1、下載slf4j包,如slf4j-1.7.25.zip,解壓後取slf4j-api-1.7.25.jar,放到工程的lib目錄2、下載log4j2包,如apache-log4j-2.8.2-bin.zip,解壓後取log4j-slf4j-impl-2.8.2.jar,log4j-core-2.8.2.jar,log4j-api-2.8.2.jar。放到工程的lib目錄
3、在eclips導入上述的第三方包,倒入方法如下
4、接着在代碼中引用日誌
import org.slf4j.*; import org.slf4j.spi.*; public class LogTest { private static final Logger logger = LoggerFactory.getLogger(LogTest.class); public static void main(String[] args) { logger.info("Hello wolrd!"); ....... ......} }
5、Eclipse指定log4j2.xml配置路徑
JAVA虛擬機機啓動參數添加-Dlog4j.configurationFile={yourPath}\log4j2.xml
延伸閱讀:slf4j與log4j關係 , log4j2日誌配置