apache里mod_expires的用法

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新浪微博http.conf中mod_expires配置

<IfModule mod_expires.c>
    ExpiresActive on

    # <FilesMatch "//$|index/.shtml$">
    <LocationMatch "//index/.html$|//index/.shtml$">
       # ExpiresByType text/html A60
       ExpiresDefault A60 //缓存有效期一分钟
    </LocationMatch>

    <LocationMatch "//$">
        ExpiresDefault A60
    </LocationMatch>

    <LocationMatch "//crossdomain.xml">
        ExpiresDefault A86400 //缓存有效期一天=24*60*60
    </LocationMatch>

    <LocationMatch "//favicon.ico$">
        ExpiresDefault A2592000 //缓存有效期三天=3*24*60*60
    </LocationMatch>

    <LocationMatch "/.js$">
        ExpiresDefault A86400
    </LocationMatch>

    ExpiresByType image/gif A600   //缓存有效期10分钟=10*60
    ExpiresByType image/png A600
    ExpiresByType image/jpeg A600
    ExpiresByType audio/mpeg A129600
    ExpiresByType text/css A86400
    ExpiresByType application/x-shockwave-flash A86400

    ExpiresDefault A120
</IfModule>

或者

ExpiresActive on

ExpiresDefault "access plus 12 month"

ExpiresByType text/html "access plus 12 months"

ExpiresByType text/css "access plus 12 months"

ExpiresByType image/gif "access plus 12 months"

ExpiresByType image/jpeg "access plus 12 months"

ExpiresByType image/jpg "access plus 12 months"

ExpiresByType image/png "access plus 12 months"

EXpiresByType application/x-shockwave-flash "access plus 12 months"

EXpiresByType application/x-javascript "access plus 12 months"

ExpiresByType video/x-flv "access plus 12 months"

</IfModule>