Spring Boot logback 设置默认值
logback Spring Boot About 1,641 words使用 :- 设置默认值
${A:-B}
如:${java.io.tmpdir:-/tmp}
表示取java.io.tmpdir
的值,如果没有值设置为/tmp
。
${A:-${B}}
如:${java.io.tmpdir:-${user.dir}}
表示取java.io.tmpdir
的值,如果没有值设置为user.dir
变量的值。
示例
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<include resource="org/springframework/boot/logging/logback/defaults.xml"/>
<include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
<property name="logPath" value="${java.io.tmpdir:-/tmp}"/>
<appender name="FILE_APPENDER" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${logPath}/log-info.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>${logPath}/history-log-%d{yyyy-MM-dd}.zip</FileNamePattern>
<maxHistory>5</maxHistory>
</rollingPolicy>
<encoder>
<Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg %n</Pattern>
</encoder>
</appender>
<appender name="FILE_APPENDER_ASYNC" class="ch.qos.logback.classic.AsyncAppender">
<discardingThreshold>0</discardingThreshold>
<queueSize>12000</queueSize>
<neverBlock>true</neverBlock>
<appender-ref ref ="FILE_APPENDER"/>
</appender>
<root level="INFO">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="FILE_APPENDER_ASYNC"/>
</root>
<logger name="com.example" level="DEBUG"/>
</configuration>
Views: 3,212 · Posted: 2020-12-23
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