<dependency>

        <groupId>log4j</groupId>

        <artifactId>log4j</artifactId>

        <version>1.2.12</version>

</dependency>

### 设置###

log4j.rootLogger = debug,stdout,D,E

### 输出信息到控制台 ###

log4j.appender.stdout = org.apache.log4j.ConsoleAppender

log4j.appender.stdout.Target = System.out

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

log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

### 输出DEBUG 级别以上的日志到日志文件 ###

log4j.appender.D = org.apache.log4j.DailyRollingFileAppender

log4j.appender.D.File = /home/duqi/logs/debug.log

log4j.appender.D.Append = true

log4j.appender.D.Threshold = DEBUG

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

log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

### 输出ERROR 级别以上的日志到日志文件 ###

log4j.appender.E = org.apache.log4j.DailyRollingFileAppender

log4j.appender.E.File =/home/admin/logs/error.log

log4j.appender.E.Append = true

log4j.appender.E.Threshold = ERROR

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

log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

log4j.logger.freemarker.cache=ERROR

log4j.logger.freemarker.beans=ERROR　　

import org.apache.log4j.*;

public class Demo {

    private static Logger logger = Logger.getLogger(vincent_player_framt.class);

    public static void main(String[] args) throws Exception {

        // debug级别的信息

        logger.debug("This is debug message.");

        // info级别的信息

        logger.info("This is info message.");

        // error级别的信息

        logger.error("This is error message.");

    }

}