Log4j the Appender of all classes under the package

Log4j.properties

#指定某个包下的所以类调用指定的appender
Log4j.logger.com.coderdream.log4j=debug,appender1
Log4j.logger.com.coderdream.log4jdao=info,appender1,appender2
#输出到控制台
Log4j.appender.appender1=org.apache.log4j.consoleappender
#设置输出样式
Log4j.appender.appender1.layout=org.apache.log4j.patternlayout
#自定义样式
#%r Time 0
#%t Method Name Main
#%p Priority Debug/info/error
# The full name of the class to which the%c belongs (including the package name)
# where the%l takes place, in a row of a class
#%M The messages specified in the output code, such as the message in log
#%n output a newline symbol
LOG4J.APPENDER.APPENDER1.LAYOUT.CONVERSIONPATTERN=[%D{YY/MM/DD Hh:mm:ss:sss}][%c-%m]%m%n
#输出到文件 (default here is append)
Log4j.appender.appender2=org.apache.log4j.fileappender
#设置文件输出路径
# "1" text file
Log4j.appender.appender2.file=c:/w/t.log
#是否追加
#log4j. Appender.appender2.append=false
#设置文件输出样式
Log4j.appender.appender2.layout=org.apache.log4j.patternlayout
LOG4J.APPENDER.APPENDER2.LAYOUT.CONVERSIONPATTERN=[%D{HH:MM:SS:SSS}][%C-%M]-%m%n

Hellolog4j.java


package com.coderdream.log4j;

Import Org.apache.commons.logging.Log;
Import org.apache.commons.logging.LogFactory;
Import Org.apache.log4j.Logger;

Import Test. TestLog1;

public class Hellolog4j {

	   private static Log  Logger=logfactory.getlog (hellolog4j.class);

	/**
	 * @param args
	 *
	/public static void main (string[] args) {
		//System.out.println ("This is println m Essage. ");
		if (logger.isdebugenabled ()) {
		//log debug level information
		logger.debug ("This is debug message.");
		}
		Record info level information
		if (logger.isinfoenabled ()) {
			Logger.info ("This is info.");
		}
		Record Error level information
		if (logger.iserrorenabled ()) {
			Logger.error ("This is error message.");}
		
		
	}

Package Com.coderdream.log4jDao;

Import Org.apache.log4j.Logger;

public class Hellodao {
	private static Logger Logger = Logger.getlogger (hellodao.class);

	/**
	 * @param args
	 *
	/public static void main (string[] args) {

		//logging Debug level information
		if ( Logger.isdebugenabled ()) {
			Logger.debug ("This is the debug message from Dao. Ah big");
		}

		Record info level information
		if (logger.isinfoenabled ()) {
			Logger.info ("This is info messages from Dao. Ada");
		}

		Log information for the error level
		Logger.error ("This is error message from Dao.");
	}