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Apache下设置整站变灰方法

2010-12-27 17:07:06| 分类：网站 | 标签： |举报 |字号大中小订阅

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Apache下设置整站变灰方法

这里假设apache已经在运行，因此不需要重新编译apache，只新增mod_ext_filer模块。

cd httpd-2.2.15/modules/filters
apxs -cia mod_ext_filter.c

2、修改httpd.conf
1)定义过滤器(filter)的名字(这里为graypage)和配置filter要调用程序的名字(graypage.pl)

ExtFilterDefine graypage mode=output intype=text/html cmd="/usr/local/bin/graypage.pl"

2)Directory添加SetOutputFilter graypage，添加后完整的配置类似下面这样：
SetOutputFilter表示对所有输出使用过滤器

Options Indexes FollowSymLinks
AllowOverride All
SetOutputFilter graypage
Order allow,deny
Allow from all

/var/www/htdocs为DocumentRoot的路径。
3.创建/usr/local/bin/graypage.pl,内容如下：

#!/usr/bin/perl
my @lines = <STDIN>;
open GRAYLINE, "/var/www/htdocs/gray-css.txt" or die "cant't find the css file.";
my @graylines = <GRAYLINE>;
print @lines,@graylines;

注意加上可执行权限：chmod +x /usr/local/bin/graypage.pl
注：/var/www/htdocs/假设为documnentroot路径。

4.创建/var/www/htdocs/gray-css.txt，内容如下：

<style type="text/css">html {filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); }</style>

这段代码是使IE类浏览器变灰的CSS。（Firefox下无效）

5.重启Apache
apachectl graceful

提示：
很多站点是租用的服务器，可能没有权限修改web服务器，那么可以简单的在css文件(如果有全局css最好，比如WordPress的style.css)最后加入

html{filter: gray;}

除非是全局css，否则只会让某个页面变灰，而不能实现直接修改web服务器那样让所有页面都变灰。

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