nginx 配置说明 rewrite

项目配置：

server {

    listen 807;

    server_name localhost;
    root /data/web/myblog/web;
    client_max_body_size 501m;

    error_log /data/server/nginx/symfony2.error.log;
    access_log /data/server/nginx/symfony2.access.log;

# strip app.php/ prefix if it is present

# 如果出现192.168.1.53:807/app.php/blog/index 那么直接重定向到 192.168.1.53:807/blog/index

rewrite ^/app\.php/?(.*)$ /$1 permanent;

# 上面重定向后符合到这个location 那么又进行try_files 找这个uri 如果找到直接返回uri 找不到重定向到 rewriteapp 这个loacation 进行重写又再次变成

#192.168.1.53:807/app.php/blog/index

    location / {
        index index.php;
        try_files $uri @rewriteapp;
    }

    location @rewriteapp {
        rewrite ^(.*)$ /app.php/$1 last;
    }

    # pass the PHP scripts to FastCGI server from upstream phpfcgi
    location ~ ^/(app|app_dev|config)\.php(/|$) {
        fastcgi_pass unix:/tmp/php.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi.conf;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
    }

location ~ \.php$ {
        fastcgi_pass unix:/tmp/php.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi.conf;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;

}

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解析

fastcgi_split_path_info

目的：让php能够解析类似这样的url http://www.92csz.com/index.php/abc/def
在默认情况下我们打开这个url时会出现无法找到该页。这就需要在nginx做path_info设置了。
原理：把index.php做为php执行的脚本,把/abc/def做为参数传给php-cgi执行。
实现：nginx版本0.7.31以上支持fastcgi_split_path_info，这个指令可以设置SCRIPT_FILENAME和PATH_INFO的变量，用正则表达式将这两部分分开.
例子：我们在nginx配置文件"local"区块中加入以下代码。

location ~ ^.+\.php
{
fastcgi_pass 127.0.0.1:9000;
fastcgi_split_path_info ^(.+\.php)(.*)$;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO $fastcgi_path_info;
fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;
(...)
}

重启nginx服务

/usr/local/nginx/sbin/nginx -s reload

当nginx处理http://www.92csz.com/index.php/abc/def请求时，将会把"index.php"做为php的脚本，/abc/def做为index.php脚本的参数提交给php-cgi执行

nginx 配置说明 rewrite

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