Logback日志配置（分级别输出到不同文件）

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
<contextName>logback</contextName>
<property name="log.path" value="D:\\JAVA_LOGS\\transferservice_Logs\\" />
<!--输出到控制台-->
<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
<!--此日志appender是为开发使用，只配置最底级别，控制台输出的日志级别是大于或等于此级别的日志信息-->
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>debug</level>
</filter>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
<charset>utf-8</charset>
</encoder>
</appender>

<!--输出到debug-->
<appender name="debug" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log.path}/logback-debug-%d{yyyy-MM-dd}.log</fileNamePattern>
</rollingPolicy>
<append>true</append>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印DEBUG日志 -->
<level>DEBUG</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>

<!--输出到info-->
<appender name="info" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log.path}/logback-info-%d{yyyy-MM-dd}.log</fileNamePattern>
</rollingPolicy>
<append>true</append>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印INFO日志 -->
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>

<!--输出到error-->
<appender name="error" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log.path}/logback-error-%d{yyyy-MM-dd}.log</fileNamePattern>
</rollingPolicy>
<append>true</append>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印ERROR日志 -->
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>

<!--输出到warn-->
<appender name="warn" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log.path}/logback-warn-%d{yyyy-MM-dd}.log</fileNamePattern>
</rollingPolicy>
<append>true</append>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印WARN日志 -->
<level>WARN</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>

<!--分别设置对应的日志输出节点 -->
<root level="info">
<appender-ref ref="console" />
<appender-ref ref="debug" />
<appender-ref ref="info" />
<appender-ref ref="error" />
<appender-ref ref="warn" />
</root>

</configuration>

原文地址：https://www.cnblogs.com/huangtao1927/p/8687012.html