log4j2按日期按级别的日志文件归档（每天一个文件）

参考地址：http://mycuteblog.com/log4j2-xml-configuration-example/

<?xml version="1.0" encoding="UTF-8"?>
<!--设置log4j2的自身log级别为warn -->
<configuration status="warn">
<properties>
<Property name="log_path">./logs</Property>
</properties>
<appenders>
<console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="[%d][%t][%p][%c:%L] %m%n" />
</console>

<RollingFile name="RollingFileInfo" fileName="${log_path}/info.log"
filePattern="${log_path}/$${date:yyyy-MM}/info-%d{yyyy-MM-dd}-%i.log">
<Filters>
<ThresholdFilter level="INFO" />
<ThresholdFilter level="WARN" onMatch="DENY"
onMismatch="NEUTRAL" />
</Filters>
<PatternLayout pattern="[%d][%t][%p][%c:%L] %m%n" />
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true" />
<SizeBasedTriggeringPolicy size="100 MB" />
</Policies>
</RollingFile>

<RollingFile name="RollingFileWarn" fileName="${log_path}/warn.log"
filePattern="${log_path}/$${date:yyyy-MM}/warn-%d{yyyy-MM-dd}-%i.log">
<Filters>
<ThresholdFilter level="WARN" />
<ThresholdFilter level="ERROR" onMatch="DENY"
onMismatch="NEUTRAL" />
</Filters>
<PatternLayout pattern="[%d][%t][%p][%c:%L] %m%n" />
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true" />
<SizeBasedTriggeringPolicy size="100 MB" />
</Policies>
</RollingFile>

<RollingFile name="RollingFileError" fileName="${log_path}/error.log"
filePattern="${log_path}/$${date:yyyy-MM}/error-%d{yyyy-MM-dd}-%i.log">
<ThresholdFilter level="ERROR" />
<PatternLayout pattern="[%d][%t][%p][%c:%L] %m%n" />
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true" />
<SizeBasedTriggeringPolicy size="100 MB" />
</Policies>
</RollingFile>

<!-- 配置mongdb appender -->
</appenders>

<loggers>
<!--过滤掉spring和hibernate的一些无用的debug信息 -->

<root level="info">
<appender-ref ref="Console" />
<appender-ref ref="RollingFileInfo" />
<appender-ref ref="RollingFileWarn" />
<appender-ref ref="RollingFileError" />
<!-- 输出日志到mongodb -->
</root>

</loggers>

</configuration>