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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/src/tools/qtextstream.cpp:2289 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><meta name="Translator" content="Cavendish"><meta name="Qt zh_CN Documents Website" content="http://www.qiliang.net/qt"><title>QTextIStream类</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; font-family: "Times New Roman" }--></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">主页</font></a> | <a href="classes.html"><font color="#004faf">所有的类</font></a> | <a href="mainclasses.html"><font color="#004faf">主要的类</font></a> | <a href="annotated.html"><font color="#004faf">注释的类</font></a> | <a href="groups.html"><font color="#004faf">分组的类</font></a> | <a href="functions.html"><font color="#004faf">函数</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>QTextIStream类参考</h1><p>QTextIStream类是为输入流提供方便的类。<a href="#details">详情请见……</a><p><tt>#include <<a href="qtextstream-h.html">qtextstream.h</a>></tt><p>继承了<a href="qtextstream.html">QTextStream</a>。<p><a href="qtextistream-members.html">所有成员函数的列表。</a><h2>公有成员</h2><ul><li><div class=fn><a href="#QTextIStream"><b>QTextIStream</b></a> ( const QString * s )</div></li><li><div class=fn><a href="#QTextIStream-2"><b>QTextIStream</b></a> ( QByteArray ba )</div></li><li><div class=fn><a href="#QTextIStream-3"><b>QTextIStream</b></a> ( FILE * f )</div></li></ul><hr><a name="details"></a><h2>详细描述</h2>QTextIStream类是为输入流提供方便的类。<p> 对于简单的任务，代码应该更简单，所以这个类是速记的，所以没有传递<em>mode</em>参数给普通的<a href="qtextstream.html">QTextStream</a>的构造函数。<p> 这是一个很简单的例子，就是读这样的东西：<pre> <a href="qstring.html">QString</a> data = "123 456"; int a, b; <a href="#QTextIStream">QTextIStream</a>(&data) >> a >> b;</pre> <p> <p>也可以参考<a href="qtextostream.html">QTextOStream</a>、<a href="io.html">输入/输出和网络</a>和<a href="text.html">文本相关类</a>。<hr><h2>成员函数文档</h2><h3 class=fn><a name="QTextIStream"></a>QTextIStream::QTextIStream ( const <a href="qstring.html">QString</a> * s )</h3><p> 构造一个从字符串<em>s</em>中读取的流。<h3 class=fn><a name="QTextIStream-2"></a>QTextIStream::QTextIStream ( <a href="qbytearray.html">QByteArray</a> ba )</h3><p> 构造一个从数组<em>ba</em>中读取的流。<h3 class=fn><a name="QTextIStream-3"></a>QTextIStream::QTextIStream ( FILE * f )</h3><p> 构造一个从文件<em>f</em>中读取的流。<!-- eof --><hr><p>这个文件是<a href="index.html">Qt工具包</a>一部分。版权所有 © 1995-2002<a href="http://www.trolltech.com/">Trolltech</a>。保留所有权利。<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><a href="zh_CN.html">译者:Cavendish</a><td align=right><div align=right>Qt 3.0.5版</div></table></div></address></body></html>⌨️ 快捷键说明
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