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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>ostreambuf_iterator</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-iterator.html">iterator</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-iterator.html">&lt;iterator&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> CharT, <span class="kw1">class</span> Traits <span class="sy1">=</span> <a href="cpp-string-char_traits.html"><span class="kw1266">std::<span class="me2">char_traits</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span><br /></span>
<p><span class="kw1">class</span> ostreambuf_iterator <span class="sy4">:</span> <span class="kw1">public</span> <a href="cpp-iterator-iterator.html"><span class="kw657">std::<span class="me2">iterator</span></span></a><span class="sy1">&lt;</span><a href="cpp-iterator-iterator_tags.html"><span class="kw653">std::<span class="me2">output_iterator_tag</span></span></a>,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">void</span>, <span class="kw4">void</span>, <span class="kw4">void</span>, <span class="kw4">void</span><span class="sy1">&gt;</span></div>
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<td><span class="t-mark-rev t-until-cxx17">(C++17 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> CharT, <span class="kw1">class</span> Traits <span class="sy1">=</span> <a href="cpp-string-char_traits.html"><span class="kw1266">std::<span class="me2">char_traits</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span><br />
<span class="kw1">class</span> ostreambuf_iterator<span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></td>
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<p><code>std::ostreambuf_iterator</code> &#26159;&#21333;&#36255;<a href="cpp-named_req-OutputIterator.html"><span style="font-style:italic">&#32769;&#24335;&#36755;&#20986;&#36845;&#20195;&#22120;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LegacyOutputIterator)</span></a> &#65292;&#20889;&#20837;&#30456;&#32487;&#20803;&#32032;&#21040;&#20026;&#20043;&#21019;&#24314;&#36845;&#20195;&#22120;&#30340; <span class="t-lc"><a href="cpp-io-basic_streambuf.html">std::basic_streambuf</a></span> &#23545;&#35937;&#12290;&#23454;&#38469;&#20889;&#25805;&#20316;&#22312;&#36171;&#20540;&#32473;&#36845;&#20195;&#22120;&#65288;&#26080;&#35770;&#26159;&#21542;&#35299;&#24341;&#29992;&#65289;&#26102;&#36827;&#34892;&#12290;&#33258;&#22686; <code>std::ostreambuf_iterator</code> &#26159;&#26080;&#25805;&#20316;&#12290;</p>
<p>&#20856;&#22411;&#23454;&#29616;&#20013;&#65292; <code>std::ostreambuf_iterator</code> &#20165;&#26377;&#30340;&#25968;&#25454;&#25104;&#21592;&#26159;&#25351;&#21521;&#20851;&#32852; <code>std::basic_streambuf</code> &#30340;&#25351;&#38024;&#65292;&#21644;&#25351;&#31034;&#26159;&#21542;&#25269;&#36798;&#25991;&#20214;&#23614;&#26465;&#20214;&#30340;&#24067;&#23572;&#26631;&#24535;&#12290;</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">&#25104;&#21592;&#31867;&#22411;</span></h3>
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<td>&#25104;&#21592;&#31867;&#22411;</td>
<td>&#23450;&#20041;</td>
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<td><code>iterator_category</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-iterator-iterator_tags.html"><span class="kw653">std::<span class="me2">output_iterator_tag</span></span></a></span></span></td>
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<td><code>value_type</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span></span></span></td>
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<td><code>difference_type</code></td>
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<p><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span></span></span></p>
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<td><span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
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<p><span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-ptrdiff_t.html"><span class="kw101">std::<span class="me2">ptrdiff_t</span></span></a></span></span></p>
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<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
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<td><code>pointer</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span></span></span></td>
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<td><code>reference</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span></span></span></td>
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<td><code>char_type</code></td>
<td><code>CharT</code></td>
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<td><code>traits_type</code></td>
<td><code>Traits</code></td>
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<td><code>streambuf_type</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-io-basic_streambuf.html"><span class="kw1665">std::<span class="me2">basic_streambuf</span></span></a><span class="sy1">&lt;</span>CharT, Traits<span class="sy1">&gt;</span></span></span></td>
