logback 設定不同包下的日志級别

1、實作效果：項目的整體的日志列印級别為ERROR，但在某個包下或某個類想列印INFO級别的日志。

2、配置：

FILE是ERROR級别日志列印；

SPECIAL 是INFO級别日志列印；

FILE與SPECIAL唯一不同是日志儲存路徑不同，其它政策相同；

通過 logger标簽指定包路徑或類路徑并引用SPECIAL；

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <contextName>test</contextName>
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}/logs/test/test.%d.%i.log</fileNamePattern>
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy  class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder>
            <pattern>%d %p (%file:%line\)- %m%n -[%X{X-B3-TraceId:-},%X{X-B3-SpanId:-}]</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>


    <appender name="SPECIAL" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}/logs/test/special/special.%d.%i.log</fileNamePattern>
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy  class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder>
            <pattern>%d %p (%file:%line\)- %m%n -[%X{X-B3-TraceId:-},%X{X-B3-SpanId:-}]</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d %p (%file:%line\)- %m%n </pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>
    <!--列印SQL-->
    <logger name="daoLog" level="ERROR" />
    <!-- 記錄special記錄檔 -->
    <logger name="aaa.bbb.ccc.DemoService" level="INFO" >
        <appender-ref ref="SPECIAL"/>
    </logger>

    <root level="error">
        <appender-ref ref="FILE"/>
        <appender-ref ref="STDOUT"/>
    </root>
</configuration>