74 lines
4.2 KiB
HTML
74 lines
4.2 KiB
HTML
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<title>std::basic_ios<CharT,Traits>::set_rdbuf</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_io_basic_ios_set_rdbuf skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::basic_ios<CharT,Traits>::</span>set_rdbuf</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-io.html">io</a>‎ | <a href="cpp-io-basic_ios.html">basic ios</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">protected</span><span class="sy4">:</span><br />
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<span class="kw4">void</span> set_rdbuf<span class="br0">(</span> <a href="cpp-io-basic_streambuf.html"><span class="kw1666">std::<span class="me2">basic_streambuf</span></span></a><span class="sy1"><</span>CharT,Traits<span class="sy1">></span><span class="sy2">*</span> sb <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<td></td>
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<td></td>
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<td></td>
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<p>设置关联流缓冲为 <code>sb</code> 而不清除错误状态。</p>
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<p>此成员函数受保护：它为派生流，如 <span class="t-lc"><a href="cpp-io-basic_ofstream.html">std::basic_ofstream</a></span> 或 <span class="t-lc"><a href="cpp-io-basic_istringstream.html">std::basic_istringstream</a></span> 的移动构造函数所调用，作为构造基类和移动流缓冲后的最终步骤：只有最终导出流类知道如何正确移动流缓冲，但需要令 <span class="t-lc"><a href="cpp-io-basic_ios.html">std::basic_ios</a></span> 意识到流的新位置，使得其公开成员函数能访问它。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<table class="t-par-begin">
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<tr class="t-par">
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<td>sb</td>
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<td>-</td>
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<td>要访问的流缓冲</td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">异常</span></h3>
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<p>不抛出。</p>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<td class="mbox-empty-cell"></td>
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<td class="mbox-text" style="">本节未完成<br />
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原因：暂无示例</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div class="t-dsc-member-div">
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<div><a href="cpp-io-basic_ios-rdbuf.html"><span class="t-lines"><span>rdbuf</span></span></a></div>
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</div>
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</td>
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<td>管理相关的流缓冲区<br />
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<span class="t-mark">(公开成员函数)</span></td>
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