eclipse如何使用log4j详解，你get了吗？？？

log4j.rootLogger&＃61;info, ServerDailyRollingFile, stdout
log4j.appender.ServerDailyRollingFile&＃61;org.apache.log4j.DailyRollingFileAppender
log4j.appender.ServerDailyRollingFile.DatePattern&＃61;&＃39;.&＃39;yyyy-MM-dd
log4j.appender.ServerDailyRollingFile.File&＃61;C://logs/notify-subscription.log
log4j.appender.ServerDailyRollingFile.layout&＃61;org.apache.log4j.PatternLayout
log4j.appender.ServerDailyRollingFile.layout.ConversionPattern&＃61;%d - %m%n
log4j.appender.ServerDailyRollingFile.Append&＃61;truelog4j.appender.stdout&＃61;org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout&＃61;org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern&＃61;%d{yyyy-MM-dd HH:mm:ss} %p [%c] %m%n

package test;import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;public class Test {public Test(){System.out.println("yes");System.out.println("我是");System.out.println("猪");System.out.println("我是猪");}static Logger logger&＃61;Logger.getLogger(Test.class);public static void main(String[] args) {//PropertyConfigurator.configure("log4j.properties");// Use the default configuration.//BasicConfigurator.configure();// Set the logger level to Level.INFO
logger.setLevel(Level.INFO);// This request will be disabled since Level.DEBUG logger.debug("This is debug.");// These requests will be enabled.logger.info("This is an info.");logger.warn("This is a warning.");logger.error("This is an error.");logger.fatal("This is a fatal error.");Test test&＃61;new Test();}}