Apache rewrite 配置例子
1) /ganji/aaa 或 /ganji/aaa/ -> /ganji/index.php?city=aaa
2) /ganji/aaa/bbb 或 /ganji/aaa/bbb/ -> /ganji/index.php?city=aaa&p=bbb
RewriteEngine On
RewriteRule ^/ganji/([a-z0-9\.]+)[/]*$ /ganji/index.php?city=$1 [L]
RewriteRule ^/ganji/([a-z0-9\.]+)/([a-z0-9\.]+)[/]*$ /ganji/index.php?city=$1&p=$2 [L]