Spring Boot 整合 Log4j2 实践日志

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.spring</groupId>
    <artifactId>springboot</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>springboot</name>
    <description>Demo Log4j2 for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.4.RELEASE</version>
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- 代码简化 -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.16</version>
        </dependency>

        <!-- 日志 Log4j2 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j2</artifactId>
        </dependency>

        <!-- Log4j2 异步支持 -->
        <dependency>
            <groupId>com.lmax</groupId>
            <artifactId>disruptor</artifactId>
            <version>3.3.6</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

<?xml version="1.0" encoding="UTF-8"?>
<!-- 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。可以设置成OFF(关闭) 或 Error(只输出错误信息)。
     30s 刷新此配置
-->
<configuration status="WARN" monitorInterval="30">

    <!-- 日志文件目录、压缩文件目录、日志格式配置 -->
    <properties>
        <Property name="fileName">/Users/admin/Code/log</Property>
        <Property name="fileGz">/Users/admin/Code/log/7z</Property>
        <Property name="PID">????</Property>
        <Property name="LOG_PATTERN">%clr{%d{yyyy-MM-dd HH:mm:ss.SSS}}{faint} %clr{%5p} %clr{${sys:PID}}{magenta} %clr{---}{faint} %clr{[%15.15t]}{faint} %clr{%-40.40c{1.}}{cyan} %clr{:}{faint} %m%n%xwEx</Property>
    </properties>

    <Appenders>
        <!-- 输出控制台日志的配置 -->
        <Console name="console" target="SYSTEM_OUT">
            <!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch）-->
            <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY"/>
            <!-- 输出日志的格式 -->
            <PatternLayout pattern="${LOG_PATTERN}"/>
        </Console>

        <!-- 打印出所有的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档 -->
        <RollingRandomAccessFile name="infoFile" fileName="${fileName}/web-info.log" immediateFlush="false"
                                    filePattern="${fileGz}/$${date:yyyy-MM}/%d{yyyy-MM-dd}-%i.web-info.gz">
            <PatternLayout pattern="${LOG_PATTERN}"/>

            <Policies>
                <SizeBasedTriggeringPolicy size="20 MB"/>
            </Policies>

            <Filters>
                <!-- 只记录info和warn级别信息 -->
                <ThresholdFilter level="error" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>

            <!-- 指定每天的最大压缩包个数，默认7个，超过了会覆盖之前的 -->
            <DefaultRolloverStrategy max="50"/>
        </RollingRandomAccessFile>

        <!-- 存储所有error信息 -->
        <RollingRandomAccessFile name="errorFile" fileName="${fileName}/web-error.log" immediateFlush="false"
                                    filePattern="${fileGz}/$${date:yyyy-MM}/%d{yyyy-MM-dd}-%i.web-error.gz">
            <PatternLayout pattern="${LOG_PATTERN}"/>

            <Policies>
                <SizeBasedTriggeringPolicy size="50 MB"/>
            </Policies>

            <Filters>
                <!-- 只记录error级别信息 -->
                <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>

            <!-- 指定每天的最大压缩包个数，默认7个，超过了会覆盖之前的 -->
            <DefaultRolloverStrategy max="50"/>
        </RollingRandomAccessFile>
    </Appenders>

    <!-- Mixed sync/async -->
    <Loggers>
        <Root level="debug" includeLocation="true">
            <AppenderRef ref="console"/>
            <AppenderRef ref="infoFile"/>
            <AppenderRef ref="errorFile"/>
        </Root>

        <AsyncRoot level="debug" includeLocation="true">
            <AppenderRef ref="console"/>
            <AppenderRef ref="infoFile"/>
            <AppenderRef ref="errorFile"/>
        </AsyncRoot>
    </Loggers>

</configuration>

@SpringBootApplication
@EnableScheduling
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

}

@Component
@Log4j2
public class LogJob {

    /**
     * 2秒钟执行1次
     */
    @Scheduled(fixedRate = 2 * 1000)
    public void logging(){
        Date now = new Date();
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        log.info(simpleDateFormat.format(now));
        log.debug("-------DEBUG---------");
        log.error(now.getTime());
    }

}