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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/qsqlcursor.h:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>qsqlcursor.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>qsqlcursor.h</h1><p>This is the verbatim text of the qsqlcursor.h include file. It is provided only for illustration; the copyright remains with Trolltech.<hr><pre>/******************************************************************************** Definition of QSqlCursor 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 QSQLCURSOR_H#define QSQLCURSOR_H#ifndef QT_H#include "qsqlrecord.h"#include "qstringlist.h"#include "qsqlquery.h"#include "qsqlindex.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 QSqlCursorPrivate;class QM_EXPORT_SQL QSqlCursor : public QSqlRecord, public QSqlQuery{public: QSqlCursor( const QString & name = QString::null, bool autopopulate = TRUE, QSqlDatabase* db = 0 ); QSqlCursor( const QSqlCursor & other ); QSqlCursor& operator=( const QSqlCursor& other ); ~QSqlCursor(); enum Mode { ReadOnly = 0, Insert = 1, Update = 2, Delete = 4, Writable = 7 }; QVariant value( int i ) const; QVariant value( const QString& name ) const; virtual QSqlIndex primaryIndex( bool prime = TRUE ) const; virtual QSqlIndex index( const QStringList& fieldNames ) const; QSqlIndex index( const QString& fieldName ) const; QSqlIndex index( const char* fieldName ) const; virtual void setPrimaryIndex( const QSqlIndex& idx ); virtual void append( const QSqlFieldInfo& fieldInfo ); virtual void insert( int pos, const QSqlFieldInfo& fieldInfo ); void remove( int pos ); void clear(); void setGenerated( const QString& name, bool generated ); void setGenerated( int i, bool generated ); virtual QSqlRecord* editBuffer( bool copy = FALSE ); virtual QSqlRecord* primeInsert(); virtual QSqlRecord* primeUpdate(); virtual QSqlRecord* primeDelete(); virtual int insert( bool invalidate = TRUE ); virtual int update( bool invalidate = TRUE ); virtual int del( bool invalidate = TRUE ); virtual void setMode( int flags ); int mode() const; virtual void setCalculated( const QString& name, bool calculated ); bool isCalculated( const QString& name ) const; virtual void setTrimmed( const QString& name, bool trim ); bool isTrimmed( const QString& name ) const; bool isReadOnly() const; bool canInsert() const; bool canUpdate() const; bool canDelete() const; bool select(); bool select( const QSqlIndex& sort ); bool select( const QSqlIndex & filter, const QSqlIndex & sort ); virtual bool select( const QString & filter, const QSqlIndex & sort = QSqlIndex() ); virtual void setSort( const QSqlIndex& sort ); QSqlIndex sort() const; virtual void setFilter( const QString& filter ); QString filter() const; virtual void setName( const QString& name, bool autopopulate = TRUE ); QString name() const; QString toString( const QString& prefix = QString::null, const QString& sep = "," ) const;protected: void afterSeek(); bool exec( const QString & sql ); virtual QVariant calculateField( const QString& name ); virtual int update( const QString & filter, bool invalidate = TRUE ); virtual int del( const QString & filter, bool invalidate = TRUE ); virtual QString toString( const QString& prefix, QSqlField* field, const QString& fieldSep ) const; virtual QString toString( QSqlRecord* rec, const QString& prefix, const QString& fieldSep, const QString& sep ) const; virtual QString toString( const QSqlIndex& i, QSqlRecord* rec, const QString& prefix, const QString& fieldSep, const QString& sep ) const;private: void sync(); int apply( const QString& q, bool invalidate ); QSqlRecord& operator=( const QSqlRecord & list ); void append( const QSqlField& field ); void insert( int pos, const QSqlField& field ); QSqlCursorPrivate* d;};#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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