log_format caccess ‘$remote_addr-$remote_user [$time_local][$status][$host] "$request" "$request_body"‘ ‘$status $body_bytes_sent "$http_referer" ‘ ‘"$http_user_agent" "$http_x_forwarded_for"‘;
nginx log_format
原文：http://www.cnblogs.com/clouders/p/6599195.html
