location /

{

rewrite ^/posid-([0-9]+)-([0-9]).html /index.php?m=content&a=newslis&posid=$1page=$2 last 

rewrite ^/([a-zA-Z]+)-([a-zA-Z]+)-([0-9]+)\.html$ /index.php?m=content&c=$1&a=$2&page=$3 last

}

第一条

www.b.com/index.php?m=content&a=newslis&posid=1page=2  重写成 www.b.com/posid-9-8.html

第二条

www.b.com//index.php?m=content&c=$1&a=$2&page=$3  重写成  www.b.com/随便字符串-随便字符串-页码.html