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<title>mod_expires - Apache HTTP ใตใผใ ใใผใธใงใณ 2.2</title>
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<p class="apache">Apache HTTP ใตใผใ ใใผใธใงใณ 2.2</p>
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<div id="preamble"><h1>Apache ใขใธใฅใผใซ mod_expires</h1>
<div class="toplang">
<p><span>็ฟป่จณๆธใฟ่จ่ช: </span><a href="../en/mod/mod_expires.html" hreflang="en" rel="alternate" title="English"> en </a> |
<a href="../ja/mod/mod_expires.html" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_expires.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
</div>
<div class="outofdate">ใใฎๆฅๆฌ่ช่จณใฏใใงใซๅคใใชใฃใฆใใ
ๅฏ่ฝๆงใใใใพใใ
ๆ่ฟๆดๆฐใใใๅ
ๅฎนใ่ฆใใซใฏ่ฑ่ช็ใใ่ฆงไธใใใ
</div>
<table class="module"><tr><th><a href="module-dict.html#Description">่ชฌๆ:</a></th><td>ใฆใผใถใฎๆๅฎใใๅบๆบใซๅบใฅใใ <code>Expires</code> ใจ
<code>Cache-Control</code> HTTP ใใใใฎ็ๆ</td></tr>
<tr><th><a href="module-dict.html#Status">ในใใผใฟใน:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">ใขใธใฅใผใซ่ญๅฅๅญ:</a></th><td>expires_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">ใฝใผในใใกใคใซ:</a></th><td>mod_expires.c</td></tr></table>
<h3>ๆฆ่ฆ</h3>
<p>ใใฎใขใธใฅใผใซใฏใตใผใๅฟ็ญใฎ <code>Expires</code> HTTP ใใใ
ใจ <code>Cache-Control</code> ใใใใฎ <code>max-age</code> ใใฃใฌใฏใใฃใใฎ
่จญๅฎใๅถๅพกใใพใใๅ
ใฎใใกใคใซใไฝๆใใใๆๅปใพใใฏ
ใฏใฉใคใขใณใใฎใขใฏใปในๆๅปใฎใฉใกใใใซๅบใฅใใฆๆ้ๅใๆฅใ
่จญๅฎใใใใจใใงใใพใใ</p>
<p>ใใใใฎใใใใฏใฏใฉใคใขใณใใซๆๆธใฎ
ๆๅนๆงใจ็ถ็ถๆงใๆ็คบใใพใใๆๆธใใญใฃใใทใฅใใใๅ ดๅใซใฏใ
ๆๅฎๆๅปใซ้ใใใพใงใฏใๅ
ใฎๅ ดๆใใๅๅพใใไปฃใใใซ
ใญใฃใใทใฅใใใฆใใใใฎใไฝฟใใใจใใงใใพใใใใฎๅพใฏใ
ใญใฃใใทใฅใซใใใณใใผใฏๆ้ๅใ (expired) ใง็กๅนใงใใใจใใใ
ๅ
ใฎๅ ดๆใใๆฐใใใใฎใๅๅพใใๅฟ
่ฆใใใใพใใ</p>
<p><code>max-age</code> ไปฅๅค (<a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9">RFC
2616 section 14.9</a> ๅ็
ง) ใฎ <code>Cache-Control</code> ใฎใใฃใฌใฏใใฃใใ
ๆไฝใใใซใฏ <code class="directive"><a href="../mod/mod_headers.html#header">Header</a></code> ใใฃใฌใฏใใฃใใ
ไฝฟใใใจใใงใใพใใ</p></div>
<div id="quickview"><h3>ใใใใฏ</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#AltSyn">ไปฃๆฟๆ้ๆๅฎๆงๆ</a></li>
</ul><h3 class="directives">ใใฃใฌใฏใใฃใ</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#expiresactive">ExpiresActive</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#expiresbytype">ExpiresByType</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#expiresdefault">ExpiresDefault</a></li>
