Log4j打印日志

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一、所需jar包

二、log4j.properties

##-------- 程序运行错误log4j.additivity.application.error=falselog4j.logger.application.error=debug, apperrorlog4j.appender.apperror=org.apache.log4j.RollingFileAppenderlog4j.appender.apperror.File=d:/scsis-pad/logs/sc.pad.app.error.loglog4j.appender.apperror.MaxFileSize=4192KBlog4j.appender.apperror.MaxBackupIndex=100log4j.appender.apperror.layout=org.apache.log4j.PatternLayoutlog4j.appender.apperror.layout.ConversionPattern=[%d]%c(%F:%L)%n%-5p:%m##-------- 数据库错误log4j.additivity.database.error=falselog4j.logger.database.error=debug, dberrorlog4j.appender.dberror=org.apache.log4j.RollingFileAppenderlog4j.appender.dberror.File=d:/scsis-pad/logs/sc.pad.db.error.loglog4j.appender.dberror.MaxFileSize=4192KBlog4j.appender.dberror.MaxBackupIndex=100log4j.appender.dberror.layout=org.apache.log4j.PatternLayoutlog4j.appender.dberror.layout.ConversionPattern=[%d]%c(%F:%L)%n%-5p:%n%m%n##-------- 用户操作记录log4j.additivity.trace=falselog4j.logger.trace=debug, tracelog4j.appender.trace=org.apache.log4j.RollingFileAppenderlog4j.appender.trace.File=d:/scsis-pad/logs/sc.pad.operation.loglog4j.appender.trace.MaxFileSize=4192KBlog4j.appender.trace.MaxBackupIndex=100log4j.appender.trace.layout=org.apache.log4j.PatternLayoutlog4j.appender.trace.layout.ConversionPattern=[%d]%c(%F:%L)%n%m%n##--------- 控制台记录log4j.rootCategory=INFO,consolelog4j.appender.console=org.apache.log4j.ConsoleAppenderlog4j.appender.console.layout=org.apache.log4j.PatternLayoutlog4j.appender.console.layout.ConversionPattern=%d [%t] %-5p %c %x - %m%n

三、调用

import org.apache.log4j.Logger;Logger.getLogger("trace").info("-------------------------------用户操作记录 LOG4J日志-------------------------");Logger.getLogger("database.error").info("-------------------------------数据库错误 LOG4J日志-------------------------");Logger.getLogger("application.error").info("-------------------------------程序运行错误 LOG4J日志-------------------------");Logger.getLogger(类名.class).info("-------------------------------控制台 LOG4J日志-------------------------");

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