log4j简单的使用

package com.donghai.log4j;

import org.apache.log4j.Logger;

public class LogTest {

    private static Logger logger = Logger.getLogger(LogTest.class);
    
    public static void main(String[] args){
        logger.info("logger---------info");
        logger.error("logger---------error");
        logger.warn("logger---------warn");
        logger.debug("logger---------debug");
    }
}