qsqldriver-h.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/include/qsqldriver.h:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>qsqldriver.h Include File</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qsqldriver.h</h1><p>This is the verbatim text of the qsqldriver.h include file. It is provided only for illustration; the copyright remains with Trolltech.<hr><pre>/******************************************************************************** Definition of QSqlDriver class**** Created : 2000-11-03**** Copyright (C) 2000 Trolltech AS. All rights reserved.**** This file is part of the sql module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition licenses may use this** file in accordance with the Qt Commercial License Agreement provided** with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QSQLDRIVER_H#define QSQLDRIVER_H#ifndef QT_H#include "qobject.h"#include "qstring.h"#include "qsqlerror.h"#include "qsqlquery.h"#include "qsqlfield.h"#include "qsqlindex.h"#include "qstringlist.h"#endif // QT_H#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )#define QM_EXPORT_SQL#else#define QM_EXPORT_SQL Q_EXPORT#endif#ifndef QT_NO_SQLclass QSqlDatabase;class QM_EXPORT_SQL QSqlDriver : public QObject{ friend class QSqlDatabase; Q_OBJECTpublic: enum DriverFeature { Transactions, QuerySize, BLOB }; QSqlDriver( QObject * parent=0, const char * name=0 ); ~QSqlDriver(); bool isOpen() const; bool isOpenError() const; virtual bool beginTransaction(); virtual bool commitTransaction(); virtual bool rollbackTransaction(); virtual QStringList tables( const QString& user ) const; virtual QSqlIndex primaryIndex( const QString& tableName ) const; virtual QSqlRecord record( const QString& tableName ) const; virtual QSqlRecord record( const QSqlQuery& query ) const; virtual QSqlRecordInfo recordInfo( const QString& tablename ) const; virtual QSqlRecordInfo recordInfo( const QSqlQuery& query ) const; virtual QString nullText() const; virtual QString formatValue( const QSqlField* field, bool trimStrings = FALSE ) const; QSqlError lastError() const; virtual bool hasFeature( DriverFeature f ) const = 0; virtual bool open( const QString & db, const QString & user = QString::null, const QString & password = QString::null, const QString & host = QString::null, int port = -1 ) = 0; virtual void close() = 0; virtual QSqlQuery createQuery() const = 0;protected: virtual void setOpen( bool o ); virtual void setOpenError( bool e ); virtual void setLastError( const QSqlError& e );private: int dbState; QSqlError error;#if defined(Q_DISABLE_COPY) QSqlDriver( const QSqlDriver & ); QSqlDriver &operator=( const QSqlDriver & );#endif};#endif // QT_NO_SQL#endif</pre><!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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