log4j 多个日志文件

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log4j.rootLogger=INFO,stdout, root , A, B  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{ABSOLUTE} %5p %c{1}:%L - %m%n    log4j.appender.root=org.apache.log4j.DailyRollingFileAppender  log4j.appender.root.Append=true  log4j.appender.root.DatePattern='.'yyyy-MM-dd  log4j.appender.root.File=C:/logs/timer/timer.log  log4j.appender.root.Threshold=INFO  log4j.appender.root.layout=org.apache.log4j.PatternLayout  log4j.appender.root.layout.ConversionPattern=%d - %c [%t] %-5p %c %x %l - %m%n    log4j.logger.A=INFO, A  log4j.appender.A=org.apache.log4j.DailyRollingFileAppender  log4j.appender.A.Append=true  log4j.appender.A.DatePattern='.'yyyy-MM-dd  log4j.appender.A.File=C:/logs/A/a.log  log4j.appender.A.Threshold=INFO  log4j.appender.A.layout=org.apache.log4j.PatternLayout  log4j.appender.A.layout.ConversionPattern=%d - %c [%t] %-5p %c %x %l - %m%n  log4j.additivity.A=false    log4j.logger.B=INFO, B  log4j.appender.B=org.apache.log4j.DailyRollingFileAppender  log4j.appender.B.Append=true  log4j.appender.B.DatePattern='.'yyyy-MM-dd  log4j.appender.B.File=C:/logs/B/b.log  log4j.appender.B.Threshold=INFO  log4j.appender.B.layout=org.apache.log4j.PatternLayout  log4j.appender.B.layout.ConversionPattern=%d - %c [%t] %-5p %c %x %l - %m%n   log4j.additivity.B=false

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

import java.io.IOException;import org.apache.poi.openxml4j.exceptions.InvalidFormatException;import org.slf4j.Logger;import org.slf4j.impl.StaticLoggerBinder;public class Main {public static void main(String[] args) throws InvalidFormatException, IOException {Logger A = StaticLoggerBinder.getSingleton().getLoggerFactory().getLogger("A");   A.info("A ." ) ;A.info("A A.") ;Logger B = StaticLoggerBinder.getSingleton().getLoggerFactory().getLogger("B");   B.info("B ." ) ;B.info("B B.") ;Logger root = StaticLoggerBinder.getSingleton().getLoggerFactory().getLogger("root");   root.info("root ." ) ;root.info("root root.") ;}}

root 都打印

a ,b 各自打印

a.log2017-09-27 10:42:08,940 - A [main] INFO  A  Main.main(Main.java:13) - A .  2017-09-27 10:42:08,942 - A [main] INFO  A  Main.main(Main.java:14) - A A.  2017-09-27 10:42:08,943 - root [main] INFO  root  Main.main(Main.java:21) - root .  2017-09-27 10:42:08,943 - root [main] INFO  root  Main.main(Main.java:22) - root root.  b.log2017-09-27 10:42:08,942 - B [main] INFO  B  Main.main(Main.java:17) - B .   2017-09-27 10:42:08,943 - B [main] INFO  B  Main.main(Main.java:18) - B B.   2017-09-27 10:42:08,943 - root [main] INFO  root  Main.main(Main.java:21) - root .   2017-09-27 10:42:08,943 - root [main] INFO  root  Main.main(Main.java:22) - root root.

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