Spring Boot integrated log4j2 log configuration detailed tutorial

<!-- web -->
<dependency>
    <groupId></groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <!--RemoveSpringBootDefault configuration-->
    <exclusions>
        <!--The default filter systemlogbacklog-->
        <exclusion>
            <groupId></groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </exclusion>
    </exclusions>
</dependency>

<!-- Log4j2 -->
<dependency>
    <groupId></groupId>
    <artifactId>spring-boot-starter-log4j2</artifactId>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>

<!--ConfigurationThe one behindstatus，This is for setting uplog4j2The output of the information within itself,Can not be set,When set totracehour,You'll seelog4j2Various internal detailed outputs-->
<!--monitorInterval: Log4jAble to automatically detect and modify configurations Files and reconfigurations themselves,Set the interval seconds-->
<configuration monitorInterval="5">
    <!--Log level and priority sorting: OFF > FATAL > ERROR > WARN > INFO > DEBUG > TRACE > ALL -->

    <!-- Set properties yourself,Pass later${}Come and visit -->
    <properties>
        <!--Log storage directory-->
        <property name="LOG_HOME">log4j2-logs</property>
        <!--Log Name-->
        <property name="LOG_NAME">patrick-blog-server</property>
        <!--Log format-document-->
        <property name="LOG_FORMAT">[%d{yyyy-MM-dd HH:mm:}] %p %t %c[%L] - %m %n</property>
        <!--Log format-Console-->
        <property name="LOG_FORMAT_CONSOLE">%d{yyyy-MM-dd HH:mm:} %highlight{%-5level} [%t] %highlight{%c{1.}.%M(%L)}: %msg%n%throwable</property>
        <!--Backup directory- 根据年月建立document夹 -->
        <property name="BACKUP_HOME">${LOG_HOME}/$${date:yyyy-MM}</property>
        <!--Backup frequency-->
        <property name="BACK_HZ">%d{yyyy-MM-dd}</property>
    </properties>

    <appenders>
        <!--Console日志-->
        <console name="console" target="SYSTEM_OUT">
            <!--Format of output log-->
            <PatternLayout pattern="${LOG_FORMAT_CONSOLE}" disableAnsi="false" noConsoleNoAnsi="false"/>
            <!--Console只输出levelInformation at or above levels（onMatch）,Others are directly rejected（onMismatch）-->
            <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
        </console>

        <!--document会打印出所有information,thislogThe program will be automatically cleared every time you run it,Depend onappendAttribute determination,适合临hour测试用-->
        <File name="filelog" fileName="${LOG_HOME}/${LOG_NAME}/" append="false">
            <PatternLayout pattern="${LOG_FORMAT}"/>
        </File>

        <!-- this会打印出所有ofinfoInformation at the following levels,Each time the size exceedssize,Then thissizeLogs of size will be automatically saved by year-月份建立ofdocument夹下面并进行压缩,As an archive-->
        <RollingFile name="infoLog" fileName="${LOG_HOME}/${LOG_NAME}/" filePattern="${LOG_HOME}/${LOG_NAME}-INFO-%d{yyyy-MM-dd}_%">
            <!--Console只输出levelInformation at or above level（onMatch）,Others are directly rejected（onMismatch）-->
            <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            <PatternLayout pattern="${LOG_FORMAT}"/>
            <Policies>
                <!--intervalThe attribute is used to specify how often to scroll,The default is1 hour-->
                <TimeBasedTriggeringPolicy interval="1"/>
                <SizeBasedTriggeringPolicy size="10MB"/>
            </Policies>
            <!-- DefaultRolloverStrategyIf the property is not set,则默认为最多同一document夹下7个document开始覆盖-->
            <DefaultRolloverStrategy max="15"/>
        </RollingFile>

        <!-- this会打印出所有ofwarnInformation at the following levels,Each time the size exceedssize,Then thissizeLogs of size will be automatically saved by year-月份建立ofdocument夹下面并进行压缩,As an archive-->
        <RollingFile name="warnLog" fileName="${LOG_HOME}/${LOG_NAME}/" filePattern="${LOG_HOME}/${LOG_NAME}-WARN-%d{yyyy-MM-dd}_%">
            <!--Console只输出levelInformation at or above level（onMatch）,Others are directly rejected（onMismatch）-->
            <ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY"/>
            <PatternLayout pattern="${LOG_FORMAT}"/>
            <Policies>
                <!--intervalThe attribute is used to specify how often to scroll,The default is1 hour-->
                <TimeBasedTriggeringPolicy interval="1"/>
                <SizeBasedTriggeringPolicy size="10MB"/>
            </Policies>
            <!-- DefaultRolloverStrategyIf the property is not set,则默认为最多同一document夹下7个document开始覆盖-->
            <DefaultRolloverStrategy max="15"/>
        </RollingFile>

        <!-- this会打印出所有oferrorInformation at the following levels,Each time the size exceedssize,Then thissizeLogs of size will be automatically saved by year-月份建立ofdocument夹下面并进行压缩,As an archive-->
        <RollingFile name="errorLog" fileName="${LOG_HOME}/${LOG_NAME}/" filePattern="${LOG_HOME}/${LOG_NAME}-ERROR-%d{yyyy-MM-dd}_%">
            <!--Console只输出levelInformation at or above level（onMatch）,Others are directly rejected（onMismatch）-->
            <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
            <PatternLayout pattern="${LOG_FORMAT}"/>
            <Policies>
                <!--intervalThe attribute is used to specify how often to scroll,The default is1 hour-->
                <TimeBasedTriggeringPolicy interval="1"/>
                <SizeBasedTriggeringPolicy size="10MB"/>
            </Policies>
            <!-- DefaultRolloverStrategyIf the property is not set,则默认为最多同一document夹下7个document开始覆盖-->
            <DefaultRolloverStrategy max="15"/>
        </RollingFile>

    </appenders>

    <!--LoggerThe form used by nodes to specify the log separately,For example, you need to subscribe for the specified packageclassSpecify different log levels, etc.。-->
    <!--Then defineloggers,Only definedloggerand introducedappender,appenderIt will take effect-->
    <loggers>

        <!--Filter outspringandmybatisSome uselessDEBUGinformation-->
        <logger name="" level="info" additivity="false">
            <AppenderRef ref="console"/>
        </logger>
        <!--监控系统information-->
        <!--ifadditivitySet asfalse,ZeziLogger Only in your ownappenderOutput,Not in the fatherLogger ofappenderOutput。-->
        <Logger name="" level="info" additivity="false">
            <AppenderRef ref="console"/>
        </Logger>

        <root level="info">
            <!-- 输出到Console -->
            <appender-ref ref="console"/>
            <!-- 输出到document -->
            <appender-ref ref="filelog"/>
            <appender-ref ref="infoLog"/>
            <appender-ref ref="warnLog"/>
            <appender-ref ref="errorLog"/>
        </root>
    </loggers>

</configuration>

@Slf4j
public class LogTest {
  
  public static void main(String... args) {
    ("Something is warning here");
  }
  
}