using System;
using System.Collections;
using System.Collections.Specialized;
using System.Text;
using System.Data;
using System.Configuration;
using System.Reflection;
using System.Xml;
namespace DBFactory
{
/// <summary>
/// DBOperator数据库操作对象
/// 创建者：Richard.Liu
/// 20130926升级为支持同一个数据库连接支持多线程调用，所有函数全部重写
/// </summary>
public class DBOperator
{
object lockob = new object();//20120510
#region 原创
private IDictionary settings;
private string _connstring;
private DBFactory _dbf;
private IDbConnection _dbconn;
private IDbTransaction _dbtrans;
private string _DBConnInfo;
private StringBuilder sbsql = new StringBuilder();
/// <summary>
/// 数据库操作错误信息
/// </summary>
public string DBConnInfo
{
get { return _DBConnInfo; }
//set { _DBConnInfo = value; }
}
/// <summary>
/// 通过读取DBFactory.dll.config创建DBFactory的实例；
/// 初始化数据库连接字符串ConnString
/// </summary>
public DBOperator()
{
try
{
settings = GetConfig();
if (settings.Count < 1)
{
_DBConnInfo = "数据库工厂的设置参数读取错误!";
return;
}
else
{
_connstring = settings["ConnString"].ToString();
string classname = "DBFactory." + settings["DBFactory"];
this._dbf = (DBFactory)Assembly.Load("DBFactory").CreateInstance(classname);
Open();
}
}
catch(Exception ex)
{
_DBConnInfo = ex.Message;
throw ex;
}
}
/// <summary>
/// 通过读取DBFactory.dll.config创建DBFactory的实例；
/// 初始化数据库连接字符串ConnString
/// </summary>
/// <param name="ConnString">数据库连接参数</param>
public DBOperator(string ConnString)
{
try
{
settings = GetConfig();
if (settings.Count < 1)
{
_DBConnInfo = "数据库工厂的设置参数读取错误!";
return;
}
else
{
_connstring = settings[ConnString].ToString();
string classname = "DBFactory." + settings["DBFactory"];
this._dbf = (DBFactory)Assembly.Load("DBFactory").CreateInstance(classname);
Open();
}
}
catch (Exception ex)
{
_DBConnInfo = ex.Message;
//throw ex;
}
}
/// <summary>
/// 通过读取DBFactory.dll.config创建DBFactory的实例；
/// 初始化数据库连接字符串ConnString
/// </summary>
/// <param name="ConnString">数据库连接参数</param>
/// <param name="DbFactory">数据库类工厂参数</param>
public DBOperator(string ConnString, string DbFactory)
{
try
{
settings = GetConfig();
if (settings.Count < 1)
{
_DBConnInfo = "数据库工厂的设置参数读取错误!";
return;
}
else
{
_connstring = settings[ConnString].ToString();
string classname = "DBFactory." + settings[DbFactory];
this._dbf = (DBFactory)Assembly.Load("DBFactory").CreateInstance(classname);
Open();
}
}
catch (Exception ex)
{
_DBConnInfo = ex.Message;
//throw ex;
}
}
/// <summary>
/// 默认传递值参false，代表不连接数据库，只是为了修改数据库连接配置
/// </summary>
/// <param name="ConnError"></param>
public DBOperator(bool ConnError)
{
ConnError = false;
}
/// <summary>
/// 获得配置文件路径和文件名
/// </summary>
/// <returns></returns>
private string AppConfig()
{
Assembly asm = Assembly.GetCallingAssembly();
string cfgFile = asm.Location + ".config";
return cfgFile;
}
/// <summary>
/// 获得指定项（Key）的值
/// </summary>
/// <param name="appKey"></param>
/// <returns></returns>
public string GetValue(string appKey)
{
XmlDocument xDoc = new XmlDocument();
try
{
xDoc.Load(AppConfig());
XmlNode xNode;
XmlElement xElem;
xNode = xDoc.SelectSingleNode("//appSettings");
xElem = (XmlElement)xNode.SelectSingleNode("//add[@key='" + appKey + "']");
if (xElem != null)
return xElem.GetAttribute("value");
else
return "";
}
catch (Exception)
{
return "";
}
}
/// <summary>
/// 设定指定项的值
/// </summary>
/// <param name="AppKey"></param>
/// <param name="AppValue"></param>
public void SetValue(string AppKey, string AppValue)
{
try
{
XmlDocument xDoc = new XmlDocument();
xDoc.Load(AppConfig());
XmlNode xNode;
XmlElement xElem1;
XmlElement xElem2;
xNode = xDoc.SelectSingleNode("//appSettings");
xElem1 = (XmlElement)xNode.SelectSingleNode("//add[@key='" + AppKey + "']");
if (xElem1 != null)
{
xElem1.SetAttribute("value", AppValue);
}
else
{
xElem2 = xDoc.CreateElement("add");
xElem2.SetAttribute("key", AppKey);
xElem2.SetAttribute("value", AppValue);
xNode.AppendChild(xElem2);
}
xDoc.Save(AppConfig());
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 通过读取XML文档获得DBFactory.dll.config的内容
/// </summary>
/// <returns>appSettings所有key的值</returns>
private IDictionary GetConfig()
{
// Open and parse configuration file for specified
// assembly, returning collection to caller for future
// use outside of this class.
