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  • log4j

    1.log4j参考网址见:http://www.codeceo.com/article/log4j-usage.html
    2.log4j.properties的简单配置:

    ### 设置###
    log4j.rootLogger = debug,stdout,D,E

    ### 输出信息到控制抬 ###
    log4j.appender.stdout = org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.Target = System.out
    log4j.appender.stdout.Threshold=info
    log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

    ### 输出DEBUG 级别以上的日志到=E://logs/log.log ###
    log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
    log4j.appender.D.File = E://logs/log.log
    log4j.appender.D.Append = false
    log4j.appender.D.Threshold = DEBUG
    log4j.appender.D.layout = org.apache.log4j.PatternLayout
    log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n

    ### 输出ERROR 级别以上的日志到=E://logs/error.log ###
    log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
    log4j.appender.E.File =E://logs/error.log
    log4j.appender.E.Append = false
    log4j.appender.E.Threshold = ERROR
    log4j.appender.E.layout = org.apache.log4j.PatternLayout
    log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm

    3.log4j所依赖的jar包:

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  • 原文地址:https://www.cnblogs.com/lipengsheng-javaweb/p/11440249.html
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