话不多说直接贴全部代码在作解释

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <property name="pattern" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg %n"/>
    <property name="pattern-color" value="%yellow(%d{yyyy-MM-dd HH:mm:ss.SSS}) [%thread] %highlight(%-5level) %green(%logger{50}) - %highlight(%msg) %n"/>
    <property name="LOG_HOME" value="logs/dmm-physics-service"/>

    <!-- 控制台输出 -->
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <pattern>${pattern}</pattern>
        </encoder>
    </appender>

    <!-- 控制台输出-带颜色 -->
    <appender name="CONSOLE-WITH-COLOR" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <pattern>${pattern-color}</pattern>
        </encoder>
    </appender>

    <!-- 文件输出 -->
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">

        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 日志保存7天 -->
            <maxHistory>7</maxHistory>
            <fileNamePattern>${LOG_HOME}/bs-dmm-system.%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>

        <encoder>
            <pattern>${pattern}</pattern>
        </encoder>
    </appender>


    <root level="INFO">
        <appender-ref ref="CONSOLE-WITH-COLOR"/>
        <appender-ref ref="FILE"/>
    </root>

    <logger name="com.example.logbackdemo.IndexAction" level="info" additivity="false">
        <appender-ref ref="CONSOLE"/>
    </logger>

</configuration>

主要具体控制什么颜色的在这个地方

<property name="pattern-color" value="%yellow(%d{yyyy-MM-dd HH:mm:ss.SSS}) [%thread] %highlight(%-5level) %green(%logger{50}) - %highlight(%msg) %n"/>

其他的好理解，再来看这个日志文件输出的位置

<fileNamePattern>${LOG_HOME}/bs-dmm-system.%d{yyyy-MM-dd}.%i.log</fileNamePattern>

如果没有指定windows与Linux中的系统环境变量LOG_HOME的值，它默认就在本项目中存在，就在截图中这个位置