cyf
607 lines
24 KiB
C#
607 lines
24 KiB
C#
/******************************
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* 说明：数据库操作类
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* 创建人：龚宇超
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* 创建日期：2017-07-24
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Data.SqlClient;
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using System.Data;
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using System.Data.Odbc;
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namespace Lskj.Core
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{
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/// <summary>
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/// 数据库操作类
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/// </summary>
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public static class OdbcHelper
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{
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/// <summary>
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/// 数据连接
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/// </summary>
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public static OdbcConnection _connection;//SqlConnection
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/// <summary>
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/// 请求超时时间
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/// </summary>
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public static int CommandTimeout;
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//#region ExecuteAdapter
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///// <summary>
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///// <para>说明：获取适配器</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdType">Type of the command.</param>
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///// <param name="cmdText">The command text.</param>
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///// <param name="commandParameters">The command parameters.</param>
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///// <returns>SqlDataAdapter.</returns>
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//public static OdbcDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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//{
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// OdbcDataAdapter adapter;
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// OdbcCommand cmd = new OdbcCommand();
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// try
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// {
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// PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
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// adapter = new OdbcDataAdapter(cmd);
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// }
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// catch
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// {
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// throw;
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// }
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// return adapter;
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//}
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///// <summary>
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///// <para>说明：获取适配器</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdType">Type of the command.</param>
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///// <param name="cmdText">The command text.</param>
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///// <returns>SqlDataAdapter.</returns>
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//public static OdbcDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText)
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//{
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// OdbcDataAdapter adapter;
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// OdbcCommand cmd = new OdbcCommand();
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// try
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// {
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// PrepareCommand(cmd, _connection, null, cmdType, cmdText, null);
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// adapter = new OdbcDataAdapter(cmd);
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// }
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// catch
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// {
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// throw;
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// }
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// return adapter;
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//}
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//#endregion
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//#region ExecuteDataTable
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///// <summary>
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///// <para>说明：执行sql返回DataTable</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdText">The command text.</param>
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///// <returns>DataTable.</returns>
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public static DataTable ExecuteDataTable(string cmdText)
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{
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return ExecuteDataSet(cmdText).Tables[0];
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}
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///// <summary>
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///// <para>说明：执行sql返回DataTable</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdText">The command text.</param>
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///// <returns>DataTable.</returns>
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//public static DataTable ExecuteDataTable(string cmdText, params SqlParameter[] commandParameters)
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//{
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// return ExecuteDataSet(CommandType.Text, cmdText, "temp", commandParameters).Tables[0];
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//}
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///// <summary>
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///// <para>说明：执行sql返回指定字段值</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-08-15 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="fieldName">Name of the field.</param>
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///// <param name="cmdText">The command text.</param>
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///// <returns>System.Object.</returns>
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//public static object ExecuteObject(string fieldName, string cmdText)
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//{
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// object result = null;
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// try
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// {
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// result = ExecuteDataSet(cmdText).Tables[0].Rows[0][fieldName];
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// }
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// catch (Exception)
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// {
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// }
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// return result;
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//}
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///// <summary>
