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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/doc/indices.doc:500 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Input/Output and Networking</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>Input/Output and Networking</h1> <p> These classes are used to handle input and output to and from externaldevices, processes, files etc. as well as manipulating files and directories.<p> <p><table width="100%"><tr bgcolor=#f0f0f0><td><b><a href="qbuffer.html">QBuffer</a></b><td>I/O device that operates on a QByteArray<tr bgcolor=#f0f0f0><td><b><a href="qclipboard.html">QClipboard</a></b><td>Access to the window system clipboard<tr bgcolor=#f0f0f0><td><b><a href="qdatastream.html">QDataStream</a></b><td>Serialization of binary data to a QIODevice<tr bgcolor=#f0f0f0><td><b><a href="qdir.html">QDir</a></b><td>Access to directory structures and their contents in a platform-independent way<tr bgcolor=#f0f0f0><td><b><a href="qdns.html">QDns</a></b><td>Asynchronous DNS lookups<tr bgcolor=#f0f0f0><td><b><a href="qfile.html">QFile</a></b><td>I/O device that operates on files<tr bgcolor=#f0f0f0><td><b><a href="qfileinfo.html">QFileInfo</a></b><td>System-independent file information<tr bgcolor=#f0f0f0><td><b><a href="qftp.html">QFtp</a></b><td>Implementation of the FTP protocol<tr bgcolor=#f0f0f0><td><b><a href="qhostaddress.html">QHostAddress</a></b><td>IP address<tr bgcolor=#f0f0f0><td><b><a href="qhttp.html">QHttp</a></b><td>Implementation of the HTTP protocol<tr bgcolor=#f0f0f0><td><b><a href="qimageio.html">QImageIO</a></b><td>Parameters for loading and saving images<tr bgcolor=#f0f0f0><td><b><a href="qiodevice.html">QIODevice</a></b><td>The base class of I/O devices<tr bgcolor=#f0f0f0><td><b><a href="qlocalfs.html">QLocalFs</a></b><td>Implementation of a QNetworkProtocol that works on the local file system<tr bgcolor=#f0f0f0><td><b><a href="qlock.html">QLock</a></b><td>Wrapper for a System V shared semaphore<tr bgcolor=#f0f0f0><td><b><a href="qmimesource.html">QMimeSource</a></b><td>Abstraction of objects which provide formatted data of a certain MIME type<tr bgcolor=#f0f0f0><td><b><a href="qmimesourcefactory.html">QMimeSourceFactory</a></b><td>Extensible provider of mime-typed data<tr bgcolor=#f0f0f0><td><b><a href="qnetworkoperation.html">QNetworkOperation</a></b><td>Common operations for network protocols<tr bgcolor=#f0f0f0><td><b><a href="qnetworkprotocol.html">QNetworkProtocol</a></b><td>Common API for network protocols<tr bgcolor=#f0f0f0><td><b><a href="qprocess.html">QProcess</a></b><td>Used to start external programs and to communicate with them<tr bgcolor=#f0f0f0><td><b><a href="qserversocket.html">QServerSocket</a></b><td>TCP-based server<tr bgcolor=#f0f0f0><td><b><a href="qsettings.html">QSettings</a></b><td>Persistent platform-independent application settings<tr bgcolor=#f0f0f0><td><b><a href="qsignal.html">QSignal</a></b><td>Can be used to send signals for classes that don't inherit QObject<tr bgcolor=#f0f0f0><td><b><a href="qsignalmapper.html">QSignalMapper</a></b><td>Bundles signals from identifiable senders<tr bgcolor=#f0f0f0><td><b><a href="qsocket.html">QSocket</a></b><td>Buffered TCP connection<tr bgcolor=#f0f0f0><td><b><a href="qsocketdevice.html">QSocketDevice</a></b><td>Platform-independent low-level socket API<tr bgcolor=#f0f0f0><td><b><a href="qsocketnotifier.html">QSocketNotifier</a></b><td>Support for socket callbacks<tr bgcolor=#f0f0f0><td><b><a href="qtextistream.html">QTextIStream</a></b><td>Convenience class for input streams<tr bgcolor=#f0f0f0><td><b><a href="qtextostream.html">QTextOStream</a></b><td>Convenience class for output streams<tr bgcolor=#f0f0f0><td><b><a href="qtextstream.html">QTextStream</a></b><td>Basic functions for reading and writing text using a QIODevice<tr bgcolor=#f0f0f0><td><b><a href="qurl.html">QUrl</a></b><td>URL parser and simplifies working with URLs<tr bgcolor=#f0f0f0><td><b><a href="qurlinfo.html">QUrlInfo</a></b><td>Stores information about URLs<tr bgcolor=#f0f0f0><td><b><a href="qurloperator.html">QUrlOperator</a></b><td>Common operations on URLs<tr bgcolor=#f0f0f0><td><b><a href="qwindowsmime.html">QWindowsMime</a></b><td>Maps open-standard MIME to Window Clipboard formats</table><!-- 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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