</ul>
<ul class="seealso"><li><a href="#comments_section">ใณใกใณใ</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="AltSyn" id="AltSyn">ไปฃๆฟๆ้ๆๅฎๆงๆ</a></h2>
<p><code class="directive"><a href="#expiresdefault">ExpiresDefault</a></code> ใใฃใฌใฏใใฃใใจ
<code class="directive"><a href="#expiresbytype">ExpiresByType</a></code> ใใฃใฌใฏใใฃใใฏ
ไปฅไธใฎใใ่ชญใฟๆใๆงๆใไฝฟใฃใฆๅฎ็พฉใใใใจใใงใใพใ:</p>
<div class="example"><p><code>
ExpiresDefault "<base> [plus] {<num>
<type>}*"<br />
ExpiresByType type/encoding "<base> [plus]
{<num> <type>}*"
</code></p></div>
<p><base> ใฏไปฅไธใฎใฉใใใงใ:</p>
<ul>
<li><code>access</code></li>
<li><code>now</code> ('<code>access</code>' ใจ็ญไพก)</li>
<li><code>modification</code></li>
</ul>
<p><code>plus</code> ใญใผใฏใผใใฏ็็ฅๅฏ่ฝใงใใ<num>
ใฏ (<code>atoi()</code> ใๅใไปใใ) ๆดๆฐๅคใ
<type> ใฏไปฅไธใฎใฉใใใงใ:</p>
<ul>
<li><code>years</code></li>
<li><code>months</code></li>
<li><code>weeks</code></li>
<li><code>days</code></li>
<li><code>hours</code></li>
<li><code>minutes</code></li>
<li><code>seconds</code></li>
</ul>
<p>ไพใใฐใไปฅไธใฎใใฃใฌใฏใใฃใใฏใฉใใใใใฉใซใใงๆๆธใใขใฏใปในใฎ 1 ใถๆๅพใซ
ๆ้ใๅใใใใใซใใใใใซไฝฟใใพใ:</p>
<div class="example"><p><code>
ExpiresDefault "access plus 1 month"<br />
ExpiresDefault "access plus 4 weeks"<br />
ExpiresDefault "access plus 30 days"
</code></p></div>
<p>ๆ้ๅใๆๅปใฏใใใคใ
'<num> <type>' ็ฏใ่ฟฝๅ ใใใใจใงใใ็ดฐใใ
ๅถๅพกใใใใจใใงใใพใ:</p>
<div class="example"><p><code>
ExpiresByType text/html "access plus 1 month 15
days 2 hours"<br />
ExpiresByType image/gif "modification plus 5 hours 3
minutes"
</code></p></div>
<p>ไฟฎๆญฃๆๅปใซๅบใฅใใ่จญๅฎใไฝฟ็จใใฆใใๅ ดๅใExpires ใใใใฏ
ใใฃในใฏใฎใใกใคใซไปฅๅคใฎใณใณใใณใใซใฏ<strong>่ฟฝๅ ใใใชใ</strong>ใใจใซๆณจๆ
ใใฆใใ ใใใใใฎใใใชใณใณใใณใใซใฏไฟฎๆญฃๆๅปใฏๅญๅจใใชใใใใงใใ</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="ExpiresActive" id="ExpiresActive">ExpiresActive</a> <a name="expiresactive" id="expiresactive">ใใฃใฌใฏใใฃใ</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">่ชฌๆ:</a></th><td><code>Expires</code> ใใใใฎ็ๆใๆๅนใซใใ</td></tr>
<tr><th><a href="directive-dict.html#Syntax">ๆงๆ:</a></th><td><code>ExpiresActive On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">ใณใณใใญในใ:</a></th><td>ใตใผใ่จญๅฎใใกใคใซ, ใใผใใฃใซใในใ, ใใฃใฌใฏใใช, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">ไธๆธใ:</a></th><td>Indexes</td></tr>
