using System;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using MySql.Data.MySqlClient;
using System.Configuration;
using System.Data.Common;
using System.Collections.Generic;
using System.Text;
namespace DBUtility
{/// <summary>/// 数据访问抽象基础类/// Copyright (C) Maticsoft/// </summary>public abstract class DbHelperMySQL{//数据库连接字符串(web.config来配置)，可以动态更改connectionString支持多数据库.        public static readonly string connectionString = ConfigurationManager.ConnectionStrings["MySqlStr"].ConnectionString;public DbHelperMySQL(){}/// <summary>/// DataTable to tree 根据数据id,txt生成对应的json数据格式/// </summary>/// <param name="dt"></param>/// <param name="pField">Parentid</param>/// <param name="pValue">Parentid value</param>/// <param name="kField">pkid </param>/// <returns></returns>public static string TableToEasyUITreeJson(DataTable dt, string pField, string pValue, string pkid, string pktext, string url){try{StringBuilder sb = new StringBuilder();string filter = String.Format(" {0}='{1}' ", pField, pValue);//获取顶级目录if (pValue == string.Empty || pValue == null){filter = String.Format("{0}='{1}' or {0} is null", pField, pValue);}//filter = "Parentid is null";DataRow[] drs = dt.Select(filter);if (drs.Length < 1) return "";sb.Append("<UL id='treeList'>\n");foreach (DataRow dr in drs){string pcv = dr[pkid].ToString();sb.AppendFormat("<li id='tree{0}'><a href='list.aspx?typeId={0}&ptypeId=#$' title='{1}'>\n", dr[pkid].ToString(), dr[pktext].ToString());sb.AppendFormat("{0}\n</a>", dr[pktext].ToString());//sb.Append("\"checked\":true,");//if (pValue == null || pValue == string.Empty)//根节点没有url//{//    sb.AppendFormat("\"attributes\":\"{0}\"", "");//}//else//{//    sb.AppendFormat("\"attributes\":\"{0}\"", url);//}
sb.Append(TableToEasyUITreeJson(dt, pField, pcv, pkid, pktext, url).TrimEnd(','));sb.Append("</li>\n");}//if (sb.ToString().EndsWith(","))//{//    sb.Remove(sb.Length - 1, 1);//}sb.Append("</ul>\n");return sb.ToString();}catch (Exception){return "";}}public static string TableToEasyUITreeJson(DataTable dt, string pField, string pValue, string pkid){try{StringBuilder sb = new StringBuilder();string filter = String.Format(" {0}='{1}' ", pField, pValue);//获取顶级目录if (pValue == string.Empty || pValue == null){filter = String.Format("{0}='{1}' or {0} is null", pField, pValue);}//filter = "Parentid is null";DataRow[] drs = dt.Select(filter);if (drs.Length < 1) return "";//sb.AppendFormat("{0},", pValue);foreach (DataRow dr in drs){string pcv = dr[pkid].ToString();sb.AppendFormat("{0},", dr[pkid].ToString());sb.Append(TableToEasyUITreeJson(dt, pField, pcv, pkid));}return sb.ToString();}catch (Exception){return "";}}public static DataTable getDataTable(string sql, params MySqlParameter[] pms){DataTable dt;try{using (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand()){cmd.Connection = connection;cmd.CommandText = sql;if (connection.State != ConnectionState.Open)connection.Open();if (pms != null){foreach (MySqlParameter parameter in pms){if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&(parameter.Value == null)){parameter.Value = DBNull.Value;}cmd.Parameters.Add(parameter);}}MySqlDataAdapter mda = new MySqlDataAdapter(cmd);dt = new DataTable();mda.Fill(dt);}}}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}return dt;}#region 公用方法/// <summary>/// 得到最大值/// </summary>/// <param name="FieldName"></param>/// <param name="TableName"></param>/// <returns></returns>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());}}/// <summary>/// 是否存在/// </summary>/// <param name="strSql"></param>/// <returns></returns>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;}}    /// <summary>/// 是否存在（基于MySqlParameter）/// </summary>/// <param name="strSql"></param>/// <param name="cmdParms"></param>/// <returns></returns>public static bool Exists(string strSql, params MySqlParameter[] 