log4j.rootLogger=DEBUG,CONSOLE,ROLLING_FILE
DEBUG,CONSOLE,FILE,ROLLING_FILE,MAIL,DATABASE
log4j.addivity.org.apache=true
###################
# Console Appender
###################
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.logger.org.hibernate.SQL=DEBUG
log4j.appender.Threshold=DEBUG
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[tklmobileplatform] %d - %c -%-4r [%t] %-5p %c %x - %m%n
log4j.appender.CONSOLE.layout.ConversionPattern=[start]%d{DATE}[DATE]%n%p[PRIORITY]%n%x[NDC]%n%t[THREAD] n%c[CATEGORY]%n%m[MESSAGE]%n%n
#####################
# File Appender
#####################
#log4j.appender.FILE=org.apache.log4j.FileAppender
#log4j.appender.FILE.File=file.log
#log4j.appender.FILE.Append=false
#log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
#log4j.appender.FILE.layout.ConversionPattern=[lian] %d - %c -%-4r [%t] %-5p %c %x - %m%n
# Use this layout for LogFactor 5 analysis
########################
# Rolling File
########################
log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender
log4j.appender.ROLLING_FILE.Threshold=DEBUG
log4j.appender.ROLLING_FILE.File=${webapp.root}/tklmobileplatform.log
log4j.appender.ROLLING_FILE.Append=true
log4j.appender.ROLLING_FILE.MaxFileSize=1000KB
log4j.appender.ROLLING_FILE.MaxBackupIndex=1
log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLING_FILE.layout.ConversionPattern=[ejunnet] %d - %c -%-4r [%t] %-5p %c %x - %m%n
########################
# JDBC Appender
#######################
log4j.appender.DATABASE=org.apache.log4j.jdbc.JDBCAppender
log4j.appender.DATABASE.URL=jdbc:mysql://localhost:3306/tklpf_db
log4j.appender.DATABASE.driver=com.mysql.jdbc.Driver
log4j.appender.DATABASE.user=root
log4j.appender.DATABASE.password=root
log4j.appender.DATABASE.Threshold=DEBUG
log4j.appender.DATABASE.sql=log4j.appender.DATABASE.sql=INSERT INTO log(optime,thread,infolevel,class,message) VALUES ('%d', '%t', '%p', '%l', '%m')
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
http://blog.csdn.net/ziruobing/archive/2009/02/22/3919501.aspx
看看这篇，你就会了
你把日志文件读到数据库中有什么用，显示在控制台上不行吗。
哦，我只知道把log4j配置到控制台上然后查看信息，那样也很方便，不过帮顶了等待高手。
看看这个：
http://hi.baidu.com/%D1%A6%B9%A6%CF%B2/blog/item/2ef1d53f304a163571cf6c50.html