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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::ostrstream::</span>freeze</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-ostrstream.html">ostrstream</a></span></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span> freeze<span class="br0">(</span><span class="kw4">bool</span> flag <span class="sy1">=</span> <span class="kw2">true</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#33509;&#27969;&#29992;&#21160;&#24577;&#20998;&#37197;&#30340;&#25968;&#32452;&#36755;&#20986;&#65292;&#21017;&#31105;&#29992;&#65288; <span class="t-c"><span class="mw-geshi cpp source-cpp">flag <span class="sy1">==</span> <span class="kw2">true</span></span></span> &#65289;&#25110;&#21551;&#29992;&#65288; <span class="t-c"><span class="mw-geshi cpp source-cpp">flag <span class="sy1">==</span> <span class="kw2">false</span></span></span> &#65289;&#32531;&#20914;&#21306;&#30340;&#33258;&#21160;&#20998;&#37197;/&#35299;&#20998;&#37197;&#12290;&#31561;&#25928;&#22320;&#35843;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">rdbuf<span class="br0">(</span><span class="br0">)</span><span class="sy2">-</span><span class="sy1">&gt;</span>freeze<span class="br0">(</span>flag<span class="br0">)</span></span></span> &#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#35843;&#29992; <span class="t-lc"><a href="cpp-io-ostrstream-str.html">str()</a></span> &#21518;&#65292;&#21160;&#24577;&#27969;&#33258;&#21160;&#21464;&#20026;&#20923;&#32467;&#12290;&#35201;&#27714;&#22312;&#36864;&#20986;&#21019;&#24314;&#27492; <span class="t-c"><span class="mw-geshi cpp source-cpp">ostrstream</span></span> &#23545;&#35937;&#20110;&#20854;&#20013;&#30340;&#20316;&#29992;&#22495;&#21069;&#35843;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">freeze<span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span> &#12290;&#21542;&#21017;&#26512;&#26500;&#20989;&#25968;&#23558;&#27844;&#38706;&#20869;&#23384;&#12290;&#36824;&#26377;&#65292;&#19968;&#26086;&#21040;&#34987;&#20923;&#32467;&#27969;&#30340;&#38468;&#21152;&#36755;&#20986;&#25269;&#36798;&#20998;&#37197;&#30340;&#32531;&#20914;&#21306;&#32467;&#23614;&#65292;&#21017;&#23427;&#21487;&#33021;&#34987;&#25130;&#26029;&#65292;&#36825;&#21487;&#33021;&#20196;&#32531;&#20914;&#21306;&#20026;&#38750;&#31354;&#32456;&#27490;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>flag</td>
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<td>&#25152;&#27442;&#29366;&#24577;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;strstream&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-io-ostrstream.html"><span class="kw1754">std::<span class="me2">ostrstream</span></span></a> dyn<span class="sy4">;</span> <span class="co1">// &#21160;&#24577;&#20998;&#37197;&#30340;&#36755;&#20986;&#32531;&#20914;&#21306;</span>
dyn <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;Test: &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="nu16">1.23</span><span class="sy4">;</span> <span class="co1">// &#27880;&#24847;&#65306;&#26080; std::ends &#65292;&#20197;&#28436;&#31034;&#21518;&#38468;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The output stream contains <span class="es1">\&quot;</span>&quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a>.<span class="me1">write</span><span class="br0">(</span>dyn.<span class="me1">str</span><span class="br0">(</span><span class="br0">)</span>, dyn.<span class="me1">pcount</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<span class="co1">// &#27969;&#29616;&#22312;&#22240; str() &#20923;&#32467;</span>
dyn <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; More text&quot;</span><span class="sy4">;</span> <span class="co1">// &#21040;&#20923;&#32467;&#27969;&#30340;&#36755;&#20986;&#21487;&#33021;&#34987;&#25130;&#26029;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The output stream contains <span class="es1">\&quot;</span>&quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a>.<span class="me1">write</span><span class="br0">(</span>dyn.<span class="me1">str</span><span class="br0">(</span><span class="br0">)</span>, dyn.<span class="me1">pcount</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
dyn.<span class="me1">freeze</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#24517;&#39035;&#35843;&#29992; freeze(false) &#65292;&#21542;&#21017;&#26512;&#26500;&#20989;&#25968;&#23558;&#27844;&#38706;</span>
<a href="cpp-io-ostrstream.html"><span class="kw1754">std::<span class="me2">ostrstream</span></span></a> dyn2<span class="sy4">;</span> <span class="co1">// &#21160;&#24577;&#20998;&#37197;&#30340;&#36755;&#20986;&#32531;&#20914;&#21306;</span>
dyn2 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;Test: &quot;</span> <span class="sy1">&lt;&lt;</span> <span class="nu16">1.23</span><span class="sy4">;</span> <span class="co1">// &#27880;&#24847;&#65306;&#26080; std::ends</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The output stream contains <span class="es1">\&quot;</span>&quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a>.<span class="me1">write</span><span class="br0">(</span>dyn2.<span class="me1">str</span><span class="br0">(</span><span class="br0">)</span>, dyn2.<span class="me1">pcount</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
dyn2.<span class="me1">freeze</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// str() &#21518;&#35299;&#20923;&#27969;</span>
dyn2 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; More text&quot;</span> <span class="sy1">&lt;&lt;</span> <a href="cpp-io-manip-ends.html"><span class="kw1789">std::<span class="me2">ends</span></span></a><span class="sy4">;</span> <span class="co1">// &#36755;&#20986;&#23558;&#19981;&#34987;&#25130;&#26029;&#65288;&#32531;&#20914;&#21306;&#25104;&#38271;&#65289;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The output stream contains <span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> dyn2.<span class="me1">str</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
dyn2.<span class="me1">freeze</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#24517;&#39035;&#35843;&#29992; freeze(false) &#65292;&#21542;&#21017;&#26512;&#26500;&#20989;&#25968;&#23558;&#27844;&#38706;</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">The output stream contains &quot;Test: 1.23&quot;
The output stream contains &quot;Test: 1.23 More &quot;
The output stream contains &quot;Test: 1.23&quot;
The output stream contains &quot;Test: 1.23 More text&quot;</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-io-strstreambuf-freeze.html"><span class="t-lines"><span>freeze</span></span></a></div>
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<td>&#35774;&#32622;/&#28165;&#38500;&#32531;&#20914;&#21306;&#30340;&#20923;&#32467;&#29366;&#24577;<br />
<span class="t-mark">(<code>std::strstreambuf</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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