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#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 (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand(SQLString, connection)){try{connection.Open();int rows = cmd.ExecuteNonQuery();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){connection.Close();throw e;}}}}/// <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 ExecuteSqlConn(string SQLString,string connectStr){using (MySqlConnection connection = new MySqlConnection(connectStr)){using (MySqlCommand cmd = new MySqlCommand(SQLString, connection)){try{connection.Open();int rows = cmd.ExecuteNonQuery();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){connection.Close();throw e;}}}}public static int ExecuteSqlByTime(string SQLString, int Times){using (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand(SQLString, connection)){try{connection.Open();cmd.CommandTimeout = Times;int rows = cmd.ExecuteNonQuery();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){connection.Close();throw e;}}}}/// <summary>/// 执行MySql和Oracle滴混合事务/// </summary>/// <param name="list">SQL命令行列表</param>/// <param name="oracleCmdSqlList">Oracle命令行列表</param>/// <returns>执行结果 0-由于SQL造成事务失败 -1 由于Oracle造成事务失败 1-整体事务执行成功</returns>public static int ExecuteSqlTran(List<CommandInfo> list, List<CommandInfo> oracleCmdSqlList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();MySqlCommand cmd = new MySqlCommand();cmd.Connection = conn;MySqlTransaction tx = conn.BeginTransaction();cmd.Transaction = tx;try{foreach (CommandInfo myDE in list){string cmdText = myDE.CommandText;MySqlParameter[] cmdParms = (MySqlParameter[])myDE.Parameters;PrepareCommand(cmd, conn, tx, cmdText, cmdParms);if (myDE.EffentNextType == EffentNextType.SolicitationEvent){if (myDE.CommandText.ToLower().IndexOf("count(") == -1){tx.Rollback();throw new Exception("违背要求"+myDE.CommandText+"必须符合select count(..的格式");//return 0;
                            }object obj = cmd.ExecuteScalar();bool isHave = false;if (obj == null && obj == DBNull.Value){isHave = false;}isHave = Convert.ToInt32(obj) > 0;if (isHave){//引发事件
                                myDE.OnSolicitationEvent();}}if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine){if (myDE.CommandText.ToLower().IndexOf("count(") == -1){tx.Rollback();throw new Exception("SQL:违背要求" + myDE.CommandText + "必须符合select count(..的格式");//return 0;
                            }object obj = cmd.ExecuteScalar();bool isHave = false;if (obj == null && obj == DBNull.Value){isHave = false;}isHave = Convert.ToInt32(obj) > 0;if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave){tx.Rollback();throw new Exception("SQL:违背要求" + myDE.CommandText + "返回值必须大于0");//return 0;
                            }if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave){tx.Rollback();throw new Exception("SQL:违背要求" + myDE.CommandText + "返回值必须等于0");//return 0;
                            }continue;}int val = cmd.ExecuteNonQuery();if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0){tx.Rollback();throw new Exception("SQL:违背要求" + myDE.CommandText + "必须有影响行");//return 0;
                        }cmd.Parameters.Clear();}string oraConnectionString = ConfigurationManager.ConnectionStrings["MySqlStr"].ConnectionString;bool res = OracleHelper.ExecuteSqlTran(oraConnectionString, oracleCmdSqlList);if (!res){tx.Rollback();throw new Exception("执行失败");// return -1;