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<td><code>ostream_type</code></td>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-io-basic_ostream.html"><span class="kw1714">std::<span class="me2">basic_ostream</span></span></a><span class="sy1">&lt;</span>CharT, Traits<span class="sy1">&gt;</span></span></span></td>
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<p>&#35201;&#27714;&#36890;&#36807;&#20174; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-iterator-iterator.html"><span class="kw657">std::<span class="me2">iterator</span></span></a><span class="sy1">&lt;</span><a href="cpp-iterator-iterator_tags.html"><span class="kw653">std::<span class="me2">output_iterator_tag</span></span></a>, <span class="kw4">void</span>, <span class="kw4">void</span>, <span class="kw4">void</span>, <span class="kw4">void</span><span class="sy1">&gt;</span></span></span> &#32487;&#25215;&#33719;&#24471;&#25104;&#21592;&#31867;&#22411; <code>iterator_category</code>&#12289; <code>value_type</code>&#12289; <code>difference_type</code>&#12289; <code>pointer</code> &#21450; <code>reference</code> &#12290;</p>
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<td><span class="t-mark-rev t-until-cxx17">(C++17 &#21069;)</span></td>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">&#25104;&#21592;&#20989;&#25968;</span></h3>
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<div><a href="cpp-iterator-ostreambuf_iterator-ostreambuf_iterator.html"><span class="t-lines"><span>(&#26500;&#36896;&#20989;&#25968;)</span></span></a></div>
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<td>&#26500;&#36896;&#26032;&#30340; <code>ostreambuf_iterator</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div class="t-dsc-member-div t-dsc-member-nobold-div">
<div><span class="t-lines"><span>(&#26512;&#26500;&#20989;&#25968;)</span></span></div>
<div><span class="t-lines"><span><span class="t-mark">(&#38544;&#24335;&#22768;&#26126;)</span></span></span></div>
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<td>&#38144;&#27585; <code>ostreambuf_iterator</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-iterator-ostreambuf_iterator-operator=.html"><span class="t-lines"><span>operator=</span></span></a></div>
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<td>&#20889;&#23383;&#31526;&#21040;&#20851;&#32852;&#30340;&#36755;&#20986;&#24207;&#21015;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-iterator-ostreambuf_iterator-operator*.html"><span class="t-lines"><span>operator*</span></span></a></div>
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<td>&#26080;&#25805;&#20316;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-iterator-ostreambuf_iterator-operator_arith.html"><span class="t-lines"><span>operator++</span><span>operator++<span class="t-dsc-small">(int)</span></span></span></a></div>
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<td>&#26080;&#25805;&#20316;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-iterator-ostreambuf_iterator-failed.html"><span class="t-lines"><span>failed</span></span></a></div>
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<td>&#27979;&#35797;&#26159;&#21542;&#36755;&#20986;&#22833;&#36133;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
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<pre class="de1"><span class="co2">#include &lt;string&gt;</span>
<span class="co2">#include &lt;algorithm&gt;</span>
<span class="co2">#include &lt;iterator&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-string-basic_string.html"><span class="kw1229">std::<span class="me2">string</span></span></a> s <span class="sy1">=</span> <span class="st0">&quot;This is an example<span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<a href="cpp-algorithm-copy.html"><span class="kw1581">std::<span class="me2">copy</span></span></a><span class="br0">(</span>s.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, s.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, std<span class="sy4">::</span><span class="me2">ostreambuf_iterator</span><span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span><span class="br0">(</span><a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">This is an example</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-iterator-istreambuf_iterator.html"><span class="t-lines"><span>istreambuf_iterator</span></span></a></div>
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<td>&#20174; <span class="t-lc"><a href="cpp-io-basic_streambuf.html">std::basic_streambuf</a></span> &#35835;&#21462;&#30340;&#36755;&#20837;&#36845;&#20195;&#22120;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
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<div><a href="cpp-iterator-ostream_iterator.html"><span class="t-lines"><span>ostream_iterator</span></span></a></div>
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<td>&#20889;&#20837; <span class="t-lc"><a href="cpp-io-basic_ostream.html">std::basic_ostream</a></span> &#30340;&#36755;&#20986;&#36845;&#20195;&#22120;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
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