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///// <para>说明：执行sql返回指定字段值</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-11-27 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="fieldName">Name of the field.</param>
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///// <param name="cmdText">The command text.</param>
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///// <param name="commandParameters">The command parameters.</param>
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///// <returns>System.Object.</returns>
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//public static object ExecuteObject(string fieldName, string cmdText, params SqlParameter[] commandParameters)
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//{
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// object result = null;
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// try
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// {
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// result = ExecuteDataSet(CommandType.Text, cmdText, "temp", commandParameters).Tables[0].Rows[0][fieldName];
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// }
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// catch (Exception)
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// {
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// }
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// return result;
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//}
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///// <summary>
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///// <para>说明：执行sql返回指定字段值</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-08-15 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="fieldName">Name of the field.</param>
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///// <param name="cmdText">The command text.</param>
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///// <returns>System.Object.</returns>
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//public static string ExecuteString(string fieldName, string cmdText)
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//{
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// object obj = ExecuteObject(fieldName, cmdText);
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// return obj == null ? "" : obj.ToString();
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//}
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///// <summary>
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///// <para>说明：执行sql返回指定字段值</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-11-27 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="fieldName">Name of the field.</param>
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///// <param name="cmdText">The command text.</param>
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///// <param name="commandParameters">The command parameters.</param>
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///// <returns>System.String.</returns>
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//public static string ExecuteString(string fieldName, string cmdText, params SqlParameter[] commandParameters)
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//{
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// object obj = ExecuteObject(fieldName, cmdText, commandParameters);
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// return obj == null ? "" : obj.ToString();
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//}
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//#endregion
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//#region ExecuteDataSet
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///// <summary>
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///// <para>说明：查询结果集</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdType">Type of the command.</param>
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///// <param name="cmdText">The command text.</param>
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///// <param name="tabName">Name of the tab.</param>
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///// <param name="commandParameters">The command parameters.</param>
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///// <returns>DataSet.</returns>
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//public static DataSet ExecuteDataSet(int cmdType, string cmdText, string tabName, params SqlParameter[] commandParameters)
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//{
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// CommandType _cmdType = CommandType.Text;
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// switch (cmdType)
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// {
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// case 4:
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// _cmdType = CommandType.StoredProcedure;
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// break;
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// case 512:
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// _cmdType = CommandType.TableDirect;
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// break;
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// }
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// return ExecuteDataSet(_cmdType, cmdText, tabName, commandParameters);
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//}
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///// <summary>
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///// <para>说明：查询结果集</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdType">语句类型存储过程或者sql语句</param>
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///// <param name="cmdText">执行内容</param>
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///// <param name="tabName">表名</param>
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///// <param name="commandParameters">参数</param>
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///// <returns>DataSet.</returns>
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public static DataSet ExecuteDataSet(CommandType cmdType, string cmdText, string tabName, params SqlParameter[] commandParameters)
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{
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DataSet set2;
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OdbcCommand cmd = new OdbcCommand();
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try
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{
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PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
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OdbcDataAdapter adapter = new OdbcDataAdapter(cmd);
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DataSet dataSet = new DataSet();
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adapter.Fill(dataSet, tabName);
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//adapter.FillSchema(dataSet, SchemaType.Mapped, tabName);
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set2 = dataSet;
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}
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catch (Exception e)
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{
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if (e.Message.StartsWith("在从服务器接收结果时发生传输级错误") ||
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e.Message.StartsWith("在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误") ||
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e.Message.StartsWith("在向服务器发送请求时发生传输级错误"))
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{
