klarkxy/hustoj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
ab2a3ca65fe48738b0c71d258cd43268385ce35b
hustoj/web/cppreference-zh/chmhelp/cpp-utility-bitset-to_string.html
klarkxy 196e706fe4 上传cppreference
2025-08-01 12:57:54 +08:00

122 lines
8.4 KiB
HTML
Raw Blame History

<!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>std::bitset&lt;N&gt;::to_string</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-cpp_utility_bitset_to_string skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::bitset&lt;N&gt;::</span>to_string</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-utility.html">utility</a>&lrm; | <a href="cpp-utility-bitset.html">bitset</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
<tbody></tbody>
<tbody class="t-dcl-rev">
<tr class="t-dcl t-until-cxx11">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><br /></span>
<p>&nbsp; &nbsp; <span class="kw1">class</span> CharT,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Traits,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Alloc<br /></p>
<span class="sy1">&gt;</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,Traits,Allocator<span class="sy1">&gt;</span> to_string<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx11">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><br /></span>
<p>&nbsp; &nbsp; <span class="kw1">class</span> CharT <span class="sy1">=</span> <span class="kw4">char</span>,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Traits <span class="sy1">=</span> <a href="cpp-string-char_traits.html"><span class="kw1267">std::<span class="me2">char_traits</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span>,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Allocator <span class="sy1">=</span> <a href="cpp-memory-allocator.html"><span class="kw700">std::<span class="me2">allocator</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span><br />
<span class="sy1">&gt;</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,Traits,Allocator<span class="sy1">&gt;</span><br /></p>
&nbsp; &nbsp; to_string<span class="br0">(</span>CharT zero <span class="sy1">=</span> CharT<span class="br0">(</span><span class="st0">&#39;0&#39;</span><span class="br0">)</span>, CharT one <span class="sy1">=</span> CharT<span class="br0">(</span><span class="st0">&#39;1&#39;</span><span class="br0">)</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
</tr>
</tbody>
<tbody>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p>&#36716;&#25442; bitset &#30340;&#20869;&#23481;&#20026; string &#12290;&#29992; <code>zero</code> &#34920;&#31034;&#25317;&#26377;&#20540; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#30340;&#20301;&#65292;&#20197; <code>one</code> &#34920;&#31034;&#25317;&#26377;&#20540; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#30340;&#20301;&#12290;</p>
<p>&#20135;&#29983;&#30340;&#23383;&#31526;&#20018;&#21547; <code>N</code> &#20010;&#23383;&#31526;&#65292;&#20854;&#39318;&#23383;&#31526;&#23545;&#24212;&#26368;&#26411;&#65288;&#31532; <code>N-1</code> &#65289;&#20301;&#32780;&#20854;&#23614;&#23383;&#31526;&#23545;&#24212;&#39318;&#20301;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>zero</td>
<td>-</td>
<td>&#29992;&#20110;&#34920;&#31034; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#30340;&#23383;&#31526;</td>
</tr>
<tr class="t-par">
<td>one</td>
<td>-</td>
<td>&#29992;&#20110;&#34920;&#31034; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#30340;&#23383;&#31526;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#36716;&#25442;&#20986;&#30340;&#23383;&#31526;&#20018;</p>
<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">&#24322;&#24120;</span></h3>
<p>&#21487;&#33021;&#20174; <span class="t-lc"><a href="cpp-string-basic_string.html">std::string</a></span> &#26500;&#36896;&#20989;&#25968;&#25243;&#20986; <span class="t-lc"><a href="cpp-memory-new-bad_alloc.html">std::bad_alloc</a></span> &#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="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;bitset&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-utility-bitset.html"><span class="kw1027">std::<span class="me2">bitset</span></span></a><span class="sy1">&lt;</span><span class="nu0">8</span><span class="sy1">&gt;</span> b<span class="br0">(</span><span class="nu0">42</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> b.<span class="me1">to_string</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> b.<span class="me1">to_string</span><span class="br0">(</span><span class="st0">&#39;*&#39;</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> b.<span class="me1">to_string</span><span class="br0">(</span><span class="st0">&#39;O&#39;</span>, <span class="st0">&#39;X&#39;</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>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">00101010
**1*1*1*
OOXOXOXO</pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-bitset-to_ulong.html"><span class="t-lines"><span>to_ulong</span></span></a></div>
</div>
</td>
<td>&#36820;&#22238;&#25968;&#25454;&#30340; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">unsigned</span> <span class="kw4">long</span></span></span> &#25972;&#25968;&#34920;&#31034;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-bitset-to_ullong.html"><span class="t-lines"><span>to_ullong</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#36820;&#22238;&#25968;&#25454;&#30340; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span></span></span> &#25972;&#25968;&#34920;&#31034;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink