一般我們在開發的時候，希望log打到控制檯上，而在釋出的時候，希望打到檔案裡面。在spring裡面可以通過profile進行切換。

在application.yml裡面，每個profile增加

logging:
  config: classpath:log-dev.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>
                %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
            </Pattern>
        </layout>
    </appender>

    <logger name="cn.v5" level="debug"
            additivity="false">
        <appender-ref ref="STDOUT" />
    </logger>

    <root level="error">
        <appender-ref ref="STDOUT" />
    </root>

</configuration>
 

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>logs/match.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <fileNamePattern>logs/match%i.log</fileNamePattern>
            <minIndex>1</minIndex>
            <maxIndex>10</maxIndex>
        </rollingPolicy>
        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <maxFileSize>100KB</maxFileSize>
        </triggeringPolicy>
        <encoder>
            <pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n</pattern>
        </encoder>
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>
                %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
            </Pattern>
        </layout>
    </appender>

    <logger name="cn.v5" level="debug"
            additivity="false">
        <appender-ref ref="file" />
    </logger>

    <root level="error">
        <appender-ref ref="file" />
    </root>

</configuration>