                    }tx.Commit();return 1;}catch (MySql.Data.MySqlClient.MySqlException e){tx.Rollback();throw e;}catch (Exception e){tx.Rollback();throw e;}}}        /// <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 int ExecuteSqlTran(List<String> SQLStringList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();MySqlCommand cmd = new MySqlCommand();cmd.Connection = conn;MySqlTransaction tx = conn.BeginTransaction();cmd.Transaction = tx;try{int count = 0;for (int n = 0; n < SQLStringList.Count; n++){string strsql = SQLStringList[n];if (strsql.Trim().Length > 1){cmd.CommandText = strsql;count += cmd.ExecuteNonQuery();}}tx.Commit();return count;}catch(Exception ex){tx.Rollback();throw ex;return 0;}}}/// <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 (MySqlConnection connection = new MySqlConnection(connectionString)){MySqlCommand cmd = new MySqlCommand(SQLString, connection);MySql.Data.MySqlClient.MySqlParameter myParameter = new MySql.Data.MySqlClient.MySqlParameter("@content", SqlDbType.NText);myParameter.Value = content;cmd.Parameters.Add(myParameter);try{connection.Open();int rows = cmd.ExecuteNonQuery();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}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 (MySqlConnection connection = new MySqlConnection(connectionString)){MySqlCommand cmd = new MySqlCommand(SQLString, connection);MySql.Data.MySqlClient.MySqlParameter myParameter = new MySql.Data.MySqlClient.MySqlParameter("@content", SqlDbType.NText);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 (MySql.Data.MySqlClient.MySqlException e){throw e;}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 (MySqlConnection connection = new MySqlConnection(connectionString)){MySqlCommand cmd = new MySqlCommand(strSQL, connection);MySql.Data.MySqlClient.MySqlParameter myParameter = new MySql.Data.MySqlClient.MySqlParameter("@fs", SqlDbType.Image);myParameter.Value = fs;cmd.Parameters.Add(myParameter);try{connection.Open();int rows = cmd.ExecuteNonQuery();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}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 (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand(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 (MySql.Data.MySqlClient.MySqlException e){connection.Close();throw e;}}}}public static object GetSingle(string SQLString, int Times){using (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand(SQLString, connection)){try{connection.Open();cmd.CommandTimeout = Times;object obj = cmd.ExecuteScalar();if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))){return null;}else{return obj;}}catch (MySql.Data.MySqlClient.MySqlException e){connection.Close();throw e;}}}}/// <summary>/// 执行查询语句，返回MySqlDataReader ( 注意：调用该方法后，一定要对MySqlDataReader进行Close )/// </summary>/// <param name="strSQL">查询语句</param>/// <returns>MySqlDataReader</returns>public static MySqlDataReader ExecuteReader(string strSQL){MySqlConnection connection = new MySqlConnection(connectionString);MySqlCommand cmd = new MySqlCommand(strSQL, connection);try{connection.Open();MySqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);return myReader;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}   }/// <summary>/// 执行查询语句，返回MySqlDataReader ( 注意：调用该方法后，一定要对MySqlDataReader进行Close )/// </summary>/// <param name="strSQL">查询语句</param>/// <returns>MySqlDataReader</returns>public static MySqlDataReader ExecuteReader(string strSQL,string connectionStr){MySqlConnection connection = new MySqlConnection(connectionStr);MySqlCommand cmd = new MySqlCommand(strSQL, connection);try{connection.Open();MySqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);return myReader;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}}/// <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 (MySqlConnection connection = new MySqlConnection(connectionString)){DataSet ds = new DataSet();try{connection.Open();MySqlDataAdapter command = new MySqlDataAdapter(SQLString, connection);command.Fill(ds, "ds");}catch (MySql.Data.MySqlClient.MySqlException 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 QueryConn(string SQLString,string conStr){using (MySqlConnection connection = new MySqlConnection(conStr)){DataSet ds = new DataSet();try{connection.Open();MySqlDataAdapter command = new