cyf
597 lines
24 KiB
C#
597 lines
24 KiB
C#
using MySql.Data.MySqlClient;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace AFKAbutment
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{
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class MySqlHelper
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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 MySqlConnection _connection;
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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>MySqlDataAdapter.</returns>
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public static MySqlDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText, params MySqlParameter[] commandParameters)
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{
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MySqlDataAdapter adapter;
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MySqlCommand cmd = new MySqlCommand();
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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 MySqlDataAdapter(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>MySqlDataAdapter.</returns>
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public static MySqlDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText)
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{
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MySqlDataAdapter adapter;
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MySqlCommand cmd = new MySqlCommand();
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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 MySqlDataAdapter(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 MySqlParameter[] 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 MySqlParameter[] 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 MySqlParameter[] 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 MySqlParameter[] 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 MySqlParameter[] commandParameters)
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{
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DataSet set2;
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MySqlCommand cmd = new MySqlCommand();
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try
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{
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PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);//sql参数处理
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MySqlDataAdapter adapter = new MySqlDataAdapter(cmd);//创建对象,与sql命令对象绑定
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DataSet dataSet = new DataSet();
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adapter.Fill(dataSet, tabName);//填充数据。第二个参数是数据集中内存表的名字，可以与数据库中的不同
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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 new Exception(e.Message + " SQL=[ " + cmdText + " ]", e);
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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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MySqlCommand cmd = new MySqlCommand(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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MySqlDataAdapter adapter = new MySqlDataAdapter(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 MySqlParameter[] commandParameters)
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{
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MySqlCommand cmd = new MySqlCommand();
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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 new Exception(e.Message + " SQL=[ " + cmdText + " ]", e);
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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>
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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>OleDbDataReader.</returns>
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public static MySqlDataReader ExecuteReader(CommandType cmdType, string cmdText, params MySqlParameter[] commandParameters)
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{
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MySqlDataReader reader2;
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MySqlCommand cmd = new MySqlCommand();
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try
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{
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PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
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MySqlDataReader reader = cmd.ExecuteReader();
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cmd.Parameters.Clear();
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reader2 = reader;
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}
|
|
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(MySqlConnection Connectionection, CommandType cmdType, string cmdText, params MySqlParameter[] commandParameters)
|
|
{
|
|
MySqlCommand cmd = new MySqlCommand();
|
|
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 MySqlParameter[] commandParameters)
|
|
{
|
|
MySqlCommand cmd = new MySqlCommand();
|
|
{
|
|
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)
|
|
{
|
|
MySqlCommand cmd = new MySqlCommand();
|
|
{
|
|
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)
|
|
{
|
|
MySqlCommand cmd = new MySqlCommand();
|
|
{
|
|
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(MySqlCommand cmd, MySqlConnection Connection, MySqlTransaction trans, CommandType cmdType, string cmdText, MySqlParameter[] 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 (MySqlParameter parameter in cmdParms)
|
|
{
|
|
cmd.Parameters.Add(parameter);
|
|
}
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
}
|