问在url中生成nginx更改参数

EN

server {
    listen       80;
    server_name  example.com;
    rewrite_log on;
    # note that these lines are originally from the "location /" block
    root   /usr/share/nginx/example.com;
    index index.php index.html index.htm;
    location / {
        try_files $uri $uri/ =404;
    }
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    } 
}