From 0f71990dc60af6e96c9f4c2f2095ca6711e2c870 Mon Sep 17 00:00:00 2001 From: xcd <834800634@qq.com> Date: 星期一, 06 七月 2020 11:29:37 +0800 Subject: [PATCH] merge --- src/Bro.Process.DBManager/SQLiteHelper.cs | 1160 +++++++++++++++++++++++++++++----------------------------- 1 files changed, 580 insertions(+), 580 deletions(-) diff --git a/src/Bro.Process.DBManager/SQLiteHelper.cs b/src/Bro.Process.DBManager/SQLiteHelper.cs index 6da6230..dfb07e1 100644 --- a/src/Bro.Process.DBManager/SQLiteHelper.cs +++ b/src/Bro.Process.DBManager/SQLiteHelper.cs @@ -1,614 +1,614 @@ -using System; -using System.Collections; -using System.Collections.Specialized; -using System.Data; -using System.Data.SQLite; -using System.Configuration; +//using System; +//using System.Collections; +//using System.Collections.Specialized; +//using System.Data; +//using System.Data.SQLite; +//using System.Configuration; -namespace Bro.Process.DataBase -{ - public class SQLiteHelper - { - //数据库连接字符串 - public static string connectionString = ConfigurationManager.ConnectionStrings["DataBase"].ConnectionString; +//namespace Bro.Process.DataBase +//{ +// public class SQLiteHelper +// { +// //数据库连接字符串 +// public static string connectionString = ConfigurationManager.ConnectionStrings["DataBase"].ConnectionString; - public SQLiteHelper() { } +// public SQLiteHelper() { } - #region 公用方法 +// #region 公用方法 - public static int GetMaxID(string FieldName, string TableName) - { - string strsql = "select max(" + FieldName + ")+1 from " + TableName; - object obj = GetSingle(strsql); - if (obj == null) - { - return 1; - } - else - { - return int.Parse(obj.ToString()); - } - } +// public static int GetMaxID(string FieldName, string TableName) +// { +// string strsql = "select max(" + FieldName + ")+1 from " + TableName; +// object obj = GetSingle(strsql); +// if (obj == null) +// { +// return 1; +// } +// else +// { +// return int.Parse(obj.ToString()); +// } +// } - public static bool Exists(string strSql) - { - object obj = GetSingle(strSql); - int cmdresult; - if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) - { - cmdresult = 0; - } - else - { - cmdresult = int.Parse(obj.ToString()); - } - if (cmdresult == 0) - { - return false; - } - else - { - return true; - } - } +// public static bool Exists(string strSql) +// { +// object obj = GetSingle(strSql); +// int cmdresult; +// if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) +// { +// cmdresult = 0; +// } +// else +// { +// cmdresult = int.Parse(obj.ToString()); +// } +// if (cmdresult == 0) +// { +// return false; +// } +// else +// { +// return true; +// } +// } - public static bool Exists(string strSql, params SQLiteParameter[] cmdParms) - { - object obj = GetSingle(strSql, cmdParms); - int cmdresult; - if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) - { - cmdresult = 0; - } - else - { - cmdresult = int.Parse(obj.ToString()); - } - if (cmdresult == 0) - { - return false; - } - else - { - return true; - } - } +// public static bool Exists(string strSql, params SQLiteParameter[] cmdParms) +// { +// object obj = GetSingle(strSql, cmdParms); +// int cmdresult; +// if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) +// { +// cmdresult = 0; +// } +// else +// { +// cmdresult = int.Parse(obj.ToString()); +// } +// if (cmdresult == 0) +// { +// return false; +// } +// else +// { +// return true; +// } +// } - #endregion +// #endregion - #region 执行简单SQL语句 +// #region 执行简单SQL语句 - /// <summary> - /// 执行SQL语句,返回影响的记录数 - /// </summary> - /// <param name="SQLString">SQL语句</param> - /// <returns>影响的记录数</returns> - public static int ExecuteSql(string SQLString) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) - { - try - { - connection.Open(); - int rows = cmd.ExecuteNonQuery(); - return rows; - } - catch (System.Data.SQLite.SQLiteException E) - { - connection.Close(); - throw new Exception(E.Message); - } - } - } - } +// /// <summary> +// /// 执行SQL语句,返回影响的记录数 +// /// </summary> +// /// <param name="SQLString">SQL语句</param> +// /// <returns>影响的记录数</returns> +// public