本文详细介绍了log4j.properties配置文件的设置方法，包括如何配置rootLogger、appender和layout，以及如何通过类特定级别调整日志记录级别。
log4j.properties配置文件
# Set root logger level to DEBUG and its only appender to A1.
# ALL, DEBUG, INFO, WARN, ERROR, FATAL, OFF
log4j.rootLogger = INFO, stdout
# A1 is set to be a ConsoleAppender.
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %d{yy-MM-dd hh:mm:ss} %p %c - %m%n
# class specific levels
jar包见附件
log4j学习手册见附件
# Set root logger level to DEBUG and its only appender to A1.
# ALL, DEBUG, INFO, WARN, ERROR, FATAL, OFF
log4j.rootLogger = INFO, stdout
# A1 is set to be a ConsoleAppender.
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %d{yy-MM-dd hh:mm:ss} %p %c - %m%n
# class specific levels
jar包见附件
log4j学习手册见附件
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