log4j,logback,sl4j常用日志格式详解

%d{HH:mm:ss.SSS}：    打印日期 ------------ utputs the date of the logging event. ）

%p： 打印日志级别  ------------   Outputs the level of the logging event.

%c{40}：打印日志内容 ----------- Outputs the name of the logger that published the logging event.

%C: 打印调用日志所在类名字 ----------- Outputs the fully qualified class name of the caller issuing the logging request. may impact performance

%t：打印线程----------- Outputs the name of the thread that generated the logging event.）

%m：打印log 信息 ------------- Outputs the application supplied message associated with the logging event.）

%M: 打印方法名称 ------------ Outputs the method name where the logging request was issued.

%n：换行----------Outputs the platform dependent line separator character or characters.）

%L:打印日志所在行  -------- Outputs the line number from where the logging request was issued.may impact performance）
%highlight:  指定日志信息高亮  --------  Adds ANSI colors to the result of the enclosed pattern based on the current event's logging level.

参考链接：

http://logging.apache.org/log4j/2.x/manual/layouts.html