【Nginx高性能服务器】配置Nginx完美实现PATHINFO

这几天忙着组织开源项目，自己给整了一个云主机。在学校的时候就接触到Nginx了，但从未实践过，这次借此机会部署了LNMP环境，在安装过程中遇到过很多问题，不过后来都一一解决了。
　　【实践才是硬道理】


问题一、解决Nginx不支持PATHINFO

1. server
2.         {
3.                 listen       80 default_server;
4.                 server_name localhost;
5.                 index index.html index.htm index.php;
6.                 root  /web/www;
8.                 location ~ .*\.(php|php5)
9.                         {
10.                                 set $path_info '';
11.                                 set $real_script_name $fastcgi_script_name;
13.                                 try_files $uri =404;
15.                                 fastcgi_pass  unix:/tmp/php-cgi.sock;
16.                                 fastcgi_index index.php;
18.                                 #**********  set pathinfo *************
20.                                 if ($real_script_name ~ "^(.+?\.php)(/.+)$") {
21.                                         set $real_script_name $1;
22.                                         set $path_info $2;
23.                                  }
25.                                 fastcgi_param SCRIPT_FILENAME $document_root$real_script_name;
26.                                 fastcgi_param SCRIPT_NAME $real_script_name;
27.                                 fastcgi_param PATH_INFO $path_info;
28.                                 include fcgi.conf;
29.                         }
31.                 location /status
32.                         {
33.                                 stub_status on;
34.                                 access_log   off;
35.                         }
36.                 location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
37.                         {
38.                                 expires      30d;
39.                         }
41.                 location ~ .*\.(js|css)?$
42.                         {
43.                                 expires      12h;
44.                         }
46.                 access_log off;
47.         }

　　在include fcgi.conf时，要把fcgi.conf中的fastcgi_param SCRIPT_NAME以及fastcgi_param SCRIPT_FILENAME注释掉，不然SCRIPT_NAME与SCRIPT_FILENAME不会起作用的，PATHINFO是解决了，其它地方又会出问题。
　　还有一个地方要注意，Nginx在配置PATHINFO后，$_SERVER['PHP_SELF'] 仍然有问题，在ThinkPHP中会影响到PUBLIC常量，因此需要做下调整，在入口文件里加上

1. define('_PHP_FILE_',$_SERVER['SCRIPT_NAME']);

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