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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>remove</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-c.html">c</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-cstdio.html">&lt;cstdio&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">int</span> remove<span class="br0">(</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> fname <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#21024;&#38500; <code>fname</code> &#25152;&#25351;&#21521;&#30340;&#23383;&#31526;&#20018;&#25152;&#26631;&#35782;&#30340;&#25991;&#20214;&#12290;</p>
<p>&#33509;&#25991;&#20214;&#20026;&#24403;&#21069;&#36827;&#31243;&#25110;&#21478;&#19968;&#36827;&#31243;&#25171;&#24320;&#65292;&#21017;&#27492;&#20989;&#25968;&#34892;&#20026;&#26159;&#23454;&#29616;&#23450;&#20041;&#30340;&#12290;&#20855;&#20307;&#32780;&#35328;&#65292; POSIX &#31995;&#32479;&#35299;&#38142;&#25509;&#25991;&#20214;&#21517;&#65292;&#21040;&#26368;&#21518;&#19968;&#20010;&#36816;&#34892;&#30340;&#36827;&#31243;&#20851;&#38381;&#35813;&#25991;&#20214;&#20026;&#27490;&#65292;&#21363;&#20351;&#36825;&#26159;&#26368;&#21518;&#19968;&#20010;&#21040;&#25991;&#20214;&#30340;&#30828;&#38142;&#25509;&#20063;&#19981;&#22238;&#25910;&#25991;&#20214;&#31995;&#32479;&#31354;&#38388;&#12290; Windows &#19981;&#20801;&#35768;&#21024;&#38500;&#35813;&#25991;&#20214;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>fname</td>
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<td>&#25351;&#21521;&#31354;&#32456;&#27490;&#23383;&#31526;&#20018;&#30340;&#25351;&#38024;&#65292;&#23383;&#31526;&#20018;&#21547;&#26631;&#35782;&#24453;&#21024;&#38500;&#25991;&#20214;&#30340;&#36335;&#24452;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#25104;&#21151;&#26102;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp">&#8203;<span class="nu0">0</span>&#8203;</span></span> &#65292;&#38169;&#35823;&#26102;&#20026;&#38750;&#38646;&#20540;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p><a rel="nofollow" class="external text" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/remove.html">POSIX &#25351;&#23450;</a>&#27492;&#20989;&#25968;&#34892;&#20026;&#30340;&#35768;&#22810;&#39069;&#22806;&#32454;&#33410;&#12290;</p>
<p>&#26631;&#20934;&#24211;&#20134;&#23450;&#20041;&#25509;&#25910;&#19968;&#23545;&#36845;&#20195;&#22120;&#21644;&#20540;&#30340;&#20989;&#25968;&#27169;&#26495; <a href="cpp-algorithm-remove.html"><tt>std::remove</tt></a> &#65292;&#27492;&#37325;&#36733;&#26159;&#26631;&#20934;<a href="cpp-algorithm.html">&#31639;&#27861;</a>&#20043;&#19968;&#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;iostream&gt;</span>
<span class="co2">#include &lt;fstream&gt;</span>
<span class="co2">#include &lt;cstdio&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">bool</span> ok <span class="sy1">=</span> <span class="kw1">static_cast</span><span class="sy1">&lt;</span><span class="kw4">bool</span><span class="sy1">&gt;</span><span class="br0">(</span><a href="cpp-io-basic_ofstream.html"><span class="kw1733">std::<span class="me2">ofstream</span></span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span>.<span class="me1">put</span><span class="br0">(</span><span class="st0">&#39;a&#39;</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#21019;&#24314;&#25991;&#20214;</span>
<span class="kw1">if</span><span class="br0">(</span><span class="sy3">!</span>ok<span class="br0">)</span> <span class="br0">{</span> <a href="cpp-io-c-perror.html"><span class="kw1873">std::<span class="me2">perror</span></span></a><span class="br0">(</span><span class="st0">&quot;Error creating file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="kw1">return</span> <span class="nu0">1</span><span class="sy4">;</span> <span class="br0">}</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-basic_ifstream.html"><span class="kw1732">std::<span class="me2">ifstream</span></span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span>.<span class="me1">rdbuf</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="co1">// &#25171;&#21360;&#26684;&#24335;</span>
std<span class="sy4">::</span><span class="me2">remove</span><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#21024;&#38500;&#25991;&#20214;</span>
<span class="kw4">bool</span> failed <span class="sy1">=</span> <span class="sy3">!</span><a href="cpp-io-basic_ifstream.html"><span class="kw1732">std::<span class="me2">ifstream</span></span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">if</span><span class="br0">(</span>failed<span class="br0">)</span> <span class="br0">{</span> <a href="cpp-io-c-perror.html"><span class="kw1873">std::<span class="me2">perror</span></span></a><span class="br0">(</span><span class="st0">&quot;Error opening deleted file&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="kw1">return</span> <span class="nu0">1</span><span class="sy4">;</span> <span class="br0">}</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">a
Error opening deleted file: No such file or directory</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-filesystem-remove.html"><span class="t-lines"><span>remove</span><span>remove_all</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
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<td>&#31227;&#38500;&#19968;&#20010;&#25991;&#20214;&#25110;&#31354;&#30446;&#24405;<br />
&#31227;&#38500;&#19968;&#20010;&#25991;&#20214;&#25110;&#36882;&#24402;&#22320;&#31227;&#38500;&#19968;&#20010;&#30446;&#24405;&#21450;&#20854;&#25152;&#26377;&#20869;&#23481;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-io-c-rename.html"><span class="t-lines"><span>rename</span></span></a></div>
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<td>&#37325;&#21629;&#21517;&#25991;&#20214;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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