log4j详解

<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> 
    
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/' > 
    
    <appender name="myConsole" class="org.apache.log4j.ConsoleAppender"> 
        <layout class="org.apache.log4j.PatternLayