nowdown的博客

log4j的配置文件 Log4j.properties的内容如下：#打印到文件#log4j.rootLogger=debug, A1#log4j.appender.A1=org.apache.log4j.RollingFileAppender#log4j.appender.A1.File=Parser.log#log4j.appender.A1.MaxFileSize=10...

在使用的类中添加成员变量就可以。private Log logger = LogFactory.getLog(Hello.class); # Configure logging for testing: optionally with log file#log4j.rootLogger=WARN, stdout,A2#log4j.rootLogger=INFO, ...