基线 SVN r240
SVN-Revision: r240
This commit is contained in:
cyf
@@ -0,0 +1,725 @@
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/******************************
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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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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 SqlHelper
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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 SqlConnection _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>SqlDataAdapter.</returns>
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public static SqlDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlDataAdapter adapter;
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SqlCommand cmd = new SqlCommand();
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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 SqlDataAdapter(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 SqlDataAdapter ExecuteAdapter(CommandType cmdType, string cmdText)
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{
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SqlDataAdapter adapter;
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SqlCommand cmd = new SqlCommand();
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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 SqlDataAdapter(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>
|
||||
/// <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>
|
||||
/// <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>
|
||||
/// <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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SqlCommand cmd = new SqlCommand();
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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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SqlDataAdapter adapter = new SqlDataAdapter(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>
|
||||
/// <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">语句类型存储过程或者sql语句</param>
|
||||
/// <param name="cmdText">执行内容</param>
|
||||
/// <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>
|
||||
/// <para>说明：查询结果集</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="cmdText">执行内容</param>
|
||||
/// <returns>DataSet.</returns>
|
||||
public static DataSet ExecuteDataSet(string cmdText)
|
||||
{
|
||||
return ExecuteDataSet(CommandType.Text, cmdText, "temp");
|
||||
}
|
||||
/// <summary>
|
||||
/// <para>说明：查询结果集</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="procedureName">Name of the procedure.</param>
|
||||
/// <param name="tabName">表名</param>
|
||||
/// <param name="parameterNames">The parameter names.</param>
|
||||
/// <param name="parameterValues">The parameter values.</param>
|
||||
/// <returns>DataSet.</returns>
|
||||
public static DataSet ExecuteDataSet(string procedureName, string tabName, string[] parameterNames, object[] parameterValues)
|
||||
{
|
||||
DataSet set2;
|
||||
try
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand(procedureName, _connection);
|
||||
cmd.CommandType = CommandType.StoredProcedure;
|
||||
|
||||
if (parameterNames != null && parameterValues != null)
|
||||
{
|
||||
for (int i = 0; i < parameterNames.Length && i < parameterValues.Length; i++)
|
||||
{
|
||||
cmd.Parameters.AddWithValue(parameterNames[i], parameterValues[i]);
|
||||
}
|
||||
}
|
||||
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
|
||||
DataSet dataSet = new DataSet();
|
||||
adapter.Fill(dataSet, tabName);
|
||||
set2 = dataSet;
|
||||
}
|
||||
catch
|
||||
{
|
||||
throw;
|
||||
}
|
||||
return set2;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ExecuteNonQuery
|
||||
/// <summary>
|
||||
/// <para>说明：执行sql语句或者存储过程</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.Int32.</returns>
|
||||
public static int ExecuteNonQuery(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
int num = 0;
|
||||
try
|
||||
{
|
||||
|
||||
PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
||||
num = cmd.ExecuteNonQuery();
|
||||
cmd.Parameters.Clear();
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
if (e.Message.StartsWith("在从服务器接收结果时发生传输级错误") ||
|
||||
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") ||
|
||||
e.Message.StartsWith("在向服务器发送请求时发生传输级错误"))
|
||||
{
|
||||
throw new Exception("无法连接服务器,请检查网络连接.");
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception(e.Message + " SQL=[ " + cmdText + " ]", e);
|
||||
//throw;
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
cmd.Dispose();
|
||||
}
|
||||
return num;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// <para>说明：执行sql语句或者存储过程,带事务</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.Int32.</returns>
|
||||
public static int ExecuteNonQuery(CommandType cmdType, string cmdText, SqlTransaction Trans,int a ,params SqlParameter[] commandParameters)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
int num = 0;
|
||||
try
|
||||
{
|
||||
|
||||
PrepareCommand(cmd, _connection, Trans, cmdType, cmdText, commandParameters);
|
||||
num = cmd.ExecuteNonQuery();
|
||||
cmd.Parameters.Clear();
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
if (e.Message.StartsWith("在从服务器接收结果时发生传输级错误") ||
|
||||
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") ||
|
||||
e.Message.StartsWith("在向服务器发送请求时发生传输级错误"))
|
||||
{
|
||||
throw new Exception("无法连接服务器,请检查网络连接.");
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception(e.Message + " SQL=[ " + cmdText + " ]", e);
|
||||
//throw;
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
cmd.Dispose();
|
||||
}
|
||||
return num;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// <para>说明：执行sql语句或者存储过程</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.Int32.</returns>
|
||||
public static int ExecuteNonQuery(CommandType cmdType, string cmdText)
|
||||
{
|
||||
return ExecuteNonQuery(CommandType.Text, cmdText, null);
|
||||
}
|
||||
/// <summary>
|
||||
/// <para>说明：执行sql语句或者存储过程</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="cmdText">The command text.</param>
|
||||
/// <returns>System.Int32.</returns>
|
||||
public static int ExecuteNonQuery(string cmdText)
|
||||
{
|
||||
return ExecuteNonQuery(CommandType.Text, cmdText);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ExecuteReader
|
||||
/// <summary>
|
||||
/// <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>
|
||||
/// <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>SqlDataReader.</returns>
|
||||
public static SqlDataReader ExecuteReader(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
||||
{
|
||||
SqlDataReader reader2;
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
try
|
||||
{
|
||||
PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
||||
SqlDataReader reader = cmd.ExecuteReader();
|
||||
cmd.Parameters.Clear();
|
||||
reader2 = reader;
|
||||
}
|
||||
catch
|
||||
{
|
||||
throw;
|
||||
}
|
||||
return reader2;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ExecuteCommand
|
||||
/// <summary>
|
||||
/// <para>说明：执行sql语句或者存储过程并返回SqlCommand（只读、只进）</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>SqlDataReader.</returns>
|
||||
public static SqlCommand ExecuteCommand(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
try
|
||||
{
|
||||
PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
catch
|
||||
{
|
||||
throw;
|
||||
}
|
||||
return cmd;
|
||||
}
|
||||
#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(SqlConnection Connectionection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
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)
|
||||
{
|
||||
try
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
{
|
||||
PrepareCommand(cmd, _connection, null, cmdType, cmdText, commandParameters);
|
||||
object obj2 = cmd.ExecuteScalar();
|
||||
cmd.Parameters.Clear();
|
||||
return obj2;
|
||||
}
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
if (e.Message.StartsWith("在从服务器接收结果时发生传输级错误") ||
|
||||
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") ||
|
||||
e.Message.StartsWith("在向服务器发送请求时发生传输级错误"))
|
||||
{
|
||||
throw new Exception("无法连接服务器,请检查网络连接.");
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception(e.Message + " SQL=[ " + cmdText + " ]", e);
|
||||
//throw;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
/// <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)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
{
|
||||
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)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
{
|
||||
PrepareCommand(cmd, _connection, null, CommandType.Text, 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，带事务</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,SqlTransaction Trans,int a,int b)
|
||||
{
|
||||
SqlCommand cmd = new SqlCommand();
|
||||
{
|
||||
PrepareCommand(cmd, _connection, Trans, 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(SqlCommand cmd, SqlConnection Connection, SqlTransaction 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
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user