log4j.properties

### set log levels ###
log4j.rootLogger = INFO, stdout , D , E
### u8F93u51FAu5230u63A7u5236u53F0 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Threshold = Debug 
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{1}:%L - %m%n
### u8F93u51FAu5230u65E5u5FD7u6587u4EF6 ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.Encoding=UTF-8
log4j.appender.D.File = ${LOG_DIR}/log/log.html
##log4j.appender.D.File = null/log/log.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = Debug 
## u8F93u51FADEBUGu7EA7u522Bu4EE5u4E0Au7684u65E5u5FD7 ##
log4j.appender.D.layout = com.core.HtmlLogFormat 
#log4j.appender.D.layout = org.apache.log4j.HTMLLayout
##log4j.appender.D.layout = org.apache.log4j.PatternLayout
##log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n

### u4FDDu5B58u5F02u5E38u4FE1u606Fu5230u5355u72ECu6587u4EF6 ###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File = ${LOG_DIR}/log/error.log 
##log4j.appender.E.File = null/log/error.log
## u5F02u5E38u65E5u5FD7u6587u4EF6u540D ##
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR 
## u53EAu8F93u51FAERRORu7EA7u522Bu4EE5u4E0Au7684u65E5u5FD7!!! ##
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n 
原文地址:https://www.cnblogs.com/lgm1999/p/6233086.html