logback写日志

https://blog.csdn.net/u010128608/article/details/76618263

https://blog.csdn.net/zhuyucheng123/article/details/21524457

 <!-- 按时间回滚的同时，按文件大小来回滚 -->

 <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>