一个简单的实用的log4j.properties

#基本日志
log4j.rootLogger=info,stdout,logFile
#控制台输出
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{ABSOLUTE}] %5p %c{1}:%L - %m%n
#系统日志输出
log4j.appender.logFile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logFile.File=logs/mad_ccg.log
log4j.appender.logFile.DatePattern='.'yyyy-MM-dd
log4j.appender.logFile.layout=org.apache.log4j.PatternLayout
log4j.appender.logFile.layout.ConversionPattern=[%d{ABSOLUTE}] %5p %c{1}:%L - %m%n
#设置本工程类级别
log4j.logger.com.ctc.email=DEBUG