使用及配置commons-logging log4j的步骤

commons-logging.properties

org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger

log4j.properties

log4j.rootLogger=info, A1

log4j.appender.A1=org.apache.log4j.FileAppender

log4j.appender.A1.File=log/strutsAppLog.log

log4j.appender.A1.layout=org.apache.log4j.PatternLayout

log4j.appender.A1.layout.ConversionPattern=%d [%t] %-5p %c %x [%F:%L] - %m%n

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

/**

*

* @author dinstone

* @date 2006/09/04

* @since JDK 1.4 Struts 1.2

* @see

*/

public class LogTest

{

private static Log log = LogFactory.getLog(LogTest.class);

public static void main(String[] args)

{

System.out.println("start");

log.debug("debug");

log.error("error");

log.fatal("fatal");

log.info("info");

log.warn("warn");

System.out.println("end");

}

}

log/strutsAppLog.log

2006-09-04 13:51:16,062 [main] ERROR test.LogTest [LogTest.java:25] - error

2006-09-04 13:51:16,062 [main] FATAL test.LogTest [LogTest.java:26] - fatal

2006-09-04 13:51:16,062 [main] INFO test.LogTest [LogTest.java:27] - info

2006-09-04 13:51:16,062 [main] WARN test.LogTest [LogTest.java:28] - warn

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