maven依賴

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.25</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
 

            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.25</version>
        </dependency>

log4j.properties配置

log4j.rootLogger=DEBUG,CONSOLE,FILE
log4j.addivity.org.apache=true

# 應用於控制檯
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender
 
.CONSOLE.Threshold=INFO
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.Encoding=utf-8
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[msmk_fs] %d - %c -%-4r [%t] %-5p %c %x - %m%n

# 每天新建日誌
log4j.appender.A1=org.apache.log
 
4j.DailyRollingFileAppender
log4j.appender.A1.File=/home/xyh/fs/log
log4j.appender.A1.Encoding=GBK
log4j.appender.A1.Threshold=DEBUG
log4j.appender.A1.DatePattern='.'yyyy-MM-dd
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L : %m%n

#應用於檔案
log4j.appender.FILE=org.apache.log4j.FileAppender
log4j.appender.FILE.File=/home/xyh/fs/log/fs.log
log4j.appender.FILE.Append=true
log4j.appender.FILE.Encoding=utf-8
log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.FILE.layout.ConversionPattern=[msmk_fs] %-4r [%t] %-5p %c %x - %m%n

Java測試程式碼

package com.log;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class testLog {


    private final static Logger log = LoggerFactory.getLogger(testLog.class);


    public static void main(String[] args) {

        log.info("logback + slf4j starting up ...");
        log.error("測試error");

    }
}