LogBack配置文件使用示例

<?xml version="1.0" encoding="UTF-8"?>
<!-- 配置文件修改时重新加载，默认true -->
<configuration scan="true">
    <!--定义日志文件的存储地址 勿在 LogBack 的配置中使用相对路径-->
    <property name="CATALINA_BASE" value="**/logs"></property>
    <!-- 控制台输出 -->
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder charset="UTF-8">
            <!-- 输出日志记录格式 -->
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
    <!-- 第一个文件输出,每天产生一个文件 -->
    <appender name="FILE1" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 输出文件路径+文件名 -->
            <fileNamePattern>${CATALINA_BASE}/aa.%d{yyyyMMdd}.log</fileNamePattern>
            <!-- 保存30天的日志 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <!-- 输出日志记录格式 -->
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
    <!-- 第二个文件输出,每天产生一个文件 -->
    <appender name="FILE2" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${CATALINA_BASE}/bb.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${CATALINA_BASE}/bb.%d{yyyyMMdd}.log</fileNamePattern>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
    <appender name="CUSTOM" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${CATALINA_BASE}/custom.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- daily rollover -->
            <fileNamePattern>${CATALINA_BASE}/custom.%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- keep 30 days' worth of history -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
    <!-- 设置日志输出级别 -->
    <root level="ERROR">
        <appender-ref ref="CONSOLE" />
    </root>
    <logger name="file1" level="DEBUG">
        <appender-ref ref="FILE1" />
    </logger>
    <logger name="file1" level="INFO">
        <appender-ref ref="FILE2" />
    </logger>
    <!-- 自定义logger -->
    <logger name="custom" level="INFO">
        <appender-ref ref="CUSTOM" />
    </logger>
</configuration>