使用Maven开发
1.引入maven坐标
<!-- https://mvnrepository.com/artifact/log4j/log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
2.在主配置文件中开启日志
<settings>
<!--开启日志,并指定使用的具体日志-->
<setting name="LogImpl" value="LOG4J"/>
</settings>
3.编写日志文件(log4j.properties)
log4j.rootLogger=DEBUG,Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern= [%t] %-5p [%c] - %m%n