• src/main/resources/log4j.properties

内容示例：

### set log levels and 3 appenders ###

# Trace, Debug, Info, Warn, Error, Fatal#log4j.rootLogger = DEBUG, stdout, D, E### stdout ###log4j.appender.stdout = org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target = System.outlog4j.appender.stdout.layout = org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%t] [%p] [%F:%L] %m%n### D ###log4j.appender.D = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.D.File = debug.log## Debug file name ##log4j.appender.D.Append = truelog4j.appender.D.Threshold = DEBUG ## 输出DEBUG级别以上的日志log4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern= %-d{yyyy-MM-dd HH:mm:ss} [%t] [%p] [%F:%L] %m%n### E ###log4j.appender.E = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.E.File = error.log log4j.appender.E.Append = truelog4j.appender.E.Threshold = ERROR ## 只输出ERROR级别以上的日志!!!log4j.appender.E.layout = org.apache.log4j.PatternLayoutlog4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%t] [%p] [%F:%L] %m%n

• pom.xml

<project

  ......

  <dependencies>

   ......

    <dependency>

      <groupId>log4j</groupId>

      <artifactId>log4j</artifactId>

      <version>1.2.17</version>    </dependency>

    ......

 </dependencies>

  <build>

   ......

    <resources>

     ......

      <resource>

         <!-- auto copy to target/classes e.g. log4j.properties -->

         <directory>src/main/resources</directory>

      </resource>    </resources>  </build></project>