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throw new Exception("无法连接服务器,请检查网络连接.");
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}
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else
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{
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throw;
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}
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}
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finally
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{
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cmd.Dispose();
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}
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return set2;
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}
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///// <summary>
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///// <para>说明：查询结果集</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdType">语句类型存储过程或者sql语句</param>
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///// <param name="cmdText">执行内容</param>
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///// <param name="tabName">表名</param>
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///// <returns>DataSet.</returns>
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public static DataSet ExecuteDataSet(CommandType cmdType, string cmdText, string tabName)
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{
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return ExecuteDataSet(cmdType, cmdText, tabName, null);
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}
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///// <summary>
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///// <para>说明：查询结果集</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="cmdText">执行内容</param>
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///// <returns>DataSet.</returns>
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public static DataSet ExecuteDataSet(string cmdText)
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{
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return ExecuteDataSet(CommandType.Text, cmdText, "temp");
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}
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///// <summary>
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///// <para>说明：查询结果集</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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///// <para>修改人：</para>
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///// <para>修改日期：</para>
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///// <para>修改备注：</para>
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///// <para>版本：1.0</para>
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///// </summary>
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///// <param name="procedureName">Name of the procedure.</param>
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///// <param name="tabName">表名</param>
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///// <param name="parameterNames">The parameter names.</param>
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///// <param name="parameterValues">The parameter values.</param>
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///// <returns>DataSet.</returns>
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//public static DataSet ExecuteDataSet(string procedureName, string tabName, string[] parameterNames, object[] parameterValues)
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//{
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// DataSet set2;
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// try
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// {
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// OdbcCommand cmd = new OdbcCommand(procedureName, _connection);
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// cmd.CommandType = CommandType.StoredProcedure;
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// if (parameterNames != null && parameterValues != null)
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// {
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// for (int i = 0; i < parameterNames.Length && i < parameterValues.Length; i++)
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// {
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// cmd.Parameters.AddWithValue(parameterNames[i], parameterValues[i]);
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// }
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// }
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// OdbcDataAdapter adapter = new OdbcDataAdapter(cmd);
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// DataSet dataSet = new DataSet();
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// adapter.Fill(dataSet, tabName);
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// set2 = dataSet;
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// }
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// catch
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// {
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// throw;
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// }
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// return set2;
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//}
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//#endregion
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#region ExecuteNonQuery
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/// <summary>
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/// <para>说明：执行sql语句或者存储过程</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-07-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="cmdType">Type of the command.</param>
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/// <param name="cmdText">The command text.</param>
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/// <param name="commandParameters">The command parameters.</param>
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/// <returns>System.Int32.</returns>
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public static int ExecuteNonQuery(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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OdbcCommand cmd = new OdbcCommand();
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int num = 0;
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try
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{
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PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
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num = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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}
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catch (Exception e)
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{
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if (e.Message.StartsWith("在从服务器接收结果时发生传输级错误") ||
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e.Message.StartsWith("在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误") ||
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e.Message.StartsWith("在向服务器发送请求时发生传输级错误"))
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{
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throw new Exception("无法连接服务器,请检查网络连接.");
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}
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else
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{
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throw;
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}
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}