//
try
{
Assembly asm= Assembly.GetCallingAssembly();
string cfgFile = asm.Location + ".config";
const string nodeName = "appSettings";
XmlDocument doc = new XmlDocument();
doc.Load(cfgFile);//20100726
XmlNodeList nodes = doc.GetElementsByTagName(nodeName);
foreach (XmlNode node in nodes)
{
if (node.LocalName == nodeName)
{
DictionarySectionHandler handler = new DictionarySectionHandler();
return (IDictionary)handler.Create(null, null, node);
}
}
}
catch(Exception ex)
{
throw(ex);
}
return (null);
}
/// <summary>
/// 打开数据库联接
/// </summary>
/// <returns>ｔｒｕｅ代表连接成功</returns>
public bool Open()
{
try
{
_dbconn = _dbf.GetDBConnection();
if (_dbconn.State == ConnectionState.Open)
{
return true;
}
_dbconn.ConnectionString = _connstring;
_dbconn.Open();
return true;
}
catch (Exception ex)
{
_DBConnInfo = ex.Message;
//throw ex;
return false;
}
}
/// <summary>
/// 关闭数据库连接
/// </summary>
public void Close()
{
try
{
//20130620if (_dbconn.State == ConnectionState.Open)
//{
_dbconn.Close();
//}
}
catch (Exception ex)
{
_DBConnInfo = ex.Message;
throw ex;
}
}
/// <summary>
/// 数据库事务开始
/// </summary>
/// <param name="LockAction">指定连接的事务索行为</param>
public void TransBegin(IsolationLevel LockAction)
{
try
{
Open();//20091218
_dbtrans = _dbf.GetDBTransaction(LockAction);
}
catch (Exception ex)
{
Close();//20091218
throw ex;
}
}
/// <summary>
/// 数据库事务开始；默认的连接的事务索行为IsolationLevel.ReadCommitted
/// 在正在读取数据时保持共享锁
/// </summary>
public void TransBegin()
{
try
{
Open();//20091218
_dbtrans = _dbf.GetDBTransaction(IsolationLevel.ReadCommitted);
}
catch (Exception ex)
{
Close();//20091218
throw ex;
}
}
/// <summary>
/// 事务提交
/// </summary>
public void TransCommit()
{
try
{
_dbtrans.Commit();
}
catch(Exception ex)
{
throw ex;
}
}
/// <summary>
/// 事务回滚
/// </summary>
public void TransRollback()
{
try
{
_dbtrans.Rollback();
}
catch (Exception ex)
{ throw ex; }
}
/// <summary>
/// 执行SQL语句，该命令最好在数据层应用；在业务逻辑层最好用模型类作为参数和返回值
/// </summary>
/// <param name="sql"></param>
/// <returns></returns>
public DataSet ExceSQL(string sql)
{//20100108
lock (lockob)////20130306richard.liu
{
DataSet ds;
sbsql.Clear();
sbsql.Append(sql);
try
{
//20091218
Open();
IDbCommand dbc = _dbf.GetDBCommand();
if (_dbtrans != null)
{
dbc.Transaction = _dbtrans;
}
dbc.Connection = _dbconn;
dbc.CommandText = sbsql.ToString();
IDbDataAdapter ida = _dbf.GetDataAdapter(dbc);
//20100108
ds = new DataSet();
ida.Fill(ds);
return ds;
}
catch (Exception ex)
{
//20091218
Close();
_DBConnInfo = ex.Message;
throw ex;
//return null;
}
finally
{//20100108
ds = null;
}
}
}
#endregion
#region 借用网络改型
#region 公用方法
public int GetMaxID(string FieldName, string TableName)
{
lock (lockob)
{
string fn = FieldName; string tn = TableName;
string strsql = "select max(" + fn + ")+1 from " + tn;
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
}
public int GetMaxID(string FieldName, string TableName, string ConditionFieldName, string ConditionValue)
{
lock (lockob)
{
string fieldName = FieldName; string tableName = TableName; string conditionFieldName = ConditionFieldName; string conditionValue = ConditionValue;
string strsql = "select max(" + fieldName + ")+1 from " + tableName + " where " + conditionFieldName + "=" + conditionValue;
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
}
public bool Exists(string strSql)
{
lock (lockob)
{
sbsql.Clear();
sbsql.Append(strSql);
object obj = GetSingle(sbsql.ToString());
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 bool Exists(string strSql, params IDbDataParameter[] cmdParms)
{
lock (lockob)
{
string strsql=strSql; IDbDataParameter[] cmdParms1=cmdParms;
object obj = GetSingle(strsql, cmdParms1);
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 int ExecuteSql(string SQLString)
{
lock (lockob)//20120510
{
sbsql.Clear();
sbsql.Append(SQLString);
using (IDbCommand cmd = _dbf.GetDBCommand(sbsql.ToString(), _dbconn))
{
try
{
Open();//20091218
if (_dbtrans != null)
{
cmd.Transaction = _dbtrans;
}