static int ExecuteSql(string SQLString) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) +// { +// try +// { +// connection.Open(); +// int rows = cmd.ExecuteNonQuery(); +// return rows; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// connection.Close(); +// throw new Exception(E.Message); +// } +// } +// } +// } - /// <summary> - /// 执行SQL语句,设置命令的执行等待时间 - /// </summary> - /// <param name="SQLString"></param> - /// <param name="Times"></param> - /// <returns></returns> - public static int ExecuteSqlByTime(string SQLString, int Times) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) - { - try - { - connection.Open(); - cmd.CommandTimeout = Times; - int rows = cmd.ExecuteNonQuery(); - return rows; - } - catch (System.Data.SQLite.SQLiteException E) - { - connection.Close(); - throw new Exception(E.Message); - } - } - } - } +// /// <summary> +// /// 执行SQL语句,设置命令的执行等待时间 +// /// </summary> +// /// <param name="SQLString"></param> +// /// <param name="Times"></param> +// /// <returns></returns> +// public static int ExecuteSqlByTime(string SQLString, int Times) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) +// { +// try +// { +// connection.Open(); +// cmd.CommandTimeout = Times; +// int rows = cmd.ExecuteNonQuery(); +// return rows; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// connection.Close(); +// throw new Exception(E.Message); +// } +// } +// } +// } - /// <summary> - /// 执行多条SQL语句,实现数据库事务。 - /// </summary> - /// <param name="SQLStringList">多条SQL语句</param> - public static bool ExecuteSqlTran(ArrayList SQLStringList) - { - bool isSuccess = false; - using (SQLiteConnection conn = new SQLiteConnection(connectionString)) - { - conn.Open(); - SQLiteCommand cmd = new SQLiteCommand(); - cmd.Connection = conn; - cmd.CommandText = "PRAGMA synchronous = OFF;"; - cmd.ExecuteNonQuery(); - SQLiteTransaction tx = conn.BeginTransaction(); - cmd.Transaction = tx; - try - { - for (int n = 0; n < SQLStringList.Count; n++) - { - string strsql = SQLStringList[n].ToString(); - if (strsql.Trim().Length > 1) - { - cmd.CommandText = strsql; - cmd.ExecuteNonQuery(); - } - } - tx.Commit(); - isSuccess = true; - } - catch (System.Data.SQLite.SQLiteException E) - { - tx.Rollback(); - isSuccess = false; - throw new Exception(E.Message); - } - } - return isSuccess; - } +// /// <summary> +// /// 执行多条SQL语句,实现数据库事务。 +// /// </summary> +// /// <param name="SQLStringList">多条SQL语句</param> +// public static bool ExecuteSqlTran(ArrayList SQLStringList) +// { +// bool isSuccess = false; +// using (SQLiteConnection conn = new SQLiteConnection(connectionString)) +// { +// conn.Open(); +// SQLiteCommand cmd = new SQLiteCommand(); +// cmd.Connection = conn; +// cmd.CommandText = "PRAGMA synchronous = OFF;"; +// cmd.ExecuteNonQuery(); +// SQLiteTransaction tx = conn.BeginTransaction(); +// cmd.Transaction = tx; +// try +// { +// for (int n = 0; n < SQLStringList.Count; n++) +// { +// string strsql = SQLStringList[n].ToString(); +// if (strsql.Trim().Length > 1) +// { +// cmd.CommandText = strsql; +// cmd.ExecuteNonQuery(); +// } +// } +// tx.Commit(); +// isSuccess = true; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// tx.Rollback(); +// isSuccess = false; +// throw new Exception(E.Message); +// } +// } +// return isSuccess; +// } - /// <summary> - /// 执行带一个存储过程参数的的SQL语句。 - /// </summary> - /// <param name="SQLString">SQL语句</param> - /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> - /// <returns>影响的记录数</returns> - public static int ExecuteSql(string SQLString, string content) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - SQLiteCommand cmd = new SQLiteCommand(SQLString, connection); - SQLiteParameter myParameter = new SQLiteParameter("@content", DbType.String); - myParameter.Value = content; - cmd.Parameters.Add(myParameter); - try - { - connection.Open(); - int rows = cmd.ExecuteNonQuery(); - return rows; - } - catch (System.Data.SQLite.SQLiteException E) - { - throw new Exception(E.Message); - } - finally - { - cmd.Dispose(); - connection.Close(); - } - } - } +// /// <summary> +// /// 执行带一个存储过程参数的的SQL语句。 +// /// </summary> +// /// <param name="SQLString">SQL语句</param> +// /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> +// /// <returns>影响的记录数</returns> +// public static int ExecuteSql(string SQLString, string content) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// SQLiteCommand cmd = new SQLiteCommand(SQLString, connection); +// SQLiteParameter myParameter = new SQLiteParameter("@content", DbType.String); +// myParameter.Value = content; +// cmd.Parameters.Add(myParameter); +// try +// { +// connection.Open(); +// int rows = cmd.ExecuteNonQuery(); +// return rows; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// throw new Exception(E.Message); +// } +// finally +// { +// cmd.Dispose(); +// connection.Close(); +// } +// } +// } - /// <summary> - /// 执行带一个存储过程参数的的SQL语句。 - /// </summary> - /// <param name="SQLString">SQL语句</param> - /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> - /// <returns>影响的记录数</returns> - public static object ExecuteSqlGet(string SQLString, string content) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - SQLiteCommand cmd = new SQLiteCommand(SQLString, connection); - SQLiteParameter myParameter = new SQLiteParameter("@content", DbType.String); - myParameter.Value = content; - cmd.Parameters.Add(myParameter); - try - { - connection.Open(); - object obj = cmd.ExecuteScalar(); - if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) - { - return null; - } - else - { - return obj; - } - } - catch (System.Data.SQLite.SQLiteException E) - { - throw new Exception(E.Message); - } - finally - { - cmd.Dispose(); - connection.Close(); - } - } - } +// /// <summary> +// /// 执行带一个存储过程参数的的SQL语句。 +// /// </summary> +// /// <param name="SQLString">SQL语句</param> +// /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> +// /// <returns>影响的记录数</returns> +// public static object ExecuteSqlGet(string SQLString, string content) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// SQLiteCommand cmd = new SQLiteCommand(SQLString, connection); +// SQLiteParameter myParameter = new SQLiteParameter("@content", DbType.String); +// myParameter.Value = content; +// cmd.Parameters.Add(myParameter); +// try +// { +// connection.Open(); +// object obj = cmd.ExecuteScalar(); +// if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) +// { +// return null; +// } +// else +// { +// return obj; +// } +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// throw new Exception(E.Message); +// } +// finally +// { +// cmd.Dispose(); +// connection.Close(); +// } +// } +// } - /// <summary> - /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例) - /// </summary> - /// <param name="strSQL">SQL语句</param> - /// <param name="fs">图像字节,数据库的字段类型为image的情况</param> - /// <returns>影响的记录数</returns> - public static int ExecuteSqlInsertImg(string strSQL, byte[] fs) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - SQLiteCommand cmd = new SQLiteCommand(strSQL, connection); - SQLiteParameter myParameter = new SQLiteParameter("@fs", DbType.Binary); - myParameter.Value = fs; - cmd.Parameters.Add(myParameter); - try - { - connection.Open(); - int rows = cmd.ExecuteNonQuery(); - return rows; - } - catch (System.Data.SQLite.SQLiteException E) - { - throw new Exception(E.Message); - } - finally - { - cmd.Dispose(); - connection.Close(); - } - } - } +// /// <summary> +// /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例) +// /// </summary> +// /// <param name="strSQL">SQL语句</param> +// /// <param name="fs">图像字节,数据库的字段类型为image的情况</param> +// /// <returns>影响的记录数</returns> +// public static int ExecuteSqlInsertImg(string strSQL, byte[] fs) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// SQLiteCommand cmd = new SQLiteCommand(strSQL, connection); +// SQLiteParameter myParameter = new SQLiteParameter("@fs", DbType.Binary); +// myParameter.Value = fs; +// cmd.Parameters.Add(myParameter); +// try +// { +// connection.Open(); +// int rows = cmd.ExecuteNonQuery(); +// return rows; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// throw new Exception(E.Message); +// } +// finally +// { +// cmd.Dispose(); +// connection.Close(); +// } +// } +// } - /// <summary> - /// 执行一条计算查询结果语句,返回查询结果(object)。 - /// </summary> - /// <param name="SQLString">计算查询结果语句</param> - /// <returns>查询结果(object)</returns> - public static object GetSingle(string SQLString) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) - { - try - { - connection.Open(); - object obj = cmd.ExecuteScalar(); - if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) - { - return null; - } - else - { - return obj; - } - } - catch (System.Data.SQLite.SQLiteException e) - { - connection.Close(); - throw new Exception(e.Message); - } - } - } - } +// /// <summary> +// /// 执行一条计算查询结果语句,返回查询结果(object)。 +// /// </summary> +// /// <param name="SQLString">计算查询结果语句</param> +// /// <returns>查询结果(object)</returns> +// public static object GetSingle(string SQLString) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// using (SQLiteCommand cmd = new SQLiteCommand(SQLString, connection)) +// { +// try +// { +// connection.Open(); +// object obj = cmd.ExecuteScalar(); +// if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) +// { +// return null; +// } +// else +// { +// return obj; +// } +// } +// catch (System.Data.SQLite.SQLiteException e) +// { +// connection.Close(); +// throw new Exception(e.Message); +// } +// } +// } +// } - /// <summary> - /// 执行查询语句,返回SQLiteDataReader(使用该方法切记要手工关闭SQLiteDataReader和连接) - /// </summary> - /// <param name="strSQL">查询语句</param> - /// <returns>SQLiteDataReader</returns> - public static SQLiteDataReader ExecuteReader(string strSQL) - { - SQLiteConnection connection = new SQLiteConnection(connectionString); - SQLiteCommand cmd = new SQLiteCommand(strSQL, connection); - try - { - connection.Open(); - SQLiteDataReader myReader = cmd.ExecuteReader(); - return myReader; - } - catch (System.Data.SQLite.SQLiteException e) - { - throw new Exception(e.Message); - } - //finally //不能在此关闭,否则,返回的对象将无法使用 - //{ - // cmd.Dispose(); - // connection.Close(); - //} - } +// /// <summary> +// /// 执行查询语句,返回SQLiteDataReader(使用该方法切记要手工关闭SQLiteDataReader和连接) +// /// </summary> +// /// <param name="strSQL">查询语句</param> +// /// <returns>SQLiteDataReader</returns> +// public static SQLiteDataReader ExecuteReader(string strSQL) +// { +// SQLiteConnection connection = new SQLiteConnection(connectionString); +// SQLiteCommand cmd = new SQLiteCommand(strSQL, connection); +// try +// { +// connection.Open(); +// SQLiteDataReader myReader = cmd.ExecuteReader(); +// return myReader; +// } +// catch (System.Data.SQLite.SQLiteException e) +// { +// throw new Exception(e.Message); +// } +// //finally //不能在此关闭,否则,返回的对象将无法使用 +// //{ +// // cmd.Dispose(); +// // connection.Close(); +// //} +// } - /// <summary> - /// 执行查询语句,返回DataSet - /// </summary> - /// <param name="SQLString">查询语句</param> - /// <returns>DataSet</returns> - public static DataSet Query(string SQLString) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - DataSet ds = new DataSet(); - try - { - connection.Open(); - SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); - command.Fill(ds, "ds"); - } - catch (System.Data.SQLite.SQLiteException ex) - { - throw new Exception(ex.Message); - } - return ds; - } - } +// /// <summary> +// /// 执行查询语句,返回DataSet +// /// </summary> +// /// <param name="SQLString">查询语句</param> +// /// <returns>DataSet</returns> +// public static DataSet Query(string SQLString) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// DataSet ds = new DataSet(); +// try +// { +// connection.Open(); +// SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); +// command.Fill(ds, "ds"); +// } +// catch (System.Data.SQLite.SQLiteException ex) +// { +// throw new Exception(ex.Message); +// } +// return ds; +// } +// } - public static DataSet Query(string SQLString, string TableName) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - DataSet ds = new DataSet(); - try - { - connection.Open(); - SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); - command.Fill(ds, TableName); - } - catch (System.Data.SQLite.SQLiteException ex) - { - throw new Exception(ex.Message); - } - return ds; - } - } +// public static DataSet Query(string SQLString, string TableName) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// DataSet ds = new DataSet(); +// try +// { +// connection.Open(); +// SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); +// command.Fill(ds, TableName); +// } +// catch (System.Data.SQLite.SQLiteException ex) +// { +// throw new Exception(ex.Message); +// } +// return ds; +// } +// } - /// <summary> - /// 执行查询语句,返回DataSet,设置命令的执行等待时间 - /// </summary> - /// <param name="SQLString"></param> - /// <param name="Times"></param> - /// <returns></returns> - public static DataSet Query(string SQLString, int Times) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - DataSet ds = new DataSet(); - try - { - connection.Open(); - SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); - command.SelectCommand.CommandTimeout = Times; - command.Fill(ds, "ds"); - } - catch (System.Data.SQLite.SQLiteException ex) - { - throw new Exception(ex.Message); - } - return ds; - } - } +// /// <summary> +// /// 执行查询语句,返回DataSet,设置命令的执行等待时间 +// /// </summary> +// /// <param name="SQLString"></param> +// /// <param name="Times"></param> +// /// <returns></returns> +// public static DataSet Query(string SQLString, int Times) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// DataSet ds = new DataSet(); +// try +// { +// connection.Open(); +// SQLiteDataAdapter command = new SQLiteDataAdapter(SQLString, connection); +// command.SelectCommand.CommandTimeout = Times; +// command.Fill(ds, "ds"); +// } +// catch (System.Data.SQLite.SQLiteException ex) +// { +// throw new Exception(ex.Message); +// } +// return ds; +// } +// } - #endregion +// #endregion - #region 执行带参数的SQL语句 +// #region 执行带参数的SQL语句 - /// <summary> - /// 执行SQL语句,返回影响的记录数 - /// </summary> - /// <param name="SQLString">SQL语句</param> - /// <returns>影响的记录数</returns> - public static int ExecuteSql(string SQLString, params SQLiteParameter[] cmdParms) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - using (SQLiteCommand cmd = new SQLiteCommand()) - { - try - { - PrepareCommand(cmd, connection, null, SQLString, cmdParms); - int rows = cmd.ExecuteNonQuery(); - cmd.Parameters.Clear(); - return rows; - } - catch (System.Data.SQLite.SQLiteException E) - { - throw new Exception(E.Message); - } - } - } - } +// /// <summary> +// /// 执行SQL语句,返回影响的记录数 +// /// </summary> +// /// <param name="SQLString">SQL语句</param> +// /// <returns>影响的记录数</returns> +// public static int ExecuteSql(string SQLString, params SQLiteParameter[] cmdParms) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// using (SQLiteCommand cmd = new SQLiteCommand()) +// { +// try +// { +// PrepareCommand(cmd, connection, null, SQLString, cmdParms); +// int rows = cmd.ExecuteNonQuery(); +// cmd.Parameters.Clear(); +// return rows; +// } +// catch (System.Data.SQLite.SQLiteException E) +// { +// throw new Exception(E.Message); +// } +// } +// } +// } - /// <summary> - /// 执行多条SQL语句,实现数据库事务。 - /// </summary> - /// <param name="SQLStringList">SQL语句的哈希表(key为sql语句,value是该语句的SQLiteParameter[])</param> - public static void ExecuteSqlTran(Hashtable SQLStringList) - { - using (SQLiteConnection conn = new SQLiteConnection(connectionString)) - { - conn.Open(); - using (SQLiteTransaction trans = conn.BeginTransaction()) - { - SQLiteCommand cmd = new SQLiteCommand(); - try - { - //循环 - foreach (DictionaryEntry myDE in SQLStringList) - { - string cmdText = myDE.Key.ToString(); - SQLiteParameter[] cmdParms = (SQLiteParameter[])myDE.Value; - PrepareCommand(cmd, conn, trans, cmdText, cmdParms); - int val = cmd.ExecuteNonQuery(); - cmd.Parameters.Clear(); - } - trans.Commit(); - } - catch (System.Data.SQLite.SQLiteException e) - { - trans.Rollback(); - throw new Exception(e.Message); - } - } - } - } +// /// <summary> +// /// 执行多条SQL语句,实现数据库事务。 +// /// </summary> +// /// <param name="SQLStringList">SQL语句的哈希表(key为sql语句,value是该语句的SQLiteParameter[])</param> +// public static void ExecuteSqlTran(Hashtable SQLStringList) +// { +// using (SQLiteConnection conn = new SQLiteConnection(connectionString)) +// { +// conn.Open(); +// using (SQLiteTransaction trans = conn.BeginTransaction()) +// { +// SQLiteCommand cmd = new SQLiteCommand(); +// try +// { +// //循环 +// foreach (DictionaryEntry myDE in SQLStringList) +// { +// string cmdText = myDE.Key.ToString(); +// SQLiteParameter[] cmdParms = (SQLiteParameter[])myDE.Value; +// PrepareCommand(cmd, conn, trans, cmdText, cmdParms); +// int val = cmd.ExecuteNonQuery(); +// cmd.Parameters.Clear(); +// } +// trans.Commit(); +// } +// catch (System.Data.SQLite.SQLiteException e) +// { +// trans.Rollback(); +// throw new Exception(e.Message); +// } +// } +// } +// } - /// <summary> - /// 执行一条计算查询结果语句,返回查询结果(object)。 - /// </summary> - /// <param name="SQLString">计算查询结果语句</param> - /// <returns>查询结果(object)</returns> - public static object GetSingle(string SQLString, params SQLiteParameter[] cmdParms) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - using (SQLiteCommand cmd = new SQLiteCommand()) - { - try - { - PrepareCommand(cmd, connection, null, SQLString, cmdParms); - object obj = cmd.ExecuteScalar(); - cmd.Parameters.Clear(); - if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) - { - return null; - } - else - { - return obj; - } - } - catch (System.Data.SQLite.SQLiteException e) - { - throw new Exception(e.Message); - } - } - } - } +// /// <summary> +// /// 执行一条计算查询结果语句,返回查询结果(object)。 +// /// </summary> +// /// <param name="SQLString">计算查询结果语句</param> +// /// <returns>查询结果(object)</returns> +// public static object GetSingle(string SQLString, params SQLiteParameter[] cmdParms) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// using (SQLiteCommand cmd = new SQLiteCommand()) +// { +// try +// { +// PrepareCommand(cmd, connection, null, SQLString, cmdParms); +// object obj = cmd.ExecuteScalar(); +// cmd.Parameters.Clear(); +// if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) +// { +// return null; +// } +// else +// { +// return obj; +// } +// } +// catch (System.Data.SQLite.SQLiteException e) +// { +// throw new Exception(e.Message); +// } +// } +// } +// } - /// <summary> - /// 执行查询语句,返回SQLiteDataReader (使用该方法切记要手工关闭SQLiteDataReader和连接) - /// </summary> - /// <param name="strSQL">查询语句</param> - /// <returns>SQLiteDataReader</returns> - public static SQLiteDataReader ExecuteReader(string SQLString, params SQLiteParameter[] cmdParms) - { - SQLiteConnection connection = new SQLiteConnection(connectionString); - SQLiteCommand cmd = new SQLiteCommand(); - try - { - PrepareCommand(cmd, connection, null, SQLString, cmdParms); - SQLiteDataReader myReader = cmd.ExecuteReader(); - cmd.Parameters.Clear(); - return myReader; - } - catch (System.Data.SQLite.SQLiteException e) - { - throw new Exception(e.Message); - } - //finally //不能在此关闭,否则,返回的对象将无法使用 - //{ - // cmd.Dispose(); - // connection.Close(); - //} +// /// <summary> +// /// 执行查询语句,返回SQLiteDataReader (使用该方法切记要手工关闭SQLiteDataReader和连接) +// /// </summary> +// /// <param name="strSQL">查询语句</param> +// /// <returns>SQLiteDataReader</returns> +// public static SQLiteDataReader ExecuteReader(string SQLString, params SQLiteParameter[] cmdParms) +// { +// SQLiteConnection connection = new SQLiteConnection(connectionString); +// SQLiteCommand cmd = new SQLiteCommand(); +// try +// { +// PrepareCommand(cmd, connection, null, SQLString, cmdParms); +// SQLiteDataReader myReader = cmd.ExecuteReader(); +// cmd.Parameters.Clear(); +// return myReader; +// } +// catch (System.Data.SQLite.SQLiteException e) +// { +// throw new Exception(e.Message); +// } +// //finally //不能在此关闭,否则,返回的对象将无法使用 +// //{ +// // cmd.Dispose(); +// // connection.Close(); +// //} - } +// } - /// <summary> - /// 执行查询语句,返回DataSet - /// </summary> - /// <param name="SQLString">查询语句</param> - /// <returns>DataSet</returns> - public static DataSet Query(string SQLString, params SQLiteParameter[] cmdParms) - { - using (SQLiteConnection connection = new SQLiteConnection(connectionString)) - { - SQLiteCommand