<?xml version="1.0" encoding="UTF-8"?><configuration status="off"><!--先定义所有的appender --><appenders><!--这个输出控制台的配置 --><Console name="Console" target="SYSTEM_OUT"><!--这个都知道是输出日志的格式 --><PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n%ex" /><!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch） --><ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY" /></Console><RollingFile name="RollingFile" fileName="/log/CFDMS.log" filePattern="/log/CFDMS.%d{yyyy-MM-dd}.log"><PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n%ex" charset="UTF-8" /><ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY" /><Policies><!-- 每天一个文件 --><TimeBasedTriggeringPolicy interval="1" modulate="true" /><!-- 保存365天的记录 --><DefaultRolloverStrategy max="365" /></Policies></RollingFile><RollingFile name="RollingFileSuccess" fileName="/log/CFDMSSuccess.log" filePattern="/log/CFDMSSuccess.%d{yyyy-MM-dd}.log"><PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n%ex" charset="UTF-8" /><Filters><!-- 显示error级别之外的信息 --><ThresholdFilter level="error" onMatch="DENY" onMismatch="NEUTRAL"/><ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY"/></Filters><Policies><!-- 每天一个文件 --><TimeBasedTriggeringPolicy interval="1" modulate="true" /><!-- 保存365天的记录 --><DefaultRolloverStrategy max="365" /></Policies></RollingFile><RollingFile name="RollingFileError" fileName="/log/CFDMSError.log" filePattern="/log/CFDMSError.%d{yyyy-MM-dd}.log"><PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n%ex" charset="UTF-8" /><Filters><!-- 只显示error级别的信息 --><ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/></Filters><Policies><!-- 每天一个文件 --><TimeBasedTriggeringPolicy interval="1" modulate="true" /><!-- 保存365天的记录 --><DefaultRolloverStrategy max="365" /></Policies></RollingFile><!-- 自定义一个log文件在程序中直接使用 --><RollingFile name="liuyxlog" fileName="/log/liuyx.log" append="true"  filePattern="/log/liuyx$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">  <PatternLayout pattern="%d{yyyy-MM-dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n"/>  <SizeBasedTriggeringPolicy size="4 MB"/>  </RollingFile></appenders><!--然后定义logger，只有定义了logger并引入的appender，appender才会生效 --><loggers><!-- 3rdparty Loggers -->  <logger name="org.springframework.core" level="warn">  </logger>  <logger name="org.springframework.beans" level="warn">  </logger>  <logger name="org.springframework.context" level="warn">  </logger>  <logger name="org.springframework.web" level="warn">  </logger>  <logger name="org.jboss.netty" level="warn">  </logger>  <logger name="org.apache.http" level="warn">  </logger>  <logger name="com.mchange.v2" level="warn">  </logger><!-- 自定义一个log文件在程序中直接使用 --><logger name="liuyxlogger" additivity="TRUE" level="ALL">  <appender-ref ref="liuyxlog" level="ALL" />  </logger><!--建立一个默认的root的logger --><root level="info"><appender-ref ref="RollingFile" /><appender-ref ref="RollingFileSuccess" /><appender-ref ref="RollingFileError" /><appender-ref ref="Console" /></root></loggers>
</configuration>

package com.inspur;import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;public class WhereIsMyLogFile {private static Logger logger = LogManager.getLogger("liuyxlogger"); private static Logger logger2 = LogManager.getLogger(WhereIsMyLogFile.class); public static void main(String[] args) {logger.trace("hello liuyx log");logger2.info("from logger2");logger2.error("im an error");}
}