經過網上查閱和測試，發現Nginx的Rewrite規則和Apache的Rewite規則差別不是很大，幾乎可以直接使用。比如在Apache中這樣寫規則

rewrite ^/([0-9]{5}).html$ /viewthread.php?tid=$1 last;

而在Nginx中寫成這樣寫是無法啟動的，解決的辦法是加上兩個雙引號：

rewrite "^/([0-9]{5}).html$" /viewthread.php?tid=$1 last;

同時將RewriteRule為Rewrite，基本就實現了Nginx的Rewrite規則到Apache的Rewite規則的轉換。

Rewrite的Flags

WordPress的Rewrite
其實在Nginx下配置WordPress的Rewrite還是比較簡單的，在location /{..................}里面加入

if (!-f $request_filename){rewrite (.*) /index.php;}

即可實現。

下面是一個完整的vhost的配置文件

server {listen 80;server_name ccvita.com www.ccvita.com;location / {    index index.html index.htm index.php;    root /www/wwwroot/ccvita.com;    if (-f $request_filename/index.html){        rewrite (.*) $1/index.html break;    }    if (-f $request_filename/index.php){        rewrite (.*) $1/index.php;    }    if (!-f $request_filename){        rewrite (.*) /index.php;    }}location ~ /.php$ {    include fastcgi_params;    fastcgi_index index.php;    fastcgi_pass 127.0.0.1:8787;    fastcgi_param SCRIPT_FILENAME /www/wwwroot/ccvita.com$fastcgi_script_name;    }location /ccvita-status {    stub_status on;    access_log off;    }}

Discuz!的Rewrite
下面的Rewrite中百分號前面多了個轉移字符“/”，這在Apache中是需要的，而在Nginx中則是不需要的。

rewrite ^/thread-([0-9]+)-([0-9]+)-([0-9]+)/.html$ /viewthread.php?tid=$1&extra=page/%3D$3&page=$2 last;

正確的應該是

rewrite ^/thread-([0-9]+)-([0-9]+)-([0-9]+)/.html$ /viewthread.php?tid=$1&extra=page%3D$3&page=$2 last;

這個錯誤在基本上目前所有使用Nginx作為服務器，并且開啟了Rewrite的網站上存在。包括Discuz!官方，目前已經給cnteacher反饋了。
Nginx實例代碼

server {  listen    80;  server_name www.ccvita.com ccvita.com;  location / {     index      index.html index.htm index.php;     root      /www/www.ccvita.com;     rewrite ^(.*)/archiver/((fid|tid)-[/w/-]+/.html)$ $1/archiver/index.php?$2 last;     rewrite ^(.*)/forum-([0-9]+)-([0-9]+)/.html$ $1/forumdisplay.php?fid=$2&page=$3 last;     rewrite ^(.*)/thread-([0-9]+)-([0-9]+)-([0-9]+)/.html$ $1/viewthread.php?tid=$2&extra=page%3D$4&page=$3 last;     rewrite ^(.*)/profile-(username|uid)-(.+)/.html$ $1/viewpro.php?$2=$3 last;     rewrite ^(.*)/space-(username|uid)-(.+)/.html$ $1/space.php?$2=$3 last;     rewrite ^(.*)/tag-(.+)/.html$ $1/tag.php?name=$2 last;  }    location ~ /.php$ {        include fastcgi_params;        fastcgi_index index.php;        fastcgi_pass 127.0.0.1:8694;        fastcgi_param SCRIPT_FILENAME /www/www.ccvita.com$fastcgi_script_name;    }  location /www.ccvita.com-status {     stub_status on;     access_log off;  }}