MySqlDataAdapter(SQLString, connection);command.Fill(ds, "ds");}catch (MySql.Data.MySqlClient.MySqlException ex){throw new Exception(ex.Message);}finally{connection.Close();}return ds;}}public static DataSet Query(string SQLString, int Times){using (MySqlConnection connection = new MySqlConnection(connectionString)){DataSet ds = new DataSet();try{connection.Open();MySqlDataAdapter command = new MySqlDataAdapter(SQLString, connection);command.SelectCommand.CommandTimeout = Times;command.Fill(ds, "ds");}catch (MySql.Data.MySqlClient.MySqlException ex){throw new Exception(ex.Message);}return ds;}}#endregion#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 MySqlParameter[] cmdParms){using (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand()){try{PrepareCommand(cmd, connection, null, SQLString, cmdParms);int rows = cmd.ExecuteNonQuery();cmd.Parameters.Clear();return rows;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}}}}/// <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MySqlParameter[]）</param>public static void ExecuteSqlTran(Hashtable SQLStringList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();using (MySqlTransaction trans = conn.BeginTransaction()){MySqlCommand cmd = new MySqlCommand();try{//循环foreach (DictionaryEntry myDE in SQLStringList){string cmdText = myDE.Key.ToString();MySqlParameter[] cmdParms = (MySqlParameter[])myDE.Value;PrepareCommand(cmd, conn, trans, cmdText, cmdParms);int val = cmd.ExecuteNonQuery();cmd.Parameters.Clear();}trans.Commit();}catch{trans.Rollback();throw;}}}}/// <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MySqlParameter[]）</param>public static int ExecuteSqlTran(System.Collections.Generic.List<CommandInfo> cmdList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();using (MySqlTransaction trans = conn.BeginTransaction()){MySqlCommand cmd = new MySqlCommand();try{ int count = 0;//循环foreach (CommandInfo myDE in cmdList){string cmdText = myDE.CommandText;MySqlParameter[] cmdParms = (MySqlParameter[])myDE.Parameters;PrepareCommand(cmd, conn, trans, cmdText, cmdParms);if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine){if (myDE.CommandText.ToLower().IndexOf("count(") == -1){trans.Rollback();return 0;}object obj = cmd.ExecuteScalar();bool isHave = false;if (obj == null && obj == DBNull.Value){isHave = false;}isHave = Convert.ToInt32(obj) > 0;if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave){trans.Rollback();return 0;}if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave){trans.Rollback();return 0;}continue;}int val = cmd.ExecuteNonQuery();count += val;if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0){trans.Rollback();return 0;}cmd.Parameters.Clear();}trans.Commit();return count;}catch{trans.Rollback();throw;}}}}/// <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MySqlParameter[]）</param>public static void ExecuteSqlTranWithIndentity(System.Collections.Generic.List<CommandInfo> SQLStringList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();using (MySqlTransaction trans = conn.BeginTransaction()){MySqlCommand cmd = new MySqlCommand();try{int indentity = 0;//循环foreach (CommandInfo myDE in SQLStringList){string cmdText = myDE.CommandText;MySqlParameter[] cmdParms = (MySqlParameter[])myDE.Parameters;foreach (MySqlParameter q in cmdParms){if (q.Direction == ParameterDirection.InputOutput){q.Value = indentity;}}PrepareCommand(cmd, conn, trans, cmdText, cmdParms);int val = cmd.ExecuteNonQuery();foreach (MySqlParameter q in cmdParms){if (q.Direction == ParameterDirection.Output){indentity = Convert.ToInt32(q.Value);}}cmd.Parameters.Clear();}trans.Commit();}catch{trans.Rollback();throw;}}}}/// <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MySqlParameter[]）</param>public static void ExecuteSqlTranWithIndentity(Hashtable SQLStringList){using (MySqlConnection conn = new