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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>wcscpy</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-string.html">string</a>&lrm; | <a href="cpp-string-wide.html">wide</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-cwchar.html">&lt;cwchar&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">wchar_t</span> <span class="sy2">*</span>wcscpy<span class="br0">(</span> <span class="kw4">wchar_t</span> <span class="sy2">*</span>dest, <span class="kw4">const</span> <span class="kw4">wchar_t</span> <span class="sy2">*</span>src <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#22797;&#21046; <code>src</code> &#25152;&#25351;&#21521;&#30340;&#23485;&#23383;&#31526;&#20018;&#65288;&#21253;&#21547;&#31354;&#32456;&#27490;&#23485;&#23383;&#31526;&#65289;&#21040; <code>dest</code> &#25152;&#25351;&#21521;&#30340;&#23485;&#23383;&#31526;&#25968;&#32452;&#12290;</p>
<p>&#33509;&#23383;&#31526;&#20018;&#37325;&#21472;&#65292;&#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>dest</td>
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<td>&#25351;&#21521;&#22797;&#21046;&#26469;&#28304;&#30340;&#23485;&#23383;&#31526;&#25968;&#32452;&#30340;&#25351;&#38024;</td>
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<td>src</td>
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<td>&#25351;&#21521;&#22797;&#21046;&#26469;&#28304;&#30340;&#31354;&#32456;&#27490;&#23485;&#23383;&#31526;&#20018;&#30340;&#25351;&#38024;</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><code>dest</code></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;cwchar&gt;</span>
<span class="co2">#include &lt;memory&gt;</span>
<span class="co2">#include &lt;clocale&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span> src <span class="sy1">=</span> L<span class="st0">&quot;&#29356; means dog&quot;</span><span class="sy4">;</span>
<span class="co1">// src[0] = L&#39;&#29399;&#39;; // &#19981;&#33021;&#20462;&#25913;&#23383;&#31526;&#20018;&#23383;&#38754;&#37327;</span>
<span class="kw4">auto</span> dst <span class="sy1">=</span> <a href="cpp-memory-unique_ptr-make_unique.html"><span class="kw735">std::<span class="me2">make_unique</span></span></a><span class="sy1">&lt;</span><span class="kw4">wchar_t</span><span class="br0">[</span><span class="br0">]</span><span class="sy1">&gt;</span><span class="br0">(</span><a href="cpp-string-wide-wcslen.html"><span class="kw1211">std::<span class="me2">wcslen</span></span></a><span class="br0">(</span>src<span class="br0">)</span><span class="sy2">+</span><span class="nu0">1</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#20026;&#31354;&#23485;&#23383;&#31526; +1</span>
std<span class="sy4">::</span><span class="me2">wcscpy</span><span class="br0">(</span>dst.<span class="me1">get</span><span class="br0">(</span><span class="br0">)</span>, src<span class="br0">)</span><span class="sy4">;</span>
dst<span class="br0">[</span><span class="nu0">0</span><span class="br0">]</span> <span class="sy1">=</span> L<span class="st0">&#39;&#29399;&#39;</span><span class="sy4">;</span>
<a href="cpp-locale-setlocale.html"><span class="kw1989">std::<span class="me2">setlocale</span></span></a><span class="br0">(</span><a href="cpp-locale-LC_categories.html"><span class="kw1992">LC_ALL</span></a>, <span class="st0">&quot;en_US.utf8&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">wcout</span></span></a>.<span class="me1">imbue</span><span class="br0">(</span><a href="cpp-locale-locale.html"><span class="kw1893">std::<span class="me2">locale</span></span></a><span class="br0">(</span><span class="st0">&quot;&quot;</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">wcout</span></span></a> <span class="sy1">&lt;&lt;</span> src <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span> <span class="sy1">&lt;&lt;</span> dst.<span class="me1">get</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>&#36755;&#20986;&#65306;</p>
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<pre class="de1">&#29356; means dog
&#29399; means dog</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-string-wide-wcsncpy.html"><span class="t-lines"><span>wcsncpy</span></span></a></div>
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<td>&#22797;&#21046;&#26469;&#33258;&#19968;&#20010;&#23485;&#23383;&#31526;&#20018;&#30340;&#19968;&#23450;&#37327;&#23485;&#23383;&#31526;&#21040;&#21478;&#19968;&#20010;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-string-wide-wmemcpy.html"><span class="t-lines"><span>wmemcpy</span></span></a></div>
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<td>&#22312;&#20004;&#20010;&#19981;&#37325;&#21472;&#25968;&#32452;&#38388;&#22797;&#21046;&#19968;&#23450;&#37327;&#23485;&#23383;&#31526;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-string-byte-strcpy.html"><span class="t-lines"><span>strcpy</span></span></a></div>
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<td>&#22797;&#21046;&#19968;&#20010;&#23383;&#31526;&#20018;&#32473;&#21478;&#19968;&#20010;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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