<appender name="FILE" class= "ch.qos.logback.core.rolling.RollingFileAppender">

             <!-- 支持多JVM同时操作同一个日志文件 -->

             <prudent>true</prudent>

             <!-- 按天来回滚，如果需要按小时来回滚，则设置为{yyyy-MM-dd_HH} -->

             <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">

                  <fileNamePattern>/opt/log/testC.%d{yyyy-MM-dd}.%i.log</fileNamePattern>

                  <!-- 如果按天来回滚，则最大保存时间为1天，1天之前的都将被清理掉 -->

                  <maxHistory>30</maxHistory>

                  <!-- 按时间回滚的同时，按文件大小来回滚 -->

                  <timeBasedFileNamingAndTriggeringPolicy

                       class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">

                       <maxFileSize>100MB</maxFileSize>

                  </timeBasedFileNamingAndTriggeringPolicy>

             </rollingPolicy>  

             <!-- 日志输出格式 -->

             <layout class="ch.qos.logback.classic.PatternLayout">

                  <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36}

                      -%msg%n</Pattern>

             </layout>

 </appender>  

//　每天生成一个

 1 <appender name="FILE2" class="ch.qos.logback.core.rolling.RollingFileAppender">  

         <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">  

             <!--      <fileNamePattern>/diskb/tongji/apache-tomcat-9.0.12/bin/cargoweblogs/statisticsVisit.%d{yyyy-MM-dd}.log</fileNamePattern>  -->

                   <fileNamePattern>cargoweblogs/statisticsVisit.%d{yyyy-MM-dd}.log</fileNamePattern>

             <maxHistory>1</maxHistory>

         </rollingPolicy>

         <filter class="ch.qos.logback.classic.filter.LevelFilter">

             <!-- LevelFilter: 级别过滤器，根据日志级别进行过滤 -->

             <level>INFO</level>

             <onMatch>ACCEPT</onMatch>

             <onMismatch>DENY</onMismatch>

         </filter>

         <encoder>  

                   <pattern>%-4relative [creatTime:%d{yyyy-MM-dd HH:mm:ss}] %-5level %logger{35} ^@^ %msg%n</pattern>  

         </encoder>

     </appender>