127 lines
6.4 KiB
HTML
127 lines
6.4 KiB
HTML
<!DOCTYPE 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::fputws</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_io_c_fputws skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>fputws</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-c.html">c</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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<table class="t-dcl-begin">
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<td>
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<div>定义于头文件 <code><a href="cpp-header-cwchar.html"><cwchar></a></code></div>
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<td></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">int</span> fputws<span class="br0">(</span> <span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span> str, <a href="cpp-io-c.html"><span class="kw1876">std::<span class="me2">FILE</span></span></a><span class="sy2">*</span> stream <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td class="t-dcl-nopad"></td>
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<p>写入来自空终止宽字符串 <code>str</code> 的每个宽字符到输出流 <code>stream</code> ，如同通过重复执行 <span class="t-lc"><a href="cpp-io-c-fputwc.html">std::fputwc</a></span> 。</p>
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<p>不写入来自 <code>str</code> 的终止宽字符。</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>str</td>
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<td>-</td>
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<td>要写入的空终止宽字符串</td>
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</tr>
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<tr class="t-par">
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<td>stream</td>
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<td>-</td>
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<td>输出流</td>
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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>成功时返回非负值。</p>
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<p>失败时，返回 <span class="t-lc"><a href="cpp-io-c.html">EOF</a></span> 并设置 <code>stream</code> 上的<i>错误</i>指示器（见 <span class="t-lc"><a href="cpp-io-c-ferror.html">std::ferror</a></span> ）。</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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<div class="t-example">
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<div class="t-example-live-link"></div>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="cpp source-cpp">
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<pre class="de1"><span class="co2">#include <clocale></span>
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<span class="co2">#include <cstdio></span>
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<span class="co2">#include <cwchar></span>
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<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
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<span class="br0">{</span>
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<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">"en_US.utf8"</span><span class="br0">)</span><span class="sy4">;</span>
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<span class="kw4">int</span> rc <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">fputws</span><span class="br0">(</span>L<span class="st0">"御休みなさい"</span>, <span class="kw2">stdout</span><span class="br0">)</span><span class="sy4">;</span>
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<span class="kw1">if</span> <span class="br0">(</span>rc <span class="sy1">==</span> <a href="cpp-io-c.html"><span class="kw1881">EOF</span></a><span class="br0">)</span>
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<a href="cpp-io-c-perror.html"><span class="kw1872">std::<span class="me2">perror</span></span></a><span class="br0">(</span><span class="st0">"fputws()"</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// POSIX 要求设置 errno</span>
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<span class="br0">}</span></pre></div>
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</div>
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<p>输出：</p>
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<div dir="ltr" class="mw-geshi" style="text-align: left;">
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<div class="text source-text">
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<pre class="de1">御休みなさい</pre></div>
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</div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-io-c-fputs.html"><span class="t-lines"><span>fputs</span></span></a></div>
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</div>
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</td>
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<td>写字符串到文件流<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-io-c-fwprintf.html"><span class="t-lines"><span>wprintf</span><span>fwprintf</span><span>swprintf</span></span></a></div>
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</div>
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</td>
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<td>打印有格式宽字符输出到 <span class="t-lc"><a href="cpp-io-c.html">stdout</a></span>、文件流或缓冲区<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><strong class="selflink"><span class="t-lines"><span>fputws</span></span></strong></div>
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</div>
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</td>
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<td>写宽字符串到文件流<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-io-c-fgetws.html"><span class="t-lines"><span>fgetws</span></span></a></div>
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</div>
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</td>
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<td>从文件流获取宽字符串<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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</table>
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</div>
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<div class="visualClear"></div>
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