1.application.properities配置

#日志配置信息
logging.config=classpath:logback-spring.xml
log.path=/logs
log.level=info
log.name=allen-project

2.logback-spring.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<!-- application.properities中配置的变量 -->
<springProperty scope="context" name="logLevel" source="log.level"/>
<springProperty scope="context" name="logPath" source="log.path"/>
<springProperty scope="context" name="logName" source="log.name"/>

<!-- 控制台输出 -->
<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
     <encoder>
         <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
     </encoder>
</appender>

<!-- 日志文件输出 -->
<appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender">
     <file>${logPath}/${logName}.log</file>
     <encoder>
         <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
     </encoder>
     <!-- 按照每天生成日志文件 -->   
     <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--日志文件输出的文件名-->
            <fileNamePattern>${logPath}/${logName}.%d.log.zip</fileNamePattern>
            <!--日志文件保留天数-->
            <maxHistory>30</maxHistory>
     </rollingPolicy>
     <!--日志文件最大的大小-->
     <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
         <MaxFileSize>200MB</MaxFileSize>
     </triggeringPolicy>  
</appender>

<!-- 日志输出级别 -->
<root level="${logLevel}">
   <appender-ref ref="console"/>
   <appender-ref ref="file"/>
</root>

</configuration>