<tr><th><a href="directive-dict.html#Status">ในใใผใฟใน:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">ใขใธใฅใผใซ:</a></th><td>mod_expires</td></tr>
</table>
<p>ใใฎใใฃใฌใฏใใฃใใฏๅฏพๅฟใใใใญใฅใกใณใใฎ้ ๅใง
<code>Expires</code> ใจ <code>Cache-Control</code>ใใใใ
ๆๅนใซใใใ็กๅนใซใใใใๆฑบใใพใใ
(ไพใใฐใ<code>.htaccess</code> ใใกใคใซใงใฏใใฎใใฃใฌใฏใใชใฎ
ๆๆธใฎใฟใซ้ฉ็จใใใใจใใใใจใงใใ) <code>Off</code> ใซ
่จญๅฎใใใๅ ดๅใฏๅฏพๅฟ้ ๅใงใใใใฎใใใใฏ
็ๆใใใพใใ (<code>.htaccess</code> ใใตใผใ่จญๅฎใใกใคใซใฎ่จญๅฎใ
ไธๆธใใใใใจใใใใใชไธไฝใฌใใซใงใฎไธๆธใใใใใฆใใชใใใฐ)ใ
<code>On</code> ใซ่จญๅฎใใใฆใใใฐใใใใใฏ <code class="directive"><a href="#expiresbytype">ExpiresByType</a></code> ใใฃใฌใฏใใฃใใจ
<code class="directive"><a href="#expiresdefault">ExpiresDefault</a></code> ใใฃใฌใฏใใฃใ
ใฎๅบๆบใซๅพใฃใฆๆๆธใซใใใใ่ฟฝๅ ใใพใ (ๅใใฃใฌใฏใใฃใๅ็
ง)ใ</p>
<p>ใใฎใใฃใฌใฏใใฃใใฏ <code>Expires</code> ใจ
<code>Cache-Control</code> ใใใใฎๅญๅจใ
ไฟ่จผใใใใใงใฏใชใใใจใซๆณจๆใใฆใใ ใใใๅบๆบใๆบใใใใฆ
ใใชใๅ ดๅใฏใใใใฏ่ฟฝๅ ใใใใ็ตๆใจใใฆใใฎใใฃใฌใฏใใฃใใ
ๆๅฎใใใฆใใชใใฃใใใฎใใใซใใ่ฆใใใใจใซใชใใพใใ</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="ExpiresByType" id="ExpiresByType">ExpiresByType</a> <a name="expiresbytype" id="expiresbytype">ใใฃใฌใฏใใฃใ</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">่ชฌๆ:</a></th><td>MIME ใฟใคใใซใใฃใฆ่จญๅฎใใใ <code>Expires</code> ใใใใฎๅค</td></tr>
<tr><th><a href="directive-dict.html#Syntax">ๆงๆ:</a></th><td><code>ExpiresByType <var>MIME-type</var>
<var><code>seconds</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">ใณใณใใญในใ:</a></th><td>ใตใผใ่จญๅฎใใกใคใซ, ใใผใใฃใซใในใ, ใใฃใฌใฏใใช, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">ไธๆธใ:</a></th><td>Indexes</td></tr>
<tr><th><a href="directive-dict.html#Status">ในใใผใฟใน:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">ใขใธใฅใผใซ:</a></th><td>mod_expires</td></tr>
</table>
<p>ใใฎใใฃใฌใฏใใฃใใฏๆๅฎใใใใฟใคใใฎใใญใฅใกใณใ
(<em>ไพใใฐ</em> <code>text/html</code>)
ใซๅฏพใใฆ็ๆใใใ <code>Expires</code> ใใใใจ <code>Cache-Control</code>
ใใใใฎ <code>max-age</code> ใใฃใฌใฏใใฃใใฎๅคใๅฎ็พฉใใพใใ
ไบใค็ฎใฎๅผๆฐใฏๆ้ๅใใฎๆฅๆใ็ๆใใใใใฎๅบๆบๆๅปใซ่ฟฝๅ ใใใ
็งๆฐใ่จญๅฎใใพใใ<code>Cache-Control:
max-age</code> ใฏๆ้ๅใใฎๆๅปใใใชใฏใจในใๆๅปใๅผใใใใฎใ็งใง
่กจใใใจใง็ๆใใใพใใ</p>
<p>ๅบๆบๆๅปใฏใใกใคใซใฎๆ็ตไฟฎๆญฃๆๅปใใใฏใฉใคใขใณใใฎใใญใฅใกใณใใธใฎ
ใขใฏใปในๆๅปใงใใใฉใกใใไฝฟใในใใใฏ <code><var><code></var></code>
ใซใใฃใฆๆๅฎใใพใใ<code>M</code> ใฏๅบๆบๆๅปใจใใฆ
ใใกใคใซใฎๆ็ตไฟฎๆญฃๆๅปใใจใใๆๅณใงใ<code>A</code> ใฏใฏใฉใคใขใณใใฎ
