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<title>std::basic_fstream&lt;CharT,Traits&gt;::close</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::basic_fstream&lt;CharT,Traits&gt;::</span>close</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-io.html">io</a>&lrm; | <a href="cpp-io-basic_fstream.html">basic fstream</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span> close<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#20851;&#38381;&#20851;&#32852;&#25991;&#20214;&#12290;</p>
<p>&#31561;&#25928;&#22320;&#35843;&#29992; <a href="cpp-io-basic_filebuf-close.html"><tt>rdbuf()-&gt;close()</tt></a> &#12290;&#33509;&#25805;&#20316;&#26399;&#38388;&#20986;&#29616;&#38169;&#35823;&#65292;&#21017;&#35843;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">setstate<span class="br0">(</span>failbit<span class="br0">)</span></span></span> &#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#27492;&#20989;&#25968;&#20026; basic_fstream &#30340;&#26512;&#26500;&#20989;&#25968;&#22312;&#27969;&#23545;&#35937;&#31163;&#24320;&#20316;&#29992;&#22495;&#26102;&#35843;&#29992;&#65292;&#36890;&#24120;&#19981;&#30452;&#25509;&#35843;&#29992;&#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;string&gt;</span>
<span class="co2">#include &lt;fstream&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-io-basic_fstream.html"><span class="kw1734">std::<span class="me2">fstream</span></span></a> f1<span class="br0">(</span><span class="st0">&quot;example1&quot;</span>, std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">out</span><span class="br0">)</span>,
f2<span class="br0">(</span><span class="st0">&quot;example2&quot;</span>, std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">out</span><span class="br0">)</span>,
f3<span class="br0">(</span><span class="st0">&quot;example3&quot;</span>, std<span class="sy4">::</span><span class="me2">ios</span><span class="sy4">::</span><span class="me2">out</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="cpp-io-manip-boolalpha.html"><span class="kw1764">std::<span class="me2">boolalpha</span></span></a>
<span class="sy1">&lt;&lt;</span> f1.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span>
<span class="sy1">&lt;&lt;</span> f2.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span>
<span class="sy1">&lt;&lt;</span> f3.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
f1.<span class="me1">close</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
f2.<span class="me1">close</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> f1.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span>
<span class="sy1">&lt;&lt;</span> f2.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span>
<span class="sy1">&lt;&lt;</span> f3.<span class="me1">is_open</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">true
true
true
false
false
true</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-io-basic_fstream-is_open.html"><span class="t-lines"><span>is_open</span></span></a></div>
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<td>&#26816;&#26597;&#27969;&#26159;&#21542;&#26377;&#20851;&#32852;&#25991;&#20214;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-io-basic_fstream-open.html"><span class="t-lines"><span>open</span></span></a></div>
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<td>&#25171;&#24320;&#25991;&#20214;&#65292;&#24182;&#23558;&#23427;&#19982;&#27969;&#20851;&#32852;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-io-basic_filebuf-close.html"><span class="t-lines"><span>close</span></span></a></div>
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<td>&#20914;&#20837;&#25918;&#32622;&#21306;&#32531;&#20914;&#21306;&#24182;&#20851;&#38381;&#20851;&#32852;&#30340;&#25991;&#20214;<br />
<span class="t-mark">(<code>std::basic_filebuf&lt;CharT,Traits&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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