1. maven项目添加依赖
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.12.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.12.0</version>
</dependency>
</dependencies>
2. 添加log4j2配置文件,目录如下图
3. 配置文件名log4j2.xml,内容如下
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Root level="info">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>
4. 测试配置和打印结果5.

5.参考官方文档连接:
https://logging.apache.org/log4j/2.x/manual/configuration.html
maven-log4j2配置
原文:https://www.cnblogs.com/live-for-learning/p/11080048.html