cmd = new SQLiteCommand(); - PrepareCommand(cmd, connection, null, SQLString, cmdParms); - using (SQLiteDataAdapter da = new SQLiteDataAdapter(cmd)) - { - DataSet ds = new DataSet(); - try - { - da.Fill(ds, "ds"); - cmd.Parameters.Clear(); - } - catch (System.Data.SQLite.SQLiteException ex) - { - throw new Exception(ex.Message); - } - return ds; - } - } - } +// /// <summary> +// /// 执行查询语句,返回DataSet +// /// </summary> +// /// <param name="SQLString">查询语句</param> +// /// <returns>DataSet</returns> +// public static DataSet Query(string SQLString, params SQLiteParameter[] cmdParms) +// { +// using (SQLiteConnection connection = new SQLiteConnection(connectionString)) +// { +// SQLiteCommand cmd = new SQLiteCommand(); +// PrepareCommand(cmd, connection, null, SQLString, cmdParms); +// using (SQLiteDataAdapter da = new SQLiteDataAdapter(cmd)) +// { +// DataSet ds = new DataSet(); +// try +// { +// da.Fill(ds, "ds"); +// cmd.Parameters.Clear(); +// } +// catch (System.Data.SQLite.SQLiteException ex) +// { +// throw new Exception(ex.Message); +// } +// return ds; +// } +// } +// } - public static void PrepareCommand(SQLiteCommand cmd, SQLiteConnection conn, - SQLiteTransaction trans, string cmdText, SQLiteParameter[] cmdParms) - { - if (conn.State != ConnectionState.Open) - conn.Open(); - cmd.Connection = conn; - cmd.CommandText = cmdText; - if (trans != null) - cmd.Transaction = trans; - cmd.CommandType = CommandType.Text;//cmdType; - if (cmdParms != null) - { - foreach (SQLiteParameter parameter in cmdParms) - { - if ((parameter.Direction == ParameterDirection.InputOutput - || parameter.Direction == ParameterDirection.Input) && - (parameter.Value == null)) - { - parameter.Value = DBNull.Value; - } - cmd.Parameters.Add(parameter); - } - } - } +// public static void PrepareCommand(SQLiteCommand cmd, SQLiteConnection conn, +// SQLiteTransaction trans, string cmdText, SQLiteParameter[] cmdParms) +// { +// if (conn.State != ConnectionState.Open) +// conn.Open(); +// cmd.Connection = conn; +// cmd.CommandText = cmdText; +// if (trans != null) +// cmd.Transaction = trans; +// cmd.CommandType = CommandType.Text;//cmdType; +// if (cmdParms != null) +// { +// foreach (SQLiteParameter parameter in cmdParms) +// { +// if ((parameter.Direction == ParameterDirection.InputOutput +// || parameter.Direction == ParameterDirection.Input) && +// (parameter.Value == null)) +// { +// parameter.Value = DBNull.Value; +// } +// cmd.Parameters.Add(parameter); +// } +// } +// } - #endregion +// #endregion - #region 参数转换 - /// <summary> - /// 放回一个SQLiteParameter - /// </summary> - /// <param name="name">参数名字</param> - /// <param name="type">参数类型</param> - /// <param name="size">参数大小</param> - /// <param name="value">参数值</param> - /// <returns>SQLiteParameter的值</returns> - public static SQLiteParameter MakeSQLiteParameter(string name, - DbType type, int size, object value) - { - SQLiteParameter parm = new SQLiteParameter(name, type, size); - parm.Value = value; - return parm; - } +// #region 参数转换 +// /// <summary> +// /// 放回一个SQLiteParameter +// /// </summary> +// /// <param name="name">参数名字</param> +// /// <param name="type">参数类型</param> +// /// <param name="size">参数大小</param> +// /// <param name="value">参数值</param> +// /// <returns>SQLiteParameter的值</returns> +// public static SQLiteParameter MakeSQLiteParameter(string name, +// DbType type, int size, object value) +// { +// SQLiteParameter parm = new SQLiteParameter(name, type, size); +// parm.Value = value; +// return parm; +// } - public static SQLiteParameter MakeSQLiteParameter(string name, DbType type, object value) - { - SQLiteParameter parm = new SQLiteParameter(name, type); - parm.Value = value; - return parm; - } +// public static SQLiteParameter MakeSQLiteParameter(string name, DbType type, object value) +// { +// SQLiteParameter parm = new SQLiteParameter(name, type); +// parm.Value = value; +// return parm; +// } - #endregion - } -} \ No newline at end of file +// #endregion +// } +//} \ No newline at end of file -- Gitblit v1.8.0