tomcat日志格式 在配置文件 server.xml 中，具体参照官方文档 https://tomcat.apache.org/tomcat-8.0-doc/config/valve.html#Access_Log_Valve
pattern |
A formatting layout identifying the various information fields from the request and response to be logged, or the word |
- %a – Remote IP address
- %A – Local IP address
- %b – Bytes sent, excluding HTTP headers, or ‘-‘ if zero
- %B – Bytes sent, excluding HTTP headers
- %h – Remote host name (or IP address if
enableLookupsfor the connector is false) - %H – Request protocol
- %l – Remote logical username from identd (always returns ‘-‘)
- %m – Request method (GET, POST, etc.)
- %p – Local port on which this request was received. See also
%{xxx}pbelow. - %q – Query string (prepended with a ‘?‘ if it exists)
- %r – First line of the request (method and request URI)
- %s – HTTP status code of the response
- %S – User session ID
- %t – Date and time, in Common Log Format
- %u – Remote user that was authenticated (if any), else ‘-‘
- %U – Requested URL path
- %v – Local server name
- %D – Time taken to process the request, in millis
- %T – Time taken to process the request, in seconds
- %F – Time taken to commit the response, in millis
- %I – Current request thread name (can compare later with stacktraces)
根据日志格式，统计