在src/main/resources下创建logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds"
	debug="false">
	<!-- 定义参数常量 -->
	<!-- TRACE\DEBUG\INFO\WARN\ERROR -->
	<property name="log.level" value="debug" />
	<property name="log.maxHistory" value="30"></property>
	<property name="log.filePath"
		value="${catalina.base}/logs/webapps"></property>
	<property name="log.pattern"
		value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{55} -
				%msg%n"></property>
	<!-- 控制台设置 -->
	<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<pattern>${log.pattern}</pattern>
		</encoder>
	</appender>
	<!-- DEBUG -->
    <appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 过滤器，只记录DEBUG级别的日志 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.filePath}/%d{yyyy-MM-dd}/debug.%i.log
            </fileNamePattern>
            <!-- 日志最大的历史 100天 -->
            <maxHistory>${log.maxHistory}</maxHistory>
            <maxFileSize>100MB</maxFileSize>
        </rollingPolicy>
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %X{req.remoteHost} %X{req.requestURI} %X{req.queryString} %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
	<!-- INFO -->
	<appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 过滤器，只记录DEBUG级别的日志 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.filePath}/%d{yyyy-MM-dd}/debug.%i.log
            </fileNamePattern>
            <!-- 日志最大的历史 100天 -->
            <maxHistory>${log.maxHistory}</maxHistory>
            <maxFileSize>100MB</maxFileSize>
        </rollingPolicy>
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %X{req.remoteHost} %X{req.requestURI} %X{req.queryString} %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
	<!-- ERROR -->
	<appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 过滤器，只记录DEBUG级别的日志 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.filePath}/%d{yyyy-MM-dd}/debug.%i.log
            </fileNamePattern>
            <!-- 日志最大的历史 100天 -->
            <maxHistory>${log.maxHistory}</maxHistory>
            <maxFileSize>100MB</maxFileSize>
        </rollingPolicy>
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %X{req.remoteHost} %X{req.requestURI} %X{req.queryString} %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
	<logger name="com.yorisk.o2o" levle="${log.level}" additivity="true">
		<appender-ref ref="DEBUG"/>
		<appender-ref ref="INFO"/>
		<appender-ref ref="ERROR"/>
	</logger>
	<root level="info">
		<appender-ref ref="consoleAppender"/>
	</root>
</configuration>

然后，我们可以启动tomcat，验证

我们在AreaController里添加日志信息，然后访问该资源

说明日志添加成功。