MySqlConnection(connectionString)){conn.Open();using (MySqlTransaction trans = conn.BeginTransaction()){MySqlCommand cmd = new MySqlCommand();try{int indentity = 0;//循环foreach (DictionaryEntry myDE in SQLStringList){string cmdText = myDE.Key.ToString();MySqlParameter[] cmdParms = (MySqlParameter[])myDE.Value;foreach (MySqlParameter q in cmdParms){if (q.Direction == ParameterDirection.InputOutput){q.Value = indentity;}}PrepareCommand(cmd, conn, trans, cmdText, cmdParms);int val = cmd.ExecuteNonQuery();foreach (MySqlParameter q in cmdParms){if (q.Direction == ParameterDirection.Output){indentity = Convert.ToInt32(q.Value);}}cmd.Parameters.Clear();}trans.Commit();}catch{trans.Rollback();throw;}}}}/// <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 MySqlParameter[] cmdParms){using (MySqlConnection connection = new MySqlConnection(connectionString)){using (MySqlCommand cmd = new MySqlCommand()){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 (MySql.Data.MySqlClient.MySqlException e){throw e;}cmd.Dispose();}connection.Close();}}/// <summary>/// 执行查询语句，返回MySqlDataReader ( 注意：调用该方法后，一定要对MySqlDataReader进行Close )/// </summary>/// <param name="strSQL">查询语句</param>/// <returns>MySqlDataReader</returns>public static MySqlDataReader ExecuteReader(string SQLString, params MySqlParameter[] cmdParms){MySqlConnection connection = new MySqlConnection(connectionString);MySqlCommand cmd = new MySqlCommand();try{PrepareCommand(cmd, connection, null, SQLString, cmdParms);MySqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);cmd.Parameters.Clear();return myReader;}catch (MySql.Data.MySqlClient.MySqlException e){throw e;}//            finally//            {//                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 MySqlParameter[] cmdParms){using (MySqlConnection connection = new MySqlConnection(connectionString)){MySqlCommand cmd = new MySqlCommand();PrepareCommand(cmd, connection, null, SQLString, cmdParms);using (MySqlDataAdapter da = new MySqlDataAdapter(cmd)){DataSet ds = new DataSet();try{da.Fill(ds, "ds");cmd.Parameters.Clear();}catch (MySql.Data.MySqlClient.MySqlException ex){throw new Exception(ex.Message);}return ds;}}}private static void PrepareCommand(MySqlCommand cmd, MySqlConnection conn, MySqlTransaction trans, string cmdText, MySqlParameter[] 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 (MySqlParameter parameter in cmdParms){if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&(parameter.Value == null)){parameter.Value = DBNull.Value;}cmd.Parameters.Add(parameter);}}}#endregion/// <summary>// @tblName     nvarchar(200),        ----要显示的表或多个表的连接//@fldName     nvarchar(500) = '*',    ----要显示的字段列表//@pageSize    int = 1,        ----每页显示的记录个数//@page        int = 10,        ----要显示那一页的记录//@pageCount    int = 1 output,            ----查询结果分页后的总页数//@Counts    int = 1 output,                ----查询到的记录数//@fldSort    nvarchar(200) = null,    ----排序字段列表或条件//@Sort        bit = 1,        ----排序方法，0为升序，1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如：' SortA Asc,SortB Desc,SortC ')//@strCondition    nvarchar(1000) = null,    ----查询条件,不需where//@ID        nvarchar(150),        ----主表的主键//@Dist                 bit = 0           ----是否添加查询字段的 DISTINCT 默认0不添加/1添加/// </summary>/// <param name="tblName"></param>/// <param name="fldName"></param>/// <param name="pagesize"></param>/// <param name="page"></param>/// <param name="pagecout"></param>/// <param name="counts"></param>/// <param name="fldSort"></param>/// <param name="Sort"></param>/// <param name="strCondition"></param>/// <param name="ID"></param>/// <param name="Dist"></param>/// <returns></returns>public static DataTable RunProcedure_GetListPage(string tblName,string fldName,int pagesize,int page,ref int pagecout,ref int counts,string fldSort,int Sort,string strCondition,string ID,int Dist){DataTable dt;try{using (MySqlConnection