log4j示例

### set log levels ###
log4j.rootLogger=DEBUG,stdout,D
log4j.logger.com.mchange.v2=ERROR
log4j.logger.org=ERROR
log4j.logger.net=ERROR
log4j.logger.java=ERROR
### \u8f93\u51fa\u5230\u63a7\u5236\u53f0 ###
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
log4j.appender.stdout.layout.ConversionPattern=%d %p %l - <%m>%n

### \u8f93\u51fa\u5230\u65e5\u5fd7\u6587\u4ef6 ###
log4j.appender.D =org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.Encoding=UTF-8
log4j.appender.D.File=logs/log.log
log4j.appender.D.Append=true
## \u8f93\u51faDEBUG\u7ea7\u522b\u4ee5\u4e0a\u7684\u65e5\u5fd7
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} [%c{1}\:%L]-[%p]\:%m%n