resources目录下创建；lockback-spring.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<configuration  scan="true" scanPeriod="10 seconds">
    <contextName>logback</contextName>
    <!-- 格式化输出：%date表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度 %msg：日志消息，%n是换行符-->
    <property name="LOG_PATTERN" value="%date{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n" />
    <!-- 定义日志存储的路径，不要配置相对路径 -->
    <property name="FILE_PATH" value="D:/tmp/spring-log.%d{yyyy-MM-dd}.%i.log" />
    <!-- 控制台输出日志 -->
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <!-- 日志级别过滤INFO以下 -->
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>INFO</level>
        </filter>
        <encoder>
            <!-- 按照上面配置的LOG_PATTERN来打印日志 -->
            <pattern>${LOG_PATTERN}</pattern>
        </encoder>
    </appender>

    <!--每天生成一个日志文件，保存30天的日志文件。rollingFile用来切分文件的 -->
    <appender name="rollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${FILE_PATH}</fileNamePattern>
            <!-- keep 15 days' worth of history -->
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <!-- 日志文件的最大大小 -->
                <maxFileSize>2MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!-- 超出删除老文件 -->
            <totalSizeCap>1GB</totalSizeCap>
        </rollingPolicy>
        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
        </encoder>
    </appender>
    <!-- project default level -->
    <logger name="net.sh.rgface.serive" level="ERROR" />
    <!-- 日志输出级别 -->
    <root level="INFO">
    <appender-ref ref="console" />
    <appender-ref ref="rollingFile" />
    </root>
</configuration>