log4j指定的接口输出到指定的目标

  spring-mvc.xml

<!-- extends HandlerInterceptorAdapter -->
	<mvc:interceptors>
	<bean class="com.snailteam.game.controller.TrackHandler"></bean>
	</mvc:interceptors>

package com.snailteam.game.controller;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
public class TrackHandler extends HandlerInterceptorAdapter {
	protected final Log logger = LogFactory.getLog(getClass());
	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		Map<String, String> header = new HashMap<String, String>();
		Enumeration<String> hs = request.getHeaderNames();
		while (hs.hasMoreElements()) {
			String h = hs.nextElement();
			header.put(h, request.getHeader(h));
		}
		logger.info(header);
		return super.preHandle(request, response, handler);
	}
}

log4j

# Rules reminder:  
# DEBUG < INFO < WARN < ERROR < FATAL  
  
# Global logging configuration  
log4j.rootLogger=DEBUG,INFO,ERROR,stdout,file  
  
## Console output...  
log4j.appender.stdout=org.apache.log4j.ConsoleAppender  
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout  
log4j.appender.stdout.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} - [ %p ] %l - %m%n  
log4j.appender.stdout.Encoding=UTF-8  
  
#     append to file Info  
log4j.appender.infoFile.Threshold=INFO  
log4j.appender.infoFile=org.apache.log4j.RollingFileAppender  
log4j.appender.infoFile=org.apache.log4j.DailyRollingFileAppender  
log4j.appender.infoFile.Encoding=UTF-8  
log4j.appender.infoFile.File=log/game.log  
log4j.appender.infoFile.DatePattern='_'yyyyMMdd'.log'  
log4j.appender.infoFile.layout=org.apache.log4j.PatternLayout  
log4j.appender.infoFile.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} - [ %p ] %l - %m%n  
  
  
#   append to file error  
log4j.appender.errorFile.Threshold=ERROR  
log4j.appender.errorFile=org.apache.log4j.RollingFileAppender  
log4j.appender.errorFile=org.apache.log4j.DailyRollingFileAppender  
log4j.appender.errorFile=org.apache.log4j.FileAppender  
log4j.appender.errorFile.File=log/game-error.log  
log4j.appender.errorFile.DatePattern='_'yyyyMMdd'.log'  
log4j.appender.errorFile.Append=true  
log4j.appender.errorFile.layout=org.apache.log4j.PatternLayout  
log4j.appender.errorFile.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} - [ %p ] %l - %m%n   

#log4j.logger.freemarker=debug  

log4j.appender.mongodb.layout=org.apache.log4j.PatternLayout
log4j.appender.mongodb.layout.ConversionPattern=%m%n 
log4j.appender.mongodb=org.log4mongo.MongoDbAppender 
log4j.appender.mongodb.databaseName=logdb
log4j.appender.mongodb.Append=true
log4j.appender.mongodb.collectionName=loginfo
log4j.appender.mongodb.hostname=192.168.1.246
log4j.appender.mongodb.port=9007
log4j.appender.mongodb.writeConcern=FSYNCED


  
#  com.snailteam.game.controller.TrackHandler >>> accessFile  
log4j.appender.accessFile=org.apache.log4j.RollingFileAppender  
log4j.appender.accessFile=org.apache.log4j.DailyRollingFileAppender  
log4j.appender.accessFile.Encoding=UTF-8  
log4j.appender.accessFile.File=log/accessFile.log  
log4j.appender.accessFile.DatePattern='_'yyyyMMdd'.log'  
log4j.appender.accessFile.layout=org.apache.log4j.PatternLayout  
log4j.appender.accessFile.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} - [ %p ] %l - %m%n  
log4j.additivity.com.snailteam.game.controller.TrackHandler=false  
log4j.logger.com.snailteam.game.controller.TrackHandler=debug,accessFile  
  
  
log4j.logger.org.springframework=debug  
log4j.logger.com.snailteam.game=info, infoFile,errorFile