jar包依赖
log4j-api-2.9.0.jar
log4j-core-2.9.0.jar
log4j-slf4j-impl-2.9.0.jar
slf4j-api-1.7.25.jar
classPath路径下添加log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- 配置LoggerConfig,即Appenders的日志级别为WARN -->
<Configuration status="WARN">
<!-- Appenders支持配置多个Appender,支持向不同的目标输送日志,本例为配置向控制台输出 -->
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy/MM/dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
</Console>
</Appenders>
<!-- Loggers支持配置多个Logger,可引用不同的目标Appender,也可根据业务需求定制特定要求的Appender -->
<Loggers>
<Root level="info">
<AppenderRef ref="Console" />
</Root>
</Loggers>
</Configuration>