头缓存-始终在apache上发送控件

Question

<IfModule mod_expires.c>
 ExpiresActive On
  ExpiresByType image/gif "access plus 27 days"
  ExpiresByType image/jpeg "access plus 27 days"
  ExpiresByType image/png "access plus 27 days"
  ExpiresByType text/css "access plus 27 days"
  ExpiresByType text/javascript "access plus 27 days"
  ExpiresByType application/javascript "access plus 27 days"
  ExpiresByType application/x-javascript "access plus 27 days"
</IfModule>

<ifModule mod_headers.c> 
    # One month for image and video files
    <filesMatch ".(flv|gif|ico|jpg|jpeg|mp4|mpeg|png|svg|swf|webp)$">
        Header unset Cache-Control
        Header set Cache-Control "max-age=2592000, public"
    </filesMatch>

    # One month for JavaScript and PDF files
    <filesMatch ".(js)$">
        Header unset Cache-Control
        Header set Cache-Control "max-age=2592000, public"
    </filesMatch>

    # One month for CSS files
    <filesMatch ".(css)$">
        Header unset Cache-Control
        Header set Cache-Control "max-age=2592000, public"
    </filesMatch>
</ifModule>

HTTP/1.1 200 OK
Date: Fri, 16 Aug 2019 02:49:11 GMT
Server: Apache
Cache-Control: private, max-age=0, must-revalidate
Last-Modified: Sat, 04 May 2013 12:52:00 GMT
ETag: "108a-4dbe3eef5fc00-gzip"
Accept-Ranges: bytes
Cache-Control: max-age=2592000, public
Expires: Sun, 18 Aug 2019 02:49:11 GMT
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 4221
Keep-Alive: timeout=5, max=96
Connection: Keep-Alive
Content-Type: image/gif

Answer 1

在应用此配置时，expires模块尚未设置标头，因此标头unset cache-control行不会执行任何操作。

相反，只需关闭这些部分中的expires模块即可。即替换这个：

Header unset Cache-Control

有了这个：

<IfModule mod_expires.c>
  ExpiresActive Off
</IfModule>