1. 这里设置的日志格式尽量紧凑 格式对齐, 方便在控制台查看.
2. 日志文件单个大小1M
3. 日志文件最大个数10个
   也就是最多保存10M日志

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
    <Properties>
        <property name="defaultPattern">%d{yyyyMMdd HHmmss.SSS} %-3.-3level [%-24thread] %36logger{36} - %msg%n</property>
        <property name="baseDir">logs</property>
        <property name="maxFileSize">1MB</property>
        <property name="maxFiles">10</property>
    </Properties>

    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="${defaultPattern}" />
        </Console>
        <RollingFile name="RollingFile"
            fileName="${baseDir}/log.txt"
            filePattern="${baseDir}/log-%d{yyyy-MM-dd}.%i.his.txt">
            <PatternLayout>
                <Pattern>${defaultPattern}</Pattern>
            </PatternLayout>
            <Policies>
                <SizeBasedTriggeringPolicy size="${maxFileSize}" />
            </Policies>
            <DefaultRolloverStrategy max="900000">
                <Delete basePath="${baseDir}" maxDepth="1">
                    <IfFileName glob="*.his.txt" />
                    <IfAccumulatedFileCount exceeds="${maxFiles}" />
                </Delete>
            </DefaultRolloverStrategy>
        </RollingFile>
    </Appenders>

    <Loggers>
        <logger name="com.ez" level="debug" />
        <Root level="INFO">
            <AppenderRef ref="Console" />
            <AppenderRef ref="RollingFile" />
        </Root>
    </Loggers>
</Configuration>