maven 创建log4j

添加依赖包

        <dependency>
            <groupId>org.slf4jgroupId>
            <artifactId>slf4j-log4j12artifactId>
            <version>1.7.25version>
        dependency>
 
    
        <dependency>
            <groupId>javax.mailgroupId>
            <artifactId>mailartifactId>
            <version>1.4version>
        dependency>
        <dependency>
            <groupId>javax.activationgroupId>
            <artifactId>activationartifactId>
            <version>1.1version>
        dependency>
配置文件log4j.properties
log4j.rootLogger = INFO,DEBUG, console, infoFile, errorFile ,debugfile,mail   
LocationInfo=true      

log4j.appender.console = org.apache.log4j.ConsoleAppender    
log4j.appender.console.Target = System.out    
log4j.appender.console.layout = org.apache.log4j.PatternLayout   
##
log4j.appender.console.layout.ConversionPattern =[%d{yyyy-MM-dd HH:mm:ss,SSS}]-[%p]:%m   %x %n   

log4j.appender.infoFile = org.apache.log4j.DailyRollingFileAppender    
log4j.appender.infoFile.Threshold = INFO    
log4j.appender.infoFile.File = D:/logs/log   
log4j.appender.infoFile.DatePattern = '.'yyyy-MM-dd'.log'    
log4j.appender.infoFile.Append=true  
log4j.appender.infoFile.layout = org.apache.log4j.PatternLayout    
log4j.appender.infoFile.layout.ConversionPattern =[%d{yyyy-MM-dd HH:mm:ss,SSS}]-[%p]:%m  %x %n   

log4j.appender.errorFile = org.apache.log4j.DailyRollingFileAppender    
log4j.appender.errorFile.Threshold = ERROR    
log4j.appender.errorFile.File = D:/logs/error    
log4j.appender.errorFile.DatePattern = '.'yyyy-MM-dd'.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,SSS}]-[%p]:%m  %x %n  ##mail
#log4j.appender.mail=org.apache.log4j.net.SMTPAppender
#log4j.appender.mail.Threshold=ERROR
#log4j.appender.mail.BufferSize=1
#log4j.appender.mail.From [email protected]
#log4j.appender.mail.SMTPHost=mail.qq.com
#log4j.appender.mail.Subject=Log4J Message
#[email protected]
#log4j.appender.mail.SMTPUsername=123
#log4j.appender.mail.SMTPPassword=123456
#log4j.appender.mail.layout=org.apache.log4j.PatternLayout
#log4j.appender.mail.layout=org.apache.log4j.PatternLayout
log4j.appender.mail.layout.ConversionPattern=[%-5p] %d(%r) --> [%t] %l: %m %x %n
邮箱功能未验证

        日志功能测试类

package com.great.commonUtil;

import org.apache.log4j.Logger;

/**
 * log4j打印错误日志
 */
public class Log4jUtil {
    /**
     * 打印错误信息
     * @param object 获取对象
     * @param e 错误信息
     */
    public static void logError(Object object,Exception e){
        Logger logger = Logger.getLogger(object.getClass());
        logger.error("run error:",e);
    }

    public static void logInfo(Object object,Object message){
        Logger logger = Logger.getLogger(object.getClass());
        logger.info(message);
    }
}