377 lines
18 KiB
HTML
377 lines
18 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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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>std::time_get_byname</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_locale_time_get_byname 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>time_get_byname</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-locale.html">locale</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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<tbody>
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<tr class="t-dsc-header">
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<td>
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<div>定义于头文件 <code><a href="cpp-header-locale.html"><locale></a></code></div>
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</td>
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<td></td>
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<td></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span><br /></span>
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<p> <span class="kw1">class</span> CharT,<br />
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<span class="kw1">class</span> InputIterator <span class="sy1">=</span> <a href="cpp-iterator-istreambuf_iterator.html"><span class="kw669">std::<span class="me2">istreambuf_iterator</span></span></a><span class="sy1"><</span>CharT<span class="sy1">></span><br /></p>
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<span class="sy1">></span> <span class="kw1">class</span> time_get_byname <span class="sy4">:</span> <span class="kw1">public</span> <a href="cpp-locale-time_get.html"><span class="kw1949">std::<span class="me2">time_get</span></span></a><span class="sy1"><</span>CharT, InputIterator<span class="sy1">></span></div>
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<p><span class="t-lc"><strong class="selflink">std::time_get_byname</strong></span> 是 <span class="t-lc"><a href="cpp-locale-time_get.html">std::time_get</a></span> 平面，封装在其构造时指定的 locale 的日期和时间分析规则。</p>
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<p>标准库提供二个特化</p>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="cpp-header-locale.html"><locale></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">time_get_byname</span><span class="sy1"><</span><span class="kw4">char</span>, InputIterator<span class="sy1">></span></span></span></td>
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<td>窄/多字节时间分析</td>
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</tr>
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<tr class="t-dsc">
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<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">time_get_byname</span><span class="sy1"><</span><span class="kw4">wchar_t</span>, InputIterator<span class="sy1">></span></span></span></td>
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<td>宽字符串时间分析</td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">成员类型</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-hitem">
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<td>成员类型</td>
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<td>定义</td>
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<tr class="t-dsc">
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<td><code>char_type</code></td>
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<td><code>CharT</code></td>
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</tr>
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<tr class="t-dsc">
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<td><code>iter_type</code></td>
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<td><code>OutputIterator</code></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">成员函数</span></h3>
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<table class="t-dsc-begin">
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<div class="t-dsc-member-div t-dsc-member-nobold-div">
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<div><strong class="selflink"><span class="t-lines"><span>(构造函数)</span></span></strong></div>
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</div>
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</td>
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<td>构造新的 <code>time_get_byname</code> 平面<br />
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<span class="t-mark">(公开成员函数)</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 t-dsc-member-nobold-div">
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<div><strong class="selflink"><span class="t-lines"><span>(析构函数)</span></span></strong></div>
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</div>
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</td>
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<td>析构 <code>time_get_byname</code> 平面<br />
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<span class="t-mark">(受保护成员函数)</span></td>
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</tr>
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</table>
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<div class="t-template-editlink" style=""></div>
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<div class="t-member">
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<h2><span class="mw-headline" id="std::time_get_byname::time_get_byname"><span style="font-size:0.7em; line-height:130%">std::time_get_byname::</span>time_get_byname</span></h2>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">explicit</span> time_get_byname<span class="br0">(</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> name, <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> refs <span class="sy1">=</span> <span class="nu0">0</span> <span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td class="t-dcl-nopad"></td>
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<td class="t-dcl-nopad"></td>
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<tr class="t-dcl t-since-cxx11">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">explicit</span> time_get_byname<span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a><span class="sy3">&</span> name, <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> refs <span class="sy1">=</span> <span class="nu0">0</span> <span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td class="t-dcl-nopad"></td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<tr class="t-dcl-sep">
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<td></td>
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<td></td>
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<td></td>
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</table>
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<p>为名为 <code>name</code> 的本地环境构造新的 <code>std::time_get_byname</code> 平面。</p>
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<p><code>refs</code> 用于资源管理：在销毁最后一个保有平面的 <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-locale-locale.html"><span class="kw1894">std::<span class="me2">locale</span></span></a></span></span> 对象时，若 <span class="t-c"><span class="mw-geshi cpp source-cpp">refs <span class="sy1">==</span> <span class="nu0">0</span></span></span> ，则实现销毁平面对象。否则，不销毁对象。</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>name</td>
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<td>-</td>
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<td>本地环境的名称</td>
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</tr>
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<tr class="t-par">
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<td>refs</td>
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<td>-</td>
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<td>链接到该平面的引用数</td>
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</tr>
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</table>
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</div>
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<div class="t-template-editlink" style=""></div>
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<div class="t-member">
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<h2><span class="mw-headline" id="std::time_get_byname::.7Etime_get_byname"><span style="font-size:0.7em; line-height:130%">std::time_get_byname::</span>~time_get_byname</span></h2>
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<table class="t-dcl-begin">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">protected</span><span class="sy4">:</span><br />
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~time_get_byname<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td class="t-dcl-nopad"></td>
