log4j2的xml的配置样例

log4j2.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <Configuration status="warn" name="huawy-repayment-service" packages="">
     <Appenders>
         <Console name="Console" target="SYSTEM_OUT">
             <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
         </Console>

         <RollingFile name="RollingFile" fileName="/data/logs/hwy/xx.log"
             filePattern="/data/logs/hwy/$${date:yyyy-MM}/xx-%d{MM-dd-yyyy}-%i.log.gz">
             <PatternLayout>
                 <Pattern>%d %p %c{1.} [%t] %m%n</Pattern>
             </PatternLayout>
             <Policies>
                 <TimeBasedTriggeringPolicy />
                 <SizeBasedTriggeringPolicy size="250 MB" />
             </Policies>
         </RollingFile>
     </Appenders>
     <Loggers>
         <Root level="INFO">
             <AppenderRef ref="RollingFile" />
             <AppenderRef ref="Console" />
         </Root>
         <logger name="com.xx.xxDao" level="TRACE" additivity="false">
             <AppenderRef ref="Console" />
         </logger>
     </Loggers>
 </Configuration>

上面代码中的24行对某个包中的日志级别做对应的修改，如果dao层用的myBatis，那么日志将打印具体的SQL信息