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<?xml version="1.0" encoding="UTF-8"?><configuration><appender name="console" class="ch.qos.logback.core.ConsoleAppender"><layout class="ch.qos.logback.classic.PatternLayout"><Pattern> %d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n</Pattern></layout></appender><!-- 记录程序所有的log --><appender name="consoleFile" class="ch.qos.logback.core.rolling.RollingFileAppender"><file>logs/consoleFile.log</file><rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"><fileNamePattern>logs/consoleFile_%d{yyyy-MM-dd}.log</fileNamePattern></rollingPolicy><encoder><pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern></encoder></appender><!-- 只记录http请求的入参和返回结果 --><appender name="RquestResponseAppender" class="ch.qos.logback.core.rolling.RollingFileAppender"><file>logs/RequestResponse.log</file><rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"><fileNamePattern>logs/RequestResponse_%d{yyyy-MM-dd}.log</fileNamePattern></rollingPolicy><encoder><pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern></encoder><filter class="ch.qos.logback.classic.filter.LevelFilter"><level>INFO</level><onMatch>ACCEPT</onMatch><onMismatch>DENY</onMismatch></filter></appender><!-- ApiExceptionHandler.java中的日志 --><appender name="ExceptionAppender" class="ch.qos.logback.core.rolling.RollingFileAppender"><file>logs/ApiExceptionHandler.log</file><rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"><fileNamePattern>logs/RequestResponse_%d{yyyy-MM-dd}.log</fileNamePattern></rollingPolicy><encoder><pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern></encoder><filter class="ch.qos.logback.classic.filter.LevelFilter"><level>ERROR</level><onMatch>ACCEPT</onMatch><onMismatch>DENY</onMismatch></filter></appender><!-- logger可以覆盖root标签配置的属性 --><logger name="org.springframework" level="info" additivity="false"><appender-ref ref="console" /></logger><logger name="LogInterceptor" level="info" additivity="true"><appender-ref ref="console" /><appender-ref ref="RquestResponseAppender" /></logger><logger name="ApiExceptionHandler" level="info" additivity="false"><appender-ref ref="console" /><appender-ref ref="ExceptionAppender" /></logger><!-- 默认的log级别 --><root level="info"><appender-ref ref="console" /></root></configuration>

如果匹配到name为LogInterceptor的时候

private Logger log = LoggerFactory.getLogger(LogInterceptor.class.getSimpleName());

log会输出到console以及RequestResponseAppender

<logger name="LogInterceptor" level="info" additivity="true"><appender-ref ref="console" /><appender-ref ref="RquestResponseAppender" /></logger>

注意：由于additivity=true 如果log会继续传递，传递到默认root 设置的地方

ApiException设置了true 继续传递到root 注意看一下 consoleFile

<logger name="ApiExceptionHandler" level="info" additivity="true"><appender-ref ref="ExceptionAppender" /></logger><!-- 默认的log级别 --><root level="info"><appender-ref ref="console" /><appender-ref ref="consoleFile" /></root>

没有设置filte 如果设置了则会精确过滤，只打印指定级别的log

<filter class="ch.qos.logback.classic.filter.LevelFilter"><level>INFO</level><onMatch>ACCEPT</onMatch><onMismatch>DENY</onMismatch></filter>

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