logback 設置不同包下的日誌級別

1、實現效果：項目的整體的日誌打印級別爲ERROR，但在某個包下或某個類想打印INFO級別的日誌。
2、配置：
FILE是ERROR級別日誌打印；
SPECIAL 是INFO級別日誌打印；
FILE與SPECIAL唯一不同是日誌保存路徑不同，其它策略相同；
通過 logger標籤指定包路徑或類路徑並引用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>
    <!--打印SQL-->
    <logger name="daoLog" level="ERROR" />
    <!-- 記錄special操作日誌 -->
    <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>