logback配置文件详解

<configuration>

  <!-- 定义变量 -->
  <property name="LOG_PATH" value="/path/to/logs" />
  <property name="APP_NAME" value="MyApp" />

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

  <!-- 定义输出到文件的 appender -->
  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${LOG_PATH}/${APP_NAME}.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>${LOG_PATH}/${APP_NAME}.%d{yyyy-MM-dd}.%i.log</fileNamePattern>
      <maxHistory>30</maxHistory>
    </rollingPolicy>
    <encoder>
      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
    </encoder>
  </appender>

  <!-- 定义根记录器 -->
  <root level="info">
    <appender-ref ref="STDOUT" />
    <appender-ref ref="FILE" />
  </root>

  <!-- 定义特定包的记录器 -->
  <logger name="com.example.myapp" level="debug">
    <appender-ref ref="FILE" />
  </logger>

</configuration>