connection = new MySqlConnection(connectionString)){connection.Open();MySqlCommand cmd = new MySqlCommand();cmd.Connection = connection;cmd.CommandText = "P_ListPage";cmd.CommandType = CommandType.StoredProcedure;IDataParameter[] parameters = new IDataParameter[] { new MySqlParameter("?p_table_name", MySqlDbType.VarChar, 100), new MySqlParameter("?p_fields", MySqlDbType.VarChar, 100), new MySqlParameter("?p_page_size", MySqlDbType.Int32),                         new MySqlParameter("?p_page_now", MySqlDbType.Int32), new MySqlParameter("?p_pagecount", MySqlDbType.Int32), new MySqlParameter("?p_totals", MySqlDbType.Int32), new MySqlParameter("?p_fldSort", MySqlDbType.VarChar, 200), new MySqlParameter("?p_sort", MySqlDbType.Int32), new MySqlParameter("?p_where_string", MySqlDbType.VarChar, 200), new MySqlParameter("?p_id", MySqlDbType.VarChar, 200)};parameters[0].Value = tblName;parameters[1].Value = fldName;parameters[2].Value = pagesize;parameters[3].Value = page;parameters[4].Direction = ParameterDirection.Output;parameters[5].Direction = ParameterDirection.Output;parameters[6].Value = fldSort;parameters[7].Value = Sort;parameters[8].Value = " 1=1 ";if (strCondition != null){parameters[8].Value = " 1=1 and  " + strCondition;}parameters[9].Value = ID;for (int i = 0; i < parameters.Length; i++){cmd.Parameters.Add(parameters[i]);}MySqlDataAdapter dp = new MySqlDataAdapter(cmd);DataSet ds = new DataSet();dp.Fill(ds);pagecout = int.Parse(ds.Tables[1].Rows[0]["p_pagecount"].ToString());counts = int.Parse(ds.Tables[1].Rows[0]["p_totals"].ToString());dt = ds.Tables[0];}}catch (Exception ex){throw ex;}return dt;}/// <summary>// @tblName     nvarchar(200),        ----要显示的表或多个表的连接//@fldName     nvarchar(500) = '*',    ----要显示的字段列表//@pageSize    int = 1,        ----每页显示的记录个数//@page        int = 10,        ----要显示那一页的记录//@pageCount    int = 1 output,            ----查询结果分页后的总页数//@Counts    int = 1 output,                ----查询到的记录数//@fldSort    nvarchar(200) = null,    ----排序字段列表或条件//@Sort        bit = 1,        ----排序方法，0为升序，1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如：' SortA Asc,SortB Desc,SortC ')//@strCondition    nvarchar(1000) = null,    ----查询条件,不需where//@ID        nvarchar(150),        ----主表的主键//@Dist                 bit = 0           ----是否添加查询字段的 DISTINCT 默认0不添加/1添加/// </summary>/// <param name="tblName"></param>/// <param name="fldName"></param>/// <param name="pagesize"></param>/// <param name="page"></param>/// <param name="pagecout"></param>/// <param name="counts"></param>/// <param name="fldSort"></param>/// <param name="Sort"></param>/// <param name="strCondition"></param>/// <param name="ID"></param>/// <param name="Dist"></param>/// <returns></returns>public static DataTable RunProcedure_GetListPagebySort(string tblName,string fldName,int pagesize,int page,ref int pagecout,ref int counts,string p_order_string,string strCondition,string ID,int Dist){DataTable dt;try{using (MySqlConnection connection = new MySqlConnection(connectionString)){connection.Open();MySqlCommand cmd = new MySqlCommand();cmd.Connection = connection;cmd.CommandText = "P_ListPagebySort";cmd.CommandType = CommandType.StoredProcedure;IDataParameter[] parameters = new IDataParameter[] { new MySqlParameter("?p_table_name", MySqlDbType.VarChar, 100), new MySqlParameter("?p_fields", MySqlDbType.VarChar, 100), new MySqlParameter("?p_page_size", MySqlDbType.Int32),                         new MySqlParameter("?p_page_now", MySqlDbType.Int32), new MySqlParameter("?p_pagecount", MySqlDbType.Int32), new MySqlParameter("?p_totals", MySqlDbType.Int32), new MySqlParameter("?p_order_string", MySqlDbType.VarChar, 200),                         new MySqlParameter("?p_where_string", MySqlDbType.VarChar, 200), new MySqlParameter("?p_id", MySqlDbType.VarChar, 200)};parameters[0].Value = tblName;parameters[1].Value = fldName;parameters[2].Value = pagesize;parameters[3].Value = page;parameters[4].Direction = ParameterDirection.Output;parameters[5].Direction = ParameterDirection.Output;parameters[6].Value = p_order_string;                    parameters[7].Value = " 1=1 ";if (strCondition != null){parameters[7].Value = " 1=1 and  " + strCondition;}parameters[8].Value = ID;for (int i = 0; i < parameters.Length; i++){cmd.Parameters.Add(parameters[i]);}MySqlDataAdapter dp = new MySqlDataAdapter(cmd);DataSet ds = new DataSet();dp.Fill(ds);pagecout = int.Parse(ds.Tables[1].Rows[0]["p_pagecount"].ToString());counts = int.Parse(ds.Tables[1].Rows[0]["p_totals"].ToString());dt = ds.Tables[0];}}catch (Exception ex){dt = new DataTable();}return dt;}/// <summary>// @tblName     nvarchar(200),        ----要显示的表或多个表的连接//@fldName     nvarchar(500) = '*',    ----要显示的字段列表//@pageSize    int = 1,        ----每页显示的记录个数//@page        int = 10,        ----要显示那一页的记录//@pageCount    int = 1 output,            ----查询结果分页后的总页数//@Counts    int = 1 output,                ----查询到的记录数//@fldSort    nvarchar(200) = null,    ----排序字段列表或条件//@Sort        bit = 1,        ----排序方法，0为升序，1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如：' SortA Asc,SortB Desc,SortC ')//@strCondition    nvarchar(1000) = null,    ----查询条件,不需where//@ID        nvarchar(150),        ----主表的主键//@Dist                 bit = 0           ----是否添加查询字段的 DISTINCT 默认0不添加/1添加/// </summary>/// <param name="tblName"></param>/// <param name="fldName"></param>/// <param name="pagesize"></param>/// <param name="page"></param>/// <param name="pagecout"></param>/// <param name="counts"></param>/// <param name="fldSort"></param>/// <param name="Sort"></param>/// <param name="strCondition"></param>/// <param name="ID"></param>/// <param name="Dist"></param>/// <returns></returns>public static DataTable RunProcedure_GetListPagebyGroup(string tblName,string fldName,int pagesize,int page,ref int pagecout,ref int selfcounts,ref int counts,string p_order_string,string strCondition,string strgroup,string ID,int Dist){DataTable dt;try{using (MySqlConnection connection = new MySqlConnection(connectionString)){connection.Open();MySqlCommand cmd = new MySqlCommand();cmd.Connection = connection;cmd.CommandText = "P_ListPagebyGroup";cmd.CommandType = CommandType.StoredProcedure;IDataParameter[] parameters = new IDataParameter[] { new MySqlParameter("?p_table_name", MySqlDbType.VarChar, 100), new MySqlParameter("?p_fields", MySqlDbType.VarChar, 1000), new MySqlParameter("?p_page_size", MySqlDbType.Int32),                         new MySqlParameter("?p_page_now", MySqlDbType.Int32), new MySqlParameter("?p_pagecount", MySqlDbType.Int32), new MySqlParameter("?p_totals", MySqlDbType.Int32), new MySqlParameter("?p_order_string", MySqlDbType.VarChar, 200),                         new MySqlParameter("?p_where_string", MySqlDbType.VarChar, 200), new MySqlParameter("?p_group_string", MySqlDbType.VarChar, 200), new MySqlParameter("?p_id", MySqlDbType.VarChar, 200)};parameters[0].Value = tblName;parameters[1].Value = fldName;parameters[2].Value = pagesize;parameters[3].Value = page;parameters[4].Direction = ParameterDirection.Output;parameters[5].Direction = ParameterDirection.Output;parameters[6].Value = p_order_string;parameters[7].Value = " 1=1 ";if (strCondition != null){parameters[7].Value = " 1=1 and  " + strCondition;}if (strgroup != null && strgroup !=""){parameters[8].Value = strgroup;}parameters[9].Value = ID;for (int i = 0; i < parameters.Length; i++){cmd.Parameters.Add(parameters[i]);}MySqlDataAdapter dp = new MySqlDataAdapter(cmd);DataSet ds = new DataSet();dp.Fill(ds);pagecout = int.Parse(ds.Tables[1].Rows[0]["p_pagecount"].ToString());selfcounts = int.Parse(ds.Tables[1].Rows[0]["p_totals"].ToString());dt = ds.Tables[0];}}catch (Exception ex){dt = new DataTable();}return dt;}}}