log4j.properties

#error/warn/info/debug#
log4j.rootLogger=warn, stdout, file

#to console#
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} %-5p %l - %m%n
log4j.appender.stdout.layout.ConversionPattern=%r %d{yyyy-MM-dd HH:mm:ss} [%p]  -%l -%n -%m%n
log4j.logger.java.sql.Connection=debug
log4j.logger.java.sql.Statement=debug
log4j.logger.java.sql.PreparedStatement=DEBUG

#to file#
# 文件大小到达指定尺寸的时候产生新文件
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.Append=true
log4j.appender.R.Threshold=info
log4j.appender.file.File=${webApp.root}/WEB-INF/logs/app.log
# 
log4j.appender.file.MaxFileSize=1024KB
log4j.appender.file.MaxBackupIndex=100
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%r %d{yyyy-MM-dd HH:mm:ss} [%p]  -%l -%n -%m%n

# 那些包路径需要打印日志
log4j.category.com.iss=debug
log4j.category.com.iss.test=debug