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