listen       80;
server_name  test.com
#默认其他                                                                          
location / {
     try_files $uri $uri/ /index.php?$query_string;
}
#转发(将test.com/spider/    转发到  http://dev.com/ )
location /spider/ {
     #rewrite 格式为: rewrite 规则 定向路径 重写类型;
     rewrite ^/spider/(.*)$ /$1 break;
     proxy_pass http://dev.com/;
     #以下两个header解决跨域问题
     proxy_set_header   X-Real-IP        $remote_addr;
     proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
}