//throw;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回DataSet类型的结果集
|
||
/// </summary>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作返回的DataSet类型的结果集</returns>
|
||
internal static DataSet ExecuteDataSet(string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
DataSet dataset = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, CommandType.Text, cmdText, commandParameters);
|
||
OracleDataAdapter adapter = new OracleDataAdapter();
|
||
adapter.SelectCommand = command;
|
||
dataset = new DataSet();
|
||
adapter.Fill(dataset);
|
||
command.Parameters.Clear();
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
//throw;
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return dataset;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回DataTable类型的结果集
|
||
/// </summary>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作返回的DataTable类型的结果集</returns>
|
||
internal static DataTable ExecuteDataTable(string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
DataTable table = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, CommandType.Text, cmdText, commandParameters);
|
||
OracleDataAdapter adapter = new OracleDataAdapter();
|
||
adapter.SelectCommand = command;
|
||
table = new DataTable();
|
||
adapter.Fill(table);
|
||
command.Parameters.Clear();
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
//throw;
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return table;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回结果集中位于第一行第一列的Object类型的值
|
||
/// </summary>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作返回的结果集中位于第一行第一列的Object类型的值</returns>
|
||
internal static object ExecuteScalar(string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
OracleCommand command = new OracleCommand();
|
||
OracleConnection connection = new OracleConnection(connstr);
|
||
object result = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, CommandType.Text, cmdText, commandParameters);
|
||
result = command.ExecuteScalar();
|
||
command.Parameters.Clear();
|
||
}
|
||
catch
|
||
{
|
||
//throw;
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库事务查询操作,返回结果集中位于第一行第一列的Object类型的值
|
||
/// </summary>
|
||
/// <param name="transaction">一个已存在的数据库事务对象</param>
|
||
/// <param name="commandType">命令类型</param>
|
||
/// <param name="commandText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前事务查询操作返回的结果集中位于第一行第一列的Object类型的值</returns>
|
||
internal static object ExecuteScalar(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("当前数据库事务不存在");
|
||
OracleConnection connection = transaction.Connection;
|
||
if (connection == null) throw new ArgumentException("当前事务所在的数据库连接不存在");
|
||
|
||
OracleCommand command = new OracleCommand();
|
||
object result = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, transaction, commandType, commandText, commandParameters);
|
||
result = command.ExecuteScalar();
|
||
command.Parameters.Clear();
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
|
||
// throw;
|
||
}
|
||
finally
|
||
{
|
||
transaction.Dispose();
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库查询操作,返回结果集中位于第一行第一列的Object类型的值
|
||
/// </summary>
|
||
/// <param name="connection">数据库连接对象</param>
|
||
/// <param name="cmdType">Command类型</param>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
/// <returns>当前查询操作返回的结果集中位于第一行第一列的Object类型的值</returns>
|
||
internal static object ExecuteScalar(OracleConnection connection, CommandType cmdType, string cmdText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentException("当前数据库连接不存在");
|
||
OracleCommand command = new OracleCommand();
|
||
object result = null;
|
||
|
||
try
|
||
{
|
||
PrepareCommand(command, connection, null, cmdType, cmdText, commandParameters);
|
||
result = command.ExecuteScalar();
|
||
command.Parameters.Clear();
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
LogHelper.WriteLogInfo("Oracle数据库执行错误：" + ex.Message);
|
||
|
||
//throw;
|
||
}
|
||
finally
|
||
{
|
||
command.Dispose();
|
||
connection.Close();
|
||
connection.Dispose();
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行数据库命令前的准备工作
|
||
/// </summary>
|
||
/// <param name="command">Command对象</param>
|
||
/// <param name="connection">数据库连接对象</param>
|
||
/// <param name="trans">事务对象</param>
|
||
/// <param name="cmdType">Command类型</param>
|
||
/// <param name="cmdText">Oracle存储过程名称或PL/SQL命令</param>
|
||
/// <param name="commandParameters">命令参数集合</param>
|
||
private static void PrepareCommand(OracleCommand command, OracleConnection connection, OracleTransaction trans, CommandType cmdType, string cmdText, OracleParameter[] commandParameters)
|
||
{
|
||
|
||
if (connection.State != ConnectionState.Open) connection.Open();
|
||
command.Connection = connection;
|
||
command.CommandText = cmdText;
|
||
command.CommandType = cmdType;
|
||
if (trans != null) command.Transaction = trans;
|
||
if (commandParameters != null)
|
||
{
|
||
foreach (OracleParameter parm in commandParameters)
|
||
command.Parameters.Add(parm);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 将.NET日期时间类型转化为Oracle兼容的日期时间格式字符串
|
||
/// </summary>
|
||
/// <param name="date">.NET日期时间类型对象</param>
|
||
/// <returns>Oracle兼容的日期时间格式字符串（如该字符串：TO_DATE('2007-12-1','YYYY-MM-DD')）</returns>
|
||
internal static string GetOracleDateFormat(DateTime date)
|
||
{
|
||
return "TO_DATE('" + date.ToString("yyyy-M-dd") + "','YYYY-MM-DD')";
|
||
}
|
||
|
||
/// <summary>
|
||
/// 将.NET日期时间类型转化为Oracle兼容的日期格式字符串
|
||
/// </summary>
|
||
/// <param name="date">.NET日期时间类型对象</param>
|
||
/// <param name="format">Oracle日期时间类型格式化限定符</param>
|
||
/// <returns>Oracle兼容的日期时间格式字符串（如该字符串：TO_DATE('2007-12-1','YYYY-MM-DD')）</returns>
|
||
internal static string GetOracleDateFormat(DateTime date, string format)
|
||
{
|
||
if (format == null || format.Trim() == "") format = "YYYY-MM-DD";
|
||
return "TO_DATE('" + date.ToString("yyyy-M-dd") + "','" + format + "')";
|
||
}
|
||
|
||
/// <summary>
|
||
/// 将指定的关键字处理为模糊查询时的合法参数值
|
||
/// </summary>
|
||
/// <param name="source">待处理的查询关键字</param>
|
||
/// <returns>过滤后的查询关键字</returns>
|
||
internal static string HandleLikeKey(string source)
|
||
{
|
||
if (source == null || source.Trim() == "") return null;
|
||
|
||
source = source.Replace("[", "[]]");
|
||
source = source.Replace("_", "[_]");
|
||
source = source.Replace("%", "[%]");
|
||
|
||
return ("%" + source + "%");
|
||
}
|
||
|
||
|
||
|
||
}
|
||
} |