博客

配置根

log4j.rootLogger = debug,console ,fileAppender,dailyRollingFile,ROLLING_FILE,MAIL,DATABASE

设置输出sql的级别，其中logger后面的内容全部为jar包中所包含的包名

log4j.logger.org.apache=dubug

log4j.logger.java.sql.Connection=dubug

log4j.logger.java.sql.Statement=dubug

log4j.logger.java.sql.PreparedStatement=dubug

log4j.logger.java.sql.ResultSet=dubug

配置输出到控制台

log4j.appender.console = org.apache.log4j.ConsoleAppender

log4j.appender.console.Target = System.out

log4j.appender.console.layout = org.apache.log4j.PatternLayout

log4j.appender.console.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{ 1 }:%L – %m%n

配置输出到文件

log4j.appender.fileAppender = org.apache.log4j.FileAppender

log4j.appender.fileAppender.File = logs/log.log

log4j.appender.fileAppender.Append = true

log4j.appender.fileAppender.Threshold = DEBUG

log4j.appender.fileAppender.layout = org.apache.log4j.PatternLayout

log4j.appender.fileAppender.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] – [ %p ] %m%n

配置输出到文件，并且每天都创建一个文件

log4j.appender.dailyRollingFile = org.apache.log4j.DailyRollingFileAppender

log4j.appender.dailyRollingFile.File = logs/log.log

log4j.appender.dailyRollingFile.Append = true

log4j.appender.dailyRollingFile.Threshold = DEBUG

log4j.appender.dailyRollingFile.layout = org.apache.log4j.PatternLayout

log4j.appender.dailyRollingFile.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] – [ %p ] %m%n

配置输出到文件，且大小到达指定尺寸的时候产生一个新的文件

log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender

log4j.appender.ROLLING_FILE.Threshold=ERROR

log4j.appender.ROLLING_FILE.File=rolling.log

log4j.appender.ROLLING_FILE.Append=true

log4j.appender.ROLLING_FILE.MaxFileSize=10KB

log4j.appender.ROLLING_FILE.MaxBackupIndex=1

log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout

log4j.appender.ROLLING_FILE.layout.ConversionPattern=[framework] %d – %c -%-4r [%t] %-5p %c %x – %m%n

配置输出到邮件

log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender

log4j.appender.MAIL.Threshold=FATAL

log4j.appender.MAIL.BufferSize=10

log4j.appender.MAIL.From=chenyl@yeqiangwei.com

log4j.appender.MAIL.SMTPHost=mail.hollycrm.com

log4j.appender.MAIL.Subject=Log4J Message

log4j.appender.MAIL.To=chenyl@yeqiangwei.com

log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout

log4j.appender.MAIL.layout.ConversionPattern=[framework] %d – %c -%-4r [%t] %-5p %c %x – %m%n

配置输出到数据库

log4j.appender.DATABASE=org.apache.log4j.jdbc.JDBCAppender

log4j.appender.DATABASE.URL=jdbc:mysql://localhost:3306/test

log4j.appender.DATABASE.driver=com.mysql.jdbc.Driver

log4j.appender.DATABASE.user=root

log4j.appender.DATABASE.password=

log4j.appender.DATABASE.sql=INSERT INTO LOG4J (Message) VALUES (’[framework] %d – %c -%-4r [%t] %-5p %c %x – %m%n’)

log4j.appender.DATABASE.layout=org.apache.log4j.PatternLayout

log4j.appender.DATABASE.layout.ConversionPattern=[framework] %d – %c -%-4r [%t] %-5p %c %x – %m%n

log4j.appender.A1=org.apache.log4j.DailyRollingFileAppender

log4j.appender.A1.File=SampleMessages.log4j

log4j.appender.A1.DatePattern=yyyyMMdd-HH’.log4j’

log4j.appender.A1.layout=org.apache.log4j.xml.XMLLayout

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原文链接：https://blog.csdn.net/sky274548769/article/details/89478437