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finally
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{
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cmd.Dispose();
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}
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return num;
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}
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/// <summary>
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/// <para>说明：执行sql语句或者存储过程</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-07-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="cmdType">Type of the command.</param>
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/// <param name="cmdText">The command text.</param>
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/// <returns>System.Int32.</returns>
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public static int ExecuteNonQuery(CommandType cmdType, string cmdText)
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{
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return ExecuteNonQuery(CommandType.Text, cmdText, null);
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}
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/// <summary>
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/// <para>说明：执行sql语句或者存储过程</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-07-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="cmdText">The command text.</param>
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/// <returns>System.Int32.</returns>
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public static int ExecuteNonQuery(string cmdText)
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{
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return ExecuteNonQuery(CommandType.Text, cmdText);
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}
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#endregion
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//#region ExecuteReader
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///// <summary>
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///// <para>说明：执行sql语句或者存储过程并返回结果集（只读、只进）</para>
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///// <para>创建人：龚宇超</para>
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///// <para>创建日期：2017-07-24 </para>
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|
///// <para>修改人：</para>
|
|
///// <para>修改日期：</para>
|
|
///// <para>修改备注：</para>
|
|
///// <para>版本：1.0</para>
|
|
///// </summary>
|
|
///// <param name="cmdType">Type of the command.</param>
|
|
///// <param name="cmdText">The command text.</param>
|
|
///// <param name="commandParameters">The command parameters.</param>
|
|
///// <returns>SqlDataReader.</returns>
|
|
//public static OdbcDataReader ExecuteReader(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
|
//{
|
|
// OdbcDataReader reader2;
|
|
// OdbcCommand cmd = new OdbcCommand();
|
|
// try
|
|
// {
|
|
// PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
|
// OdbcDataReader reader = cmd.ExecuteReader();
|
|
// cmd.Parameters.Clear();
|
|
// reader2 = reader;
|
|
// }
|
|
// catch
|
|
// {
|
|
// throw;
|
|
// }
|
|
// return reader2;
|
|
//}
|
|
//#endregion
|
|
|
|
//#region ExecuteScalar
|
|
///// <summary>
|
|
///// <para>说明：执行sql语句或者存储过程并返回结果集第一行第一列</para>
|
|
///// <para>创建人：龚宇超</para>
|
|
///// <para>创建日期：2017-07-24 </para>
|
|
///// <para>修改人：</para>
|
|
///// <para>修改日期：</para>
|
|
///// <para>修改备注：</para>
|
|
///// <para>版本：1.0</para>
|
|
///// </summary>
|
|
///// <param name="Connectionection">The connectionection.</param>
|
|
///// <param name="cmdType">Type of the command.</param>
|
|
///// <param name="cmdText">The command text.</param>
|
|
///// <param name="commandParameters">The command parameters.</param>
|
|
///// <returns>System.Object.</returns>
|
|
//public static object ExecuteScalar(OdbcConnection Connectionection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
|
//{
|
|
// OdbcCommand cmd = new OdbcCommand();
|
|
// PrepareCommand(cmd, Connectionection, null, cmdType, cmdText, commandParameters);
|
|
// object obj2 = cmd.ExecuteScalar();
|
|
// cmd.Parameters.Clear();
|
|
// return obj2;
|
|
//}
|
|
///// <summary>
|
|
///// <para>说明：执行sql语句或者存储过程并返回结果集第一行第一列</para>
|
|
///// <para>创建人：龚宇超</para>
|
|
///// <para>创建日期：2017-07-24 </para>
|
|
///// <para>修改人：</para>
|
|
///// <para>修改日期：</para>
|
|
///// <para>修改备注：</para>
|
|
///// <para>版本：1.0</para>
|
|
///// </summary>
|
|
///// <param name="cmdType">Type of the command.</param>
|
|
///// <param name="cmdText">The command text.</param>
|
|
///// <param name="commandParameters">The command parameters.</param>
|
|
///// <returns>System.Object.</returns>
|
|
//public static object ExecuteScalar(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
|
//{
|
|
// OdbcCommand cmd = new OdbcCommand();
|
|
// {
|
|
// PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
|
// object obj2 = cmd.ExecuteScalar();
|
|
// cmd.Parameters.Clear();
|
|
// return obj2;
|
|
// }
|
|
//}
|
|
///// <summary>
|
|
///// <para>说明：执行sql语句或者存储过程并返回结果集第一行第一列</para>
|
|
///// <para>创建人：龚宇超</para>
|
|
///// <para>创建日期：2017-07-24 </para>
|
|
///// <para>修改人：</para>
|
|
///// <para>修改日期：</para>
|
|
///// <para>修改备注：</para>
|
|
///// <para>版本：1.0</para>
|
|
///// </summary>
|
|
///// <param name="cmdType">Type of the command.</param>
|
|
///// <param name="cmdText">The command text.</param>
|
|
///// <returns>System.Object.</returns>
|
|
//public static object ExecuteScalar(CommandType cmdType, string cmdText)
|
|
//{
|
|
// OdbcCommand cmd = new OdbcCommand();
|
|
// {
|
|
// PrepareCommand(cmd, _connection, null, cmdType, cmdText, null);
|
|
// object obj2 = cmd.ExecuteScalar();
|
|
// cmd.Parameters.Clear();
|
|
// return obj2;
|
|
// }
|
|
//}
|
|
///// <summary>
|
|
///// <para>说明：执行sql语句或者存储过程并返回结果集第一行第一列</para>
|
|
///// <para>创建人：龚宇超</para>
|
|
///// <para>创建日期：2017-08-21 </para>
|
|
///// <para>修改人：</para>
|
|
///// <para>修改日期：</para>
|
|
///// <para>修改备注：</para>
|
|
///// <para>版本：1.0</para>
|
|
///// </summary>
|
|
///// <param name="cmdText">The command text.</param>
|
|
///// <returns>System.Object.</returns>
|
|
//public static object ExecuteScalar(string cmdText)
|
|
//{
|
|
// OdbcCommand cmd = new OdbcCommand();
|
|
// {
|
|
// PrepareCommand(cmd, _connection, null, CommandType.Text, cmdText, null);
|
|
// object obj2 = cmd.ExecuteScalar();
|
|
// cmd.Parameters.Clear();
|
|
// return obj2;
|
|
// }
|
|
//}
|
|
//#endregion
|
|
|
|
#region PrepareCommand
|
|
/// <summary>
|
|
/// <para>说明： sql参数处理</para>
|
|
/// <para>创建人：龚宇超</para>
|
|
/// <para>创建日期：2017-07-24 </para>
|
|
/// <para>修改人：</para>
|
|
/// <para>修改日期：</para>
|
|
/// <para>修改备注：</para>
|
|
/// <para>版本：1.0</para>
|
|
/// </summary>
|
|
/// <param name="cmd">The command.</param>
|
|
/// <param name="Connection">The connection.</param>
|
|
/// <param name="trans">The trans.</param>
|
|
/// <param name="cmdType">Type of the command.</param>
|
|
/// <param name="cmdText">The command text.</param>
|
|
/// <param name="cmdParms">The command parms.</param>
|
|
private static void PrepareCommand(OdbcCommand cmd, OdbcConnection Connection, OdbcTransaction trans, CommandType cmdType, string cmdText, SqlParameter[] cmdParms)
|
|
{
|
|
if (Connection.State != ConnectionState.Open)
|
|
{
|
|
Connection.Open();
|
|
}
|
|
cmd.Connection = Connection;
|
|
cmd.CommandTimeout = CommandTimeout;
|
|
cmd.CommandText = cmdText;
|
|
if (trans != null)
|
|
{
|
|
cmd.Transaction = trans;
|
|
}
|
|
cmd.CommandType = cmdType;
|
|
if (cmdParms != null)
|
|
{
|
|
foreach (SqlParameter parameter in cmdParms)
|
|
{
|
|
cmd.Parameters.Add(parameter);
|
|
}
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
}
|