log4j简单配置案例

### set log levels ###
log4j.rootLogger = info,stdout,D,E

###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  %-4r [%t] %-5p %c:%L %x - %m%n

###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = ../log/log.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = DEBUG ##
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  %-4r [%t] %-5p %c:%L %x - %m%n

###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File = ../log/error.log
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  %-4r [%t] %-5p %c:%L %x - %m%n

log4j.logger.myjavapackage=debug