hustoj/web/cppreference-zh/chmhelp/c-language-break.html

<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>break &#35821;&#21477;</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_language_break skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading">break &#35821;&#21477;</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="c.html">c</a>&lrm; | <a href="c-language.html">language</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<p>&#23548;&#33268;&#22806;&#22260; <a href="c-language-for.html">for</a> &#12289; <a href="c-language-while.html">while</a> &#25110; <a href="c-language-do.html">do-while</a> &#24490;&#29615;&#25110; <a href="c-language-switch.html">switch &#35821;&#21477;</a>&#32456;&#27490;&#12290;</p>
<p>&#22312;&#29992;&#26465;&#20214;&#34920;&#36798;&#24335;&#21644;&#26465;&#20214;&#35821;&#21477;&#32456;&#27490;&#24490;&#29615;&#26174;&#24471;&#31528;&#25305;&#26102;&#20351;&#29992;&#12290;</p>
<h3><span class="mw-headline" id=".E8.AF.AD.E6.B3.95">&#35821;&#27861;</span></h3>
<table class="t-sdsc-begin">
<tr>
<td colspan="10" class="t-sdsc-sep"></td>
</tr>
<tr class="t-sdsc">
<td class="t-sdsc-nopad"><span class="t-spar">&#23646;&#24615;&#35828;&#26126;&#31526;&#24207;&#21015;</span><span class="t-mark">(&#21487;&#36873;)</span> <code><b>break</b></code> <code><b>;</b></code></td>
<td class="t-sdsc-nopad"></td>
<td class="t-sdsc-nopad"></td>
</tr>
<tr>
<td colspan="10" class="t-sdsc-sep"></td>
</tr>
</table>
<table class="t-par-begin">
<tr class="t-par">
<td><span class="t-spar">&#23646;&#24615;&#35828;&#26126;&#31526;&#24207;&#21015;</span></td>
<td>-</td>
<td><span class="t-mark-rev t-since-c23">(C23)</span>&#21487;&#36873;&#30340;<a href="c-language-attributes.html">&#23646;&#24615;</a>&#21015;&#34920;&#65292;&#24212;&#29992;&#21040; <code>break</code> &#35821;&#21477;</td>
</tr>
</table>
<p>&#21482;&#20986;&#29616;&#22312;&#24490;&#29615;&#20307;&#65288; <a href="c-language-while.html">while</a>&#12289; <a href="c-language-do.html">do-while</a>&#12289; <a href="c-language-for.html">for</a> &#65289;&#30340; <span class="t-spar">&#35821;&#21477;</span> &#20869;&#65292;&#25110; <a href="c-language-switch.html">switch</a> &#30340; <span class="t-spar">&#35821;&#21477;</span> &#20869;&#12290;</p>
<h3><span class="mw-headline" id=".E8.A7.A3.E9.87.8A">&#35299;&#37322;</span></h3>
<p>&#27492;&#35821;&#21477;&#21518;&#65292;&#25511;&#21046;&#34987;&#36716;&#31227;&#21040;&#32039;&#38543;&#25972;&#20010;&#24490;&#29615;&#25110; switch &#20043;&#21518;&#30340;&#22768;&#26126;&#25110;&#35821;&#21477;&#65292;&#22914;&#21516;&#30001; <a href="c-language-goto.html">goto</a> &#36827;&#34892;&#12290;</p>
<h3><span class="mw-headline" id=".E5.85.B3.E9.94.AE.E8.AF.8D">&#20851;&#38190;&#35789;</span></h3>
<p><a href="c-keyword-break.html"><tt>break</tt></a></p>
<h3><span class="mw-headline" id=".E6.B3.A8.E8.A7.A3">&#27880;&#35299;</span></h3>
<p><code>break</code> &#35821;&#21477;&#19981;&#33021;&#29992;&#20110;&#25171;&#30772;&#22810;&#37325;&#23884;&#22871;&#24490;&#29615;&#12290; <a href="c-language-goto.html">goto &#35821;&#21477;</a>&#21487;&#29992;&#20110;&#27492;&#30446;&#30340;&#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="c source-c">
<pre class="de1"><span class="co2">#include &lt;stdio.h&gt;</span>

