简单配置一下log4j:
jar包:
下载解压log4j.jar(地址:http://mirrors.hust.edu.cn/apache/logging/log4j/2.11.0/)
语法:
log4j.rootLogger = [ level ] , appenderName, appenderName, …
具体代码:
# log4j.rootLogger=WARN, stdout, file
log4j.rootLogger=DEBUG, stdout, file
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%n%-d{yyyy-MM-dd HH:mm:ss}%n[%p]-[Thread: %t]-[%C.%M()]: %m%n
# Output to the File
log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.DatePattern='_'yyyy-MM-dd'.log'
log4j.appender.file.File=./jfinal_demo.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%n%-d{yyyy-MM-dd HH:mm:ss}%n[%p]-[Thread: %t]-[%C.%M()]: %m%n
结果:
具体信息:
https://blog.csdn.net/sunny_na/article/details/55212029