logback.xml文件小结

最近用到logback配置文件，小小的了解了下，做一个笔记。供自己复习！

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
	
	<!-- 日志保存路径为tomcat下面的logs下面的user_center文件夹，logback会自动创建文件夹，这样设置了就可以输出日志文件了 -->
	<substitutionProperty name="logbase" value="${catalina.base}/logs/user_center/" />
	<!--每个appender都是一个日志策略 -->
	<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
		<layout class="ch.qos.logback.classic.PatternLayout">
			<Pattern>.%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg %n
			</Pattern>
		</layout>
		<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
			<level>TRACE</level>
		</filter>
	</appender>
	
	<!-- 演示按时间滚动的策略 -->
  	<appender name="dailyRollingFileAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<File>${logbase}/usercenter.log</File>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
		    <!-- daily rollover -->
			<FileNamePattern>${logbase}/usercenter.%d{yyyy-MM-dd}.log</FileNamePattern>
			<!-- 保留 30天数据，默认无限-->
			<maxHistory>30</maxHistory>			
		</rollingPolicy>
		<encoder>
			<Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg %n</Pattern>
		</encoder> 	    
  	</appender>
  	<!-- 系统日志 -->
  	<appender name="dailyRollingFileAppenderSys" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<File>${logbase}/sysusercenter.log</File>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
		    <!-- daily rollover -->
			<FileNamePattern>${logbase}/sysusercenter.%d{yyyy-MM-dd}.log</FileNamePattern>
			<!-- 保留 30天数据，默认无限-->
			<maxHistory>30</maxHistory>			
		</rollingPolicy>
		<encoder>
			<Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg %n</Pattern>
		</encoder> 	    
  	</appender>
  	<appender name="minuteRollingFileAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${logbase}/metrics.log</file>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
		    <!-- rollover every minute -->
			<FileNamePattern>${logbase}/minute.%d{yyyy-MM-dd_HH-mm}.log</FileNamePattern>
			<!-- 最多保留10个文件，默认是7 -->
      		<maxIndex>10</maxIndex>
			<!-- keep 30 minutes' worth of history -->
			<maxHistory>30</maxHistory>			
		</rollingPolicy>
		<encoder>
			<Pattern>%-4relative [%thread] %-5level %logger{35} - %msg %n</Pattern>
		</encoder> 	    
  	</appender>  
  		
	<!-- 综合时间与大小的滚动策略，先按小时滚动，小时内的文件大于10mb时再按大小滚动 -->
	<appender name="businessLogFileAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${logbase}/business.log</file>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${logbase}/business-%d{yyyy-MM-dd_HH}.%i.zip</fileNamePattern>
			<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
				<maxFileSize>200MB</maxFileSize>
			</timeBasedFileNamingAndTriggeringPolicy>
		</rollingPolicy>
		<encoder>
			<Pattern>%d{HH:mm:ss.SSS},%msg%n</Pattern>
		</encoder>
	</appender>
	<!--此处使用appender  additivity是否继承父类的日志级别-->
        <logger name="com.kaiyuan.platform" level="DEBUG" additivity="false">
               <appender-ref ref="dailyRollingFileAppender"/><appender-ref ref="consoleAppender" />
        </logger> 
        <!--根日志级别-->
        <root>
             <level value="DEBUG" />
             <appender-ref ref="dailyRollingFileAppenderSys"/>
        </root>
  </configuration>

（编辑：李大同）

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