<span class="kw4">int</span> main<span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>
<span class="br0">{</span>
    <span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">2</span><span class="sy4">;</span>
    <span class="kw1">switch</span> <span class="br0">(</span>i<span class="br0">)</span> <span class="br0">{</span>
        <span class="kw1">case</span> <span class="nu0">1</span><span class="sy4">:</span> <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;1&quot;</span><span class="br0">)</span><span class="sy4">;</span>
        <span class="kw1">case</span> <span class="nu0">2</span><span class="sy4">:</span> <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;2&quot;</span><span class="br0">)</span><span class="sy4">;</span>   <span class="co1">// i==2 &#65292;&#25925;&#25191;&#34892;&#22987;&#20110;&#27492; case &#26631;&#21495;</span>
        <span class="kw1">case</span> <span class="nu0">3</span><span class="sy4">:</span> <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;3&quot;</span><span class="br0">)</span><span class="sy4">;</span>
        <span class="kw1">case</span> <span class="nu0">4</span><span class="sy4">:</span>
        <span class="kw1">case</span> <span class="nu0">5</span><span class="sy4">:</span> <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;45&quot;</span><span class="br0">)</span><span class="sy4">;</span>
                <span class="kw1">break</span><span class="sy4">;</span>         <span class="co1">// &#23548;&#33268;&#21518;&#32493;&#30340; case &#32456;&#27490;</span>
        <span class="kw1">case</span> <span class="nu0">6</span><span class="sy4">:</span> <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;6&quot;</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="br0">}</span>
    <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;<span class="es1">\n</span>&quot;</span><span class="br0">)</span><span class="sy4">;</span>

    <span class="co1">// &#27604;&#36739;&#26469;&#33258;&#36825;&#20108;&#20010;&#24490;&#29615;&#23884;&#22871;&#30340;&#36755;&#20986;</span>
    <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> j <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> j <span class="sy1">&lt;</span> <span class="nu0">2</span><span class="sy4">;</span> j<span class="sy2">++</span><span class="br0">)</span>
        <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> k <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> k <span class="sy1">&lt;</span> <span class="nu0">5</span><span class="sy4">;</span> k<span class="sy2">++</span><span class="br0">)</span>
            <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;%d%d &quot;</span>, j,k<span class="br0">)</span><span class="sy4">;</span>
    <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;<span class="es1">\n</span>&quot;</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> j <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> j <span class="sy1">&lt;</span> <span class="nu0">2</span><span class="sy4">;</span> j<span class="sy2">++</span><span class="br0">)</span> <span class="br0">{</span>
        <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> k <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> k <span class="sy1">&lt;</span> <span class="nu0">5</span><span class="sy4">;</span> k<span class="sy2">++</span><span class="br0">)</span> <span class="br0">{</span> <span class="co1">// &#21482;&#26377;&#27492;&#24490;&#29615;&#20250;&#30001; break &#36864;&#20986;</span>
            <span class="kw1">if</span> <span class="br0">(</span>k <span class="sy1">==</span> <span class="nu0">2</span><span class="br0">)</span> <span class="kw1">break</span><span class="sy4">;</span>
            <a href="c-io-fprintf.html"><span class="kw851">printf</span></a><span class="br0">(</span><span class="st0">&quot;%d%d &quot;</span>, j,k<span class="br0">)</span><span class="sy4">;</span>
        <span class="br0">}</span>
    <span class="br0">}</span>
<span class="br0">}</span></pre></div>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">2345
00 01 02 03 04 10 11 12 13 14
00 01 10 11</pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E5.BC.95.E7.94.A8">&#24341;&#29992;</span></h3>
<div class="t-ref-std-17">
<ul>
<li>C17 &#26631;&#20934;&#65288;ISO/IEC 9899:2018&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>6.8.6.3 The break statement (p: 111)</li>
</ul>
</dd>
</dl>
</div>
<div class="t-ref-std-11">
<ul>
<li>C11 &#26631;&#20934;&#65288;ISO/IEC 9899:2011&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>6.8.6.3 The break statement (p: 153)</li>
</ul>
</dd>
</dl>
</div>
<div class="t-ref-std-c99">
<ul>
<li>C99 &#26631;&#20934;&#65288;ISO/IEC 9899:1999&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>6.8.6.3 The break statement (p: 138)</li>
</ul>
</dd>
</dl>
</div>
<div class="t-ref-std-c89">
<ul>
<li>C89/C90 &#26631;&#20934;&#65288;ISO/IEC 9899:1990&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>3.6.6.3 The break statement</li>
</ul>
</dd>
</dl>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin"></table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>