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (Exception E)
{
Close();//20091218
throw E;
}
}
}
}
/// <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 int ExecuteSqlByTime(string SQLString, int Times)
{
lock (lockob)
{
sbsql.Clear();
sbsql.Append(SQLString);
int tim = Times;
using (IDbCommand cmd = _dbf.GetDBCommand(sbsql.ToString(), _dbconn))
{
try
{
Open();
cmd.CommandTimeout = tim;
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (Exception E)
{
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 void ExecuteSqlTran(ArrayList SQLStringList)
{
lock (lockob)
{
ArrayList sqlStringList = SQLStringList;
Open();
IDbCommand cmd = _dbf.GetDBCommand();//IDbCommand cmd = _dbf.GetDBCommand();
cmd.Connection = _dbconn;
TransBegin();
cmd.Transaction = _dbtrans;
try
{
for (int n = 0; n < sqlStringList.Count; n++)
{
string strsql = sqlStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
cmd.ExecuteNonQuery();
}
}
TransCommit();
}
catch (Exception E)
{
TransRollback();
throw new Exception(E.Message);
}
}
}
/// <summary>
/// 执行带一个存储过程参数的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 int ExecuteSql(string SQLString, string content)
{
lock (lockob)
{
string sqlString = SQLString; string content1 = content;
IDbCommand cmd = _dbf.GetDBCommand(sqlString, _dbconn);
IDbDataParameter myParameter = _dbf.GetParameter("@content", DbType.String);
myParameter.Value = content1;
cmd.Parameters.Add(myParameter);
try
{
Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (Exception E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
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 object ExecuteSqlGet(string SQLString, string content)
{
lock (lockob)
{
string sqlString = SQLString; string content1 = content;
IDbCommand cmd = _dbf.GetDBCommand(sqlString, _dbconn);
IDbDataParameter myParameter = _dbf.GetParameter("@content", DbType.String);
myParameter.Value = content1;
cmd.Parameters.Add(myParameter);
try
{
Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (Exception E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
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 int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
lock (lockob)
{
string strSQL1 = strSQL; byte[] fs1=fs;
IDbCommand cmd = _dbf.GetDBCommand(strSQL1, _dbconn);
IDbDataParameter myParameter = _dbf.GetParameter("@fs", DbType.Binary);
myParameter.Value = fs1;
cmd.Parameters.Add(myParameter);
try
{
Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (Exception E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
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 object GetSingle(string SQLString)
{
lock (lockob)//20120510
{
sbsql.Clear();
sbsql.Append( SQLString);
using (IDbCommand cmd = _dbf.GetDBCommand(sbsql.ToString(), _dbconn))
{
try
{
Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (Exception e)
{
Close();
throw new Exception(e.Message);
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader(使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public IDataReader ExecuteReader(string strSQL)
{
lock (lockob)
{
sbsql.Clear();
sbsql.Append( strSQL);
IDbCommand cmd = _dbf.GetDBCommand(sbsql.ToString(), _dbconn);
try
{
Open();
IDataReader myReader = _dbf.GetDataReader(cmd);
return myReader;
}
catch (Exception 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();
// Close();
//}
}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public DataSet Query(string SQLString)
{
lock (lockob)
{
sbsql.Clear();
sbsql.Append(SQLString);
try
{
IDbCommand dbc = _dbf.GetDBCommand();
if (_dbtrans != null)
{
dbc.Transaction = _dbtrans;
}
dbc.Connection = _dbconn;
dbc.CommandText = sbsql.ToString();
IDbDataAdapter ida = _dbf.GetDataAdapter(dbc);
DataSet ds = new DataSet();
ida.Fill(ds);
return ds;
}
catch (Exception ex)
{
_DBConnInfo = ex.Message;
throw ex;
//return null;
}
}
}
/// <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 DataSet Query(string SQLString, int Times)
{
lock (lockob)
{
string SQLString1 = SQLString; int tim = Times;
