使用.htaccess进行浏览器图片文件缓存,_PHP教程

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Release: 2016-07-12 08:49:19
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使用.htaccess进行浏览器图片文件缓存,

对于图片类网站,每次打开页面都要重新下载图片,慢不说,还非常浪费流量。这时就需要用到缓存,强制浏览器缓存图片文件

缓存文件,提问网站访问数度,减少流量消耗,现提供2中缓存代码

打开.htaccess文件,写入下面代码

方法一:统一缓存时长

<FilesMatch ".(flv|gif|jpg|jpeg|png|ico|txt|swf|pdf|swf|js)$">
Header set Cache-Control "max-age=2592000"
</FilesMatch>
Copy after login

方法二:按不同文件类型缓存时长

<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType image/jpg "access 1 year"
ExpiresByType image/jpeg "access 1 year"
ExpiresByType image/gif "access 1 year"
ExpiresByType image/png "access 1 year"
ExpiresByType text/css "access 1 month"
ExpiresByType text/html "access 1 month"
ExpiresByType application/pdf "access 1 month"
ExpiresByType text/x-javascript "access 1 month"
ExpiresByType application/x-shockwave-flash "access 1 month"
ExpiresByType image/x-icon "access 1 year"
ExpiresDefault "access 1 month" #默认文件缓存时长,慎用
</IfModule>
Copy after login

注意:

ExpiresDefault "access 1 month" ,默认文件缓存时长,慎用,否则你的有些方法将失效,比如记录浏览量,必须F5刷新页面才可以

扩展阅读:

 

如何创建.htaccess文件?

下载.htaccess文件

原文地址:http://cssteach.com/show-20-113.html

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/1138634.htmlTechArticle使用.htaccess进行浏览器图片文件缓存, 对于图片类网站,每次打开页面都要重新下载图片,慢不说,还非常浪费流量。这时就需要用到缓存...
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