testlog4j.java

Log4j日志记录

package examples.net.log4j;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.xml.DOMConfigurator;
     
public class TestLog4j {   
   
    public static void main(String[] args) {   
      //Get an instance of the myLogger   
      Logger myLogger = Logger.getLogger("myLogger");   
      
      //Get an instance of the childLogger   
      Logger mySonLogger = Logger.getLogger("myLogger.mySonLogger");   
      //Load the proerties using the PropertyConfigurator   
      PropertyConfigurator.configure("src/examples/net/log4j/log4j.properties"); 
      
//    读取XML形式的配置文件
//	  DOMConfigurator.configure("web/WEB-INF/log4j.xml");
   
      //Log Messages using the Parent Logger  
      //myLogger.setLevel(Level.ERROR);
      
      myLogger.debug("Thie is a log message from the " + myLogger.getName());   
      myLogger.info("Thie is a log message from the " + myLogger.getName());   
      myLogger.warn("Thie is a log message from the " +  myLogger.getName());   
      myLogger.error("Thie is a log message from the " + myLogger.getName());   
      myLogger.fatal("Thie is a log message from the " + myLogger.getName());   
   
      mySonLogger.debug("Thie is a log message from the " + mySonLogger.getName());   
      mySonLogger.info("Thie is a log message from the " + mySonLogger.getName());   
      mySonLogger.warn("Thie is a log message from the " +  mySonLogger.getName());   
      mySonLogger.error("Thie is a log message from the " + mySonLogger.getName());   
      mySonLogger.fatal("Thie is a log message from the " + mySonLogger.getName()); 
      
      mySonLogger.fatal("--------------------------------------------------------");
    }   
 }