Log4j2扩展

特定配置文件

<SpringProfile name="staging">
    <!-- 当“staging”配置文件处于活动状态时启用的配置 -->
</SpringProfile>

<SpringProfile name="dev | staging">
<!-- 当“dev”或“staging”配置文件处于活动状态时启用的配置 -->
</SpringProfile>

<SpringProfile name="!production">
<!-- 当“production”配置文件未处于活动状态时启用的配置 -->
</SpringProfile>

环境属性查找

<Properties>
    <Property name="applicationName">${spring:spring.application.name}</Property>
</Properties>

maven

<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>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j2</artifactId>
        </dependency>
    </dependencies>

log4j2.xml

读取spring的配置属性需要使用${spring:xxxxx}

<?xml version="1.0" encoding="UTF-8"?>
<Configuration name="Config" status="INFO" monitorInterval="5">
    <Properties>
        <Property name="serviceName">${spring:service.name}</Property>
    </Properties>
    <Appenders>
        <SpringProfile name="dev | staging">
            <Console name="Out">
                <PatternLayout pattern="%m%n"/>
            </Console>
        </SpringProfile>
        <SpringProfile name="prod">
            <Console name="Out" target="SYSTEM_OUT">
                <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - ${serviceName} - %msg%n"/>
            </Console>
        </SpringProfile>
    </Appenders>
    <Loggers>
        <Logger name="org.apache.test" level="INFO" additivity="false">
            <AppenderRef ref="Out"/>
        </Logger>
        <Root level="INFO">
            <AppenderRef ref="Out"/>
        </Root>
    </Loggers>
</Configuration>