【SpringBoot】log4j2配置文件模板

<?xml version="1.0" encoding="UTF-8"?>
<!--日志级别以及优先级排序: OFF > FATAL > ERROR > WARN > INFO > DEBUG > TRACE > ALL -->
<!--Configuration后面的status，这个用于设置**log4j2自身内部**的信息输出，可以不设置，当设置成trace时，你会看到log4j2内部各种详细输出 -->
<!--monitorInterval：Log4j能够自动检测修改配置 文件和重新配置本身，设置间隔秒数 -->
<configuration status="WARN" monitorInterval="30">
    <!--先定义所有的appender -->
    <appenders>
        <!--控制台输出配置 -->
        <console name="logConsole" target="SYSTEM_OUT">
            <!--输出日志的格式 -->
            <PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss} [%p] [demo] %m%n"/>
        </console>

        <!-- 文件输出配置 -->
        <RollingFile name="logFileDebug"
                     fileName="logs/demo_debug.log"
                     filePattern="logs/demo_debug-%d{yyyy-MM-dd}.log">
            <Filters>
                <ThresholdFilter level="info" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="NEUTRAL"/>
            </Filters>
            <PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss} [%p] [demo] %m%n"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
            </Policies>
        </RollingFile>
        <RollingFile name="logFileInfo"
                     fileName="logs/demo_info.log"
                     filePattern="logs/demo_info-%d{yyyy-MM-dd}.log">
            <Filters>
                <ThresholdFilter level="warn" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss} [%p] [demo] %m%n"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
            </Policies>
        </RollingFile>
        <RollingFile name="logFileError"
                     fileName="logs/demo_error.log"
                     filePattern="logs/demo_error-%d{yyyy-MM-dd}.log">
            <Filters>
                <ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <PatternLayout pattern="%-d{yyyy-MM-dd HH:mm:ss} [%p] [demo] %m%n"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
            </Policies>
        </RollingFile>
    </appenders>
    <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效 -->
    <loggers>
        <root level="info">
            <appender-ref ref="logConsole"/>
            <appender-ref ref="logFileDebug"/>
            <appender-ref ref="logFileInfo"/>
            <appender-ref ref="logFileError"/>
        </root>

        <!--指定具体的包记录的日志级别 -->
        <logger name="org.springframework" level="warn"></logger>
        <logger name="com.example.demo" level="debug"></logger>
    </loggers>
</configuration>