.htaccess 文件设置如下： RewriteEngine on RewriteCond %{HTTP_REFERER} !^$ [NC] RewriteCond %{HTTP_REFERER} !unixidc.com [NC] RewriteCond %{HTTP_REFERER} !google.com [NC] RewriteRule .(png|jpg)$ /no.gif [R,NC,L] 简单的解释一下上述语句： 1、RewriteCond %{H...