1 . pom 依赖
<dependency> <groupId>org.slf4j</groupId> <artifactId>log4j-over-slf4j</artifactId> <version>1.7.25</version> </dependency>
2.项目中引用

import org.apache.log4j.Logger;
private final static Logger LOGGER = Logger.getLogger(ApiCtrl.class);
3.项目中使用
LOGGER.info("-------------------resvServerCmd params -------------------:" + params.toString());
LOGGER.error("发生错误"+User);
LOGGER.debug("debug");
来源:oschina
链接:https://my.oschina.net/daixingdeng/blog/4870301