经过网上查阅和测试,发现Nginx的Rewrite规则和Apache的Rewite规则差别不是很大,几乎可以直接使用。比如在Apache中这样写规则

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

而在Nginx中写成这样写是无法启动的,解决的办法是加上两个双引号:

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

同时将RewriteRule为Rewrite,基本就实现了Nginx的Rewrite规则到Apache的Rewite规则的转换。

Rewrite的Flags

  • last - 基本上都用这个Flag。
  • break - 中止Rewirte,不在继续匹配
  • redirect - 返回临时重定向的HTTP状态302
  • permanent - 返回永久重定向的HTTP状态301

WordPress的Rewrite
其实在Nginx下配置WordPress的Rewrite还是比较简单的,在location /{..................}里面加入

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

即可实现。

下面是一个完整的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中百分号前面多了个转移字符“\”,这在Apache中是需要的,而在Nginx中则是不需要的。

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

正确的应该是

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

这个错误在基本上目前所有使用Nginx作为服务器,并且开启了Rewrite的网站上存在。包括Discuz!官方,目前已经给cnteacher反馈了。
Nginx实例代码

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;
  }
}
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