http://www.cnblogs.com/ahaii/p/7410421.html
[2017-12-17T00:01:03+08:00]
["GET /user/comm/login?school_id= HTTP/1.1" 302 0 0.005] ["https://u.unipus.cn/index.html/?logout=true"
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.3831.602
Safari/537.36"]
[ %{TIMESTAMP_ISO8601:request_time} ] [ %{IP:client11} * %{IP:client12}:%{NUMBER:port12} * ((%{IP:client13}:%{NUMBER:port13})|(-))? ] [ %{IP:client21}:%{NUMBER:port21} * %{IP:client22}:%{NUMBER:port22} ] [ "%{WORD:method} (?:%{URIPATH:baseurl}(?%{DATA:params})?) (HTTP/%{NUMBER:http_version})" %{NUMBER:http_status} %{NUMBER:bytes} %{NUMBER:duration} ] [ "%{GREEDYDATA:refer}" "%{GREEDYDATA:agent}" ] [ (\x22%{DATA:Nguserid}\x22)? ]