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<td class="t-dcl-nopad"></td>
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</tr>
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<tr class="t-dcl-sep">
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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<p>销毁平面。</p>
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</div>
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<div class="t-inherited">
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<h2><span class="mw-headline" id=".E7.BB.A7.E6.89.BF.E8.87.AA_std::time_get">继承自 <a href="cpp-locale-time_get.html"><span style="font-size:0.7em; line-height:130%">std::</span>time_get</a></span></h2>
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<table class="t-dsc-begin">
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<tr class="t-dsc-hitem">
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<td>成员类型</td>
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<td>定义</td>
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</tr>
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<tr class="t-dsc">
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<td><code>char_type</code></td>
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<td><code>CharT</code></td>
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</tr>
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<tr class="t-dsc">
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<td><code>iter_type</code></td>
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<td><code>InputIt</code></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.AF.B9.E8.B1.A1">成员对象</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-hitem">
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<td>成员名</td>
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<td>类型</td>
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</tr>
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<tr class="t-dsc">
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<td><code>id</code> <span class="t-cmark">[静态]</span></td>
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<td><span class="t-lc"><a href="cpp-locale-locale-id.html">std::locale::id</a></span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0_2">成员函数</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-locale-time_get-date_order.html"><span class="t-lines"><span>date_order</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_date_order</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get_time.html"><span class="t-lines"><span>get_time</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_get_time</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get_date.html"><span class="t-lines"><span>get_date</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_get_date</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get_weekday.html"><span class="t-lines"><span>get_weekday</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_get_weekday</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get_monthname.html"><span class="t-lines"><span>get_monthname</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_get_monthname</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get_year.html"><span class="t-lines"><span>get_year</span></span></a></div>
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</div>
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</td>
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<td>调用 <code>do_get_year</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</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-locale-time_get-get.html"><span class="t-lines"><span>get</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>调用 <code>do_get</code><br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的公开成员函数)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.8F.97.E4.BF.9D.E6.8A.A4.E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">受保护成员函数</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-locale-time_get-date_order.html"><span class="t-lines"><span>do_date_order</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>获得偏好的日、月、年顺序<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get_time.html"><span class="t-lines"><span>do_get_time</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>从输入流释出时、分、秒<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get_date.html"><span class="t-lines"><span>do_get_date</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>从输入流输出月、日以及年<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get_weekday.html"><span class="t-lines"><span>do_get_weekday</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>从输入流释出星期的日名<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get_monthname.html"><span class="t-lines"><span>do_get_monthname</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>从输入流释出月名<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get_year.html"><span class="t-lines"><span>do_get_year</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span></span></span></div>
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</div>
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</td>
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<td>从输入流释出年份<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</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-locale-time_get-get.html"><span class="t-lines"><span>do_get</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-cmark">[虚]</span> <span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>从输入流释出日期/时间组分，按照指定格式<br />
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<span class="t-mark">(<code>std::time_get<CharT,InputIt></code> 的虚受保护成员函数)</span></td>
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</tr>
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</table>
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</div>
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<div class="t-inherited">
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<h2><span class="mw-headline" id=".E7.BB.A7.E6.89.BF.E8.87.AA_std::time_base">继承自 <span style="font-size:0.7em; line-height:130%">std::</span>time_base</span></h2>
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<table class="t-dsc-begin">
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<tr class="t-dsc-hitem">
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<td>类型</td>
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<td>定义</td>
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</tr>
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<tr class="t-dsc">
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<td><code>dateorder</code></td>
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<td>日期顺序枚举类型，定义值 <code>no_order</code> 、 <code>dmy</code> 、 <code>mdy</code> 、 <code>ymd</code> 及 <code>ydm</code></td>
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</tr>
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</table>
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</div>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
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<tr>
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<td class="mbox-empty-cell"></td>
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<td class="mbox-text" style="">本节未完成<br />
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原因：暂无示例</td>
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</tr>
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</table>
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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-locale-time_get.html"><span class="t-lines"><span>time_get</span></span></a></div>
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</div>
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</td>
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<td>从输入字符序列中解析时间/日期值到 <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-chrono-c-tm.html"><span class="kw1023">std::<span class="me2">tm</span></span></a></span></span> 中<br />
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<span class="t-mark">(类模板)</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-manip-get_time.html"><span class="t-lines"><span>get_time</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>剖析指定格式的日期/时间值<br />
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<span class="t-mark">(函数模板)</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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</div>
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</div>
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</div>
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</body>
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</html>
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