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<title>std::basic_ios&lt;CharT,Traits&gt;::good</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::basic_ios&lt;CharT,Traits&gt;::</span>good</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-io.html">io</a>&lrm; | <a href="cpp-io-basic_ios.html">basic ios</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span> good<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<p>&#33509;&#27969;&#19978;&#30340;&#26368;&#36817; I/O &#25805;&#20316;&#25104;&#21151;&#23436;&#25104;&#21017;&#36820;&#22238; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#12290;&#29305;&#21035;&#26159;&#36820;&#22238; <span class="t-c"><span class="mw-geshi cpp source-cpp">rdstate<span class="br0">(</span><span class="br0">)</span> <span class="sy1">==</span> <span class="nu0">0</span></span></span> &#30340;&#32467;&#26524;&#12290;</p>
<p>&#35774;&#32622;&#27969;&#29366;&#24577;&#20301;&#30340;&#26465;&#20214;&#21015;&#34920;&#65292;&#35265; <a href="cpp-io-ios_base-iostate.html"><tt>ios_base::iostate</tt></a> &#12290;</p>
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<p>&#65288;&#26080;&#65289;</p>
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<p>&#33509;&#27969;&#26410;&#20986;&#29616;&#38169;&#35823;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#12290;</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<p>&#19979;&#34920;&#26174;&#31034; <code>basic_ios</code> &#35775;&#38382;&#22120;&#65288; <strong class="selflink"><tt>good()</tt></strong>&#12289; <a href="cpp-io-basic_ios-fail.html"><tt>fail()</tt></a> &#31561;&#65289;&#23545;&#20110; <a href="cpp-io-ios_base-iostate.html"><tt>ios_base::iostate</tt></a> &#26631;&#24535;&#30340;&#25152;&#26377;&#21487;&#33021;&#32452;&#21512;&#30340;&#20540;&#65306;</p>
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<td colspan="3"><a href="cpp-io-ios_base-iostate.html"><tt>ios_base::iostate</tt></a> &#26631;&#24535;</td>
<td colspan="6"><code>basic_ios</code> &#35775;&#38382;&#22120;</td>
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<td>eofbit</td>
<td>failbit</td>
<td>badbit</td>
<td><strong class="selflink"><tt>good()</tt></strong></td>
<td><a href="cpp-io-basic_ios-fail.html"><tt>fail()</tt></a></td>
<td><a href="cpp-io-basic_ios-bad.html"><tt>bad()</tt></a></td>
<td><a href="cpp-io-basic_ios-eof.html"><tt>eof()</tt></a></td>
<td><a href="cpp-io-basic_ios-operator_bool.html"><tt>operator bool</tt></a></td>
<td><a href="cpp-io-basic_ios-operator!.html"><tt>operator!</tt></a></td>
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