PATHINFO是一个CGI 1.1的标准,经常用来做为传参载体,在Apache中, 当不加配置的时候, 对于PHP脚本, AcceptPathInfo是默认接受的,而对于Nginx下, 是不支持PATHINFO 的, 也就是需要设置才能使用PATHINFO模式.
我们可以使用PATH_INFO来代替Rewrite来实现伪静态页面, 很多PHP框架也使用PATHINFO模式来作为路由载体
Apache 默认设置PATHINFO原理分析
#对于请求http://www.z1988.com/tools/index.php/login/index
#Apache都接受, 都会认为是对index.php的访问, 并会设置PATH_INFO为’/login/index’
print_r($_SERVER[“PATH_INFO”]);//login/index
nginx 模拟PATH_INFO
Nginx是通过对文件名的扩展名匹配,来决定是否要交给php cgi服务器去解释的.在nginx.conf
location ~ \.php(.*)$ { try_files $uri =404; fastcgi_pass 127.0.0.1:20071; fastcgi_index index.php; include fastcgi_params; include pathinfo; }
fastcgi_params
fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param REQUEST_SCHEME $scheme; fastcgi_param HTTPS $https if_not_empty; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; # PHP only, required if PHP was built with --enable-force-cgi-redirect fastcgi_param REDIRECT_STATUS 200;
pathinfo
set $real_script_name $fastcgi_script_name; if ($fastcgi_script_name ~ "^(.+?\.php)(/.+)$") { set $real_script_name $1; set $path_info $2; } fastcgi_param SCRIPT_FILENAME $document_root$real_script_name; fastcgi_param SCRIPT_NAME $real_script_name; fastcgi_param PATH_INFO $path_info;