### set log levels ### ### debug (打印代码中logger.debug(xx)的信息)> info(打印代码中logger.info(xx)的信息) log4j.rootLogger = info , C , D , E ### console ### log4j.appender.C = org.apache.log4j.ConsoleAppender log4j.appender.C.Target = System.out log4j.appender.C.layout = org.apache.log4j.PatternLayout log4j.appender.C.layout.ConversionPattern = [xmut-lgrg][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### log file ### log4j.appender.D = org.apache.log4j.DailyRollingFileAppender log4j.appender.D.File =logs/xmut-lgrg.log(保存到logs下的文件夹) log4j.appender.D.Append = true log4j.appender.D.Threshold = INFO(info级别) log4j.appender.D.layout = org.apache.log4j.PatternLayout log4j.appender.D.layout.ConversionPattern = [xmut-lgrg][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### exception ### log4j.appender.E = org.apache.log4j.DailyRollingFileAppender log4j.appender.E.File = ../logs/xmut-lgrg_error.log log4j.appender.E.Append = true log4j.appender.E.Threshold = ERROR log4j.appender.E.layout = org.apache.log4j.PatternLayout log4j.appender.E.layout.ConversionPattern = [xmut-lgrg][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n