本地没有日志输出的话没就跟logback的配置有关了，可以直接复制粘贴我的，能输出日志信息后，再对比下和同学的有什么不同。
PS：你的日志是生成在tomcat实际发布的应用程序的目录下
<?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 -->
<!-- logger.trace("msg") logger.debug... -->
<property name="log.level" value="debug" />
<property name="log.maxHistory" value="30" />
<property name="log.filePath" value="${catalina.base}/logs/webapps" />
<property name="log.pattern"
value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n" />
<!-- 控制台设置 -->
<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
</appender>
<!-- DEBUG -->
<appender name="debugAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 文件路径 -->
<file>${log.filePath}/debug.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 文件名称 -->
<fileNamePattern>${log.filePath}/debug/debug.%d{yyyy-MM-dd}.log.gz
</fileNamePattern>
<!-- 文件最大保存历史数量 -->
<maxHistory>${log.maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>DEBUG</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- INFO -->
<appender name="infoAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 文件路径 -->
<file>${log.filePath}/info.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 文件名称 -->
<fileNamePattern>${log.filePath}/info/info.%d{yyyy-MM-dd}.log.gz
</fileNamePattern>
<!-- 文件最大保存历史数量 -->
<maxHistory>${log.maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- ERROR -->
<appender name="errorAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 文件路径 -->
<file>${log.filePath}/erorr.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 文件名称 -->
<fileNamePattern>${log.filePath}/error/error.%d{yyyy-MM-dd}.log.gz
</fileNamePattern>
<!-- 文件最大保存历史数量 -->
<maxHistory>${log.maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<logger name="com.imooc.o2o" level="${log.level}" additivity="true">
<appender-ref ref="debugAppender"/>
<appender-ref ref="infoAppender"/>
<appender-ref ref="errorAppender"/>
</logger>
<root level="info">
<appender-ref ref="consoleAppender"/>
</root>
</configuration>