DataSet ds = new DataSet();
try
{
Open();
IDbCommand dbc = _dbf.GetDBCommand();
if (_dbtrans != null)
{
dbc.Transaction = _dbtrans;
}
dbc.Connection = _dbconn;
dbc.CommandText = SQLString1;
IDbDataAdapter command = _dbf.GetDataAdapter(dbc);
command.SelectCommand.CommandTimeout = tim;
command.Fill(ds);
}
catch (Exception 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 int ExecuteSql(string SQLString, params IDbDataParameter[] cmdParms)
{
lock (lockob)
{
string SQLString1 = SQLString; IDbDataParameter[] cmdParms1 = cmdParms;
using (IDbCommand cmd = _dbf.GetDBCommand())
{
try
{
PrepareCommand(cmd, _dbconn, null, SQLString1, cmdParms1);
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (Exception 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SqlParameter[]）</param>
public void ExecuteSqlTran(Hashtable SQLStringList)
{
lock (lockob)
{Hashtable SQLStringList1=SQLStringList;
Open();
TransBegin();
IDbCommand cmd = _dbf.GetDBCommand();
try
{
//循环
foreach (DictionaryEntry myDE in SQLStringList1)
{
string cmdText = myDE.Key.ToString();
IDbDataParameter[] cmdParms = (IDbDataParameter[])myDE.Value;
PrepareCommand(cmd, _dbconn, _dbtrans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
TransCommit();
}
}
catch
{
TransRollback();
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 object GetSingle(string SQLString, params IDbDataParameter[] cmdParms)
{
lock (lockob)
{
string SQLString1 = SQLString; IDbDataParameter[] cmdParms1 = cmdParms;
using (IDbCommand cmd = _dbf.GetDBCommand())
{
try
{
PrepareCommand(cmd, _dbconn, null, SQLString1, cmdParms1);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader (使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public IDataReader ExecuteReader(string SQLString, params IDbDataParameter[] cmdParms)
{
lock (lockob)
{
string SQLString1=SQLString; IDbDataParameter[] cmdParms1 = cmdParms;
IDbCommand cmd = _dbf.GetDBCommand();
try
{
PrepareCommand(cmd, _dbconn, null, SQLString1, cmdParms1);
IDataReader myReader = _dbf.GetDataReader(cmd);
cmd.Parameters.Clear();
return myReader;
}
catch (Exception 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();
// Close();
//}
}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public DataSet Query(string SQLString, params IDbDataParameter[] cmdParms)
{
lock (lockob)
{
string SQLString1 = SQLString; IDbDataParameter[] cmdParms1 = cmdParms;
IDbCommand cmd = _dbf.GetDBCommand();
PrepareCommand(cmd, _dbconn, null, SQLString1, cmdParms1);
IDataAdapter da = _dbf.GetDataAdapter(cmd);
DataSet ds = new DataSet();
try
{
da.Fill(ds);
cmd.Parameters.Clear();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
return ds;
}
}
private void PrepareCommand(IDbCommand cmd, IDbConnection conn, IDbTransaction trans, string cmdText,
IDbDataParameter[] cmdParms)
{
Open();
cmd.Connection = _dbconn;
cmd.CommandText = cmdText;
if (trans != null)
cmd.Transaction = trans;
cmd.CommandType = CommandType.Text;//cmdType;
if (cmdParms != null)
{
foreach (IDbDataParameter parameter in cmdParms)
{
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction ==
ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
cmd.Parameters.Add(parameter);
}
}
}
#endregion
#region 存储过程操作
/// <summary>
/// 执行存储过程 (使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlDataReader</returns>
public IDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
{
lock (lockob)
{
string storedProcName1 = storedProcName; IDataParameter[] parameters1 = parameters;
IDataReader returnReader;
Open();
IDbCommand command = BuildQueryCommand(_dbconn, storedProcName1, parameters1);
command.CommandType = CommandType.StoredProcedure;
returnReader = _dbf.GetDataReader(command);
//Close(); 不能在此关闭，否则，返回的对象将无法使用
return returnReader;
}
}
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="tableName">DataSet结果中的表名</param>
/// <returns>DataSet</returns>
public DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
{
lock (lockob)
{
string storedProcName1 = storedProcName; IDataParameter[] parameters1 = parameters; string tableName1 = tableName;
DataSet dataSet = new DataSet();
Open();
IDbDataAdapter sqlDA = _dbf.GetDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(_dbconn, storedProcName1, parameters1);
sqlDA.Fill(dataSet);
Close();
return dataSet;
}
}
/// <summary>
/// 获取管理任务表的主键索引
/// </summary>
/// <param name="tableName">表名称</param>
/// <returns></returns>
public int GetManageTableIndex(string tableName)
{
lock (lockob)
{
string tableName1 = tableName;
IDbCommand command;
IDataParameter[] arParms = new IDataParameter[3];//20101028
arParms[0] = _dbf.GetParameter("@pTableName", DbType.String);
arParms[0].Value = tableName1;
arParms[0].DbType = DbType.String;
arParms[1] = _dbf.GetParameter("@pReturnValue", DbType.Int32);
arParms[1].Direction = ParameterDirection.Output;
arParms[1].DbType = DbType.Int32;
arParms[2] = _dbf.GetParameter("@pKeyFieldName", DbType.String);//20101028
arParms[2].Value = "CONTROL_APPLY_ID";//20101028
arParms[2].DbType = DbType.String;//20101028
try
{
command = BuildQueryCommand(_dbconn, "UP_GET_TABLEID", arParms);
command.ExecuteNonQuery();
}
catch (Exception ex)
{
throw (ex);
}
return (int)arParms[1].Value;
}
}
public int GetManageTableIndex(string tableName, bool IfSQLServer)
{
lock (lockob)
{
string tableName1 = tableName; bool IfSQLServer1 = IfSQLServer;
if (IfSQLServer1 == true)
{//20130510 IO_CONTROL_APPLY
return GetManageTableIndex(tableName1);
}
DataView DV = ExceSQL("select IO_CONTROL_APPLY_SEQ.NEXTVAL FROM DUAL").Tables[0].DefaultView;
try
{
if (DV.Count > 0)
{
return Convert.ToInt32(DV[0][0]);
}
else
{
return 1;
}
}
catch (Exception ex)
{
throw (ex);
}
}
}
public DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
{
lock (lockob)
{
string storedProcName1 = storedProcName; IDataParameter[] parameters1 = parameters; string tableName1 = tableName; int Times1 = Times;
DataSet dataSet = new DataSet();
Open();
IDbDataAdapter sqlDA = _dbf.GetDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(_dbconn, storedProcName1, parameters1);
sqlDA.SelectCommand.CommandTimeout = Times1;
sqlDA.Fill(dataSet);
Close();
return dataSet;
}
}
/// <summary>
/// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值)
/// </summary>
/// <param name="_dbconn">数据库连接</param>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand</returns>
private IDbCommand BuildQueryCommand(IDbConnection _dbconn, string storedProcName, IDataParameter[]
parameters)
{
IDbCommand command = _dbf.GetDBCommand(storedProcName, _dbconn);
command.CommandType = CommandType.StoredProcedure;
foreach (IDataParameter parameter in parameters)
{
if (parameter != null)
{
// 检查未分配值的输出参数,将其分配以DBNull.Value.
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction ==
ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
command.Parameters.Add(parameter);
}
}
return command;
}
///// <summary>
///// 执行存储过程，返回影响的行数
///// </summary>
///// <param name="storedProcName">存储过程名</param>
///// <param name="parameters">存储过程参数</param>
///// <param name="rowsAffected">影响的行数</param>
///// <returns></returns>
//public int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
//{
// int result;
// Open();
// IDbCommand command = BuildIntCommand(_dbconn, storedProcName, parameters);
// rowsAffected = command.ExecuteNonQuery();
// result = (int)command.Parameters["ReturnValue"].Value;
// //Close();
// return result;
//}
///// <summary>
///// 创建 SqlCommand 对象实例(用来返回一个整数值)
///// </summary>
///// <param name="storedProcName">存储过程名</param>
///// <param name="parameters">存储过程参数</param>
///// <returns>SqlCommand 对象实例</returns>
//private IDbCommand BuildIntCommand(IDbConnection _dbconn, string storedProcName, IDataParameter[] parameters)
//{
// IDbCommand command = BuildQueryCommand(_dbconn, storedProcName, parameters);
// command.Parameters.Add(_dbf.GetParameter("ReturnValue",
// SqlDbType.Int, 4, ParameterDirection.ReturnValue,
// false, 0, 0, string.Empty, DataRowVersion.Default, null));
// return command;
//}
#endregion
#endregion
}
}