ใขใฏใปในๆๅปใไฝฟใใจใใๆๅณใซใชใใพใใ</p>
<p>ๅนๆใซใฏๅพฎๅฆใช้ใใใใใพใใ<code>M</code> ใไฝฟ็จใใใๅ ดๅใฏใ
ใในใฆใฎใญใฃใใทใฅใซใใ็พๅจใฎใใญใฅใกใณใใญใฃใใทใฅใฏๅๆใซๆ้ใ
ๅใใพใใใใใฏๅใ URL ใซๆฏ้ฑๅธธใซ็ฝฎใใใๅ ฑใใฎใใใชใใฎใซใฏ
้ๅธธใซๆๅนใงใใ<code>A</code> ใไฝฟ็จใใใๅ ดๅใฏใๆ้ๅใใฎ
ๆ้ใฏๅใฏใฉใคใขใณใใซใใฃใฆ็ฐใชใใพใใใใใฏใใพใๅคๆดใใใชใ
็ปๅใใกใคใซใชใฉใ็นใซ้ข้ฃใใใใญใฅใกใณใ็พคใใในใฆๅใ็ปๅใ
ๅ็
งใใใจใ (<em>ใใชใใก</em>็ปๅใๆฏ่ผ็็ญใๆ้ๅ
ใซ็นฐใ่ฟใ
ใขใฏใปในใใใใจใ) ใซๆๅนใงใใ</p>
<div class="example"><h3>ไพ:</h3><p><code>
# enable expirations<br />
ExpiresActive On<br />
# expire GIF images after a month in the client's cache<br />
ExpiresByType image/gif A2592000<br />
# HTML documents are good for a week from the<br />
# time they were changed<br />
ExpiresByType text/html M604800
</code></p></div>
<p>ใใฎใใฃใฌใฏใใฃใใฏ <code>ExpiresActive On</code> ใๆๅฎใใใฆใใ
ใจใใฎใฟๆๅนใงใใใใจใซๆณจๆใใฆใใ ใใใใใใฏใ
ๆๅฎใใใ MIME ใฟใคใใซๅฏพใใฆ<em>ใฎใฟ</em> <code class="directive"><a href="#expiresdefault">ExpiresDefault</a></code> ใใฃใฌใฏใใฃใใง
่จญๅฎใใใๆ้ๅใๆๆฅใไธๆธใใใพใใ</p>
<p>ใใฎๆๆธใฎๅใฎๆนใง่ชฌๆใใใฆใใ<a href="#AltSyn">ไปฃๆฟๆงๆ</a>ใ
ไฝฟใฃใฆๆ้ๅใๆๆฅใฎ่จ็ฎๆนๆณใๆๅฎใใใใจใใงใใพใใ</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="ExpiresDefault" id="ExpiresDefault">ExpiresDefault</a> <a name="expiresdefault" id="expiresdefault">ใใฃใฌใฏใใฃใ</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">่ชฌๆ:</a></th><td>ๆ้ๅใๆๆฅใ่จ็ฎใใใใใฉใซใใขใซใดใชใบใ </td></tr>
<tr><th><a href="directive-dict.html#Syntax">ๆงๆ:</a></th><td><code>ExpiresDefault <var><code>seconds</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">ใณใณใใญในใ:</a></th><td>ใตใผใ่จญๅฎใใกใคใซ, ใใผใใฃใซใในใ, ใใฃใฌใฏใใช, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">ไธๆธใ:</a></th><td>Indexes</td></tr>
<tr><th><a href="directive-dict.html#Status">ในใใผใฟใน:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">ใขใธใฅใผใซ:</a></th><td>mod_expires</td></tr>
</table>
<p>ใใฎใใฃใฌใฏใใฃใใฏๅฏพๅฟใใ็ฏๅฒใฎใในใฆใฎใใญใฅใกใณใใซๅฏพใใฆ
ใใใฉใซใใฎๆ้ๅใๆๆฅใฎ่จ็ฎใขใซใดใชใบใ ใ่จญๅฎใใพใใ<code class="directive"><a href="#expiresbytype">ExpiresByType</a></code> ใใฃใฌใฏใใฃใใซใใฃใฆ
ใฟใคใๆฏใซไธๆธใใใใใจใใงใใพใใๅผๆฐใฎๆงๆใฏใใฎใใฃใฌใฏใใฃใใฎ
่ชฌๆใๅ็
งใใฆใใ ใใใใพใใ<a href="#AltSyn">ไปฃๆฟๆงๆ</a>ใ
ๅ็
งใใฆใใ ใใใ</p>
</div>
</div>
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<a href="../ko/mod/mod_expires.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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