Log

    org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar
org\slf4j\slf4j-log4j12\1.7.25\slf4j-log4j12-1.7.25.jar
            log4j\log4j\1.2.17\log4j-1.2.17.jar

log4j.rootLogger=info, stdout
#log4j.rootLogger=info, logfile

### console \u65E5\u5FD7 ###
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 = %d %p [%c %L] - %m%n

log4j.appender.logfile=org.apache.log4j.FileAppender
log4j.appender.logfile.File=tmp/aidfs.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern= %d %p [%c %L] - %m%n

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class LineSeparator {
    private static Logger logger = LoggerFactory.getLogger(LineSeparator.class);
    public static void main(String[] args) {
        logger.info("{}, {}, {}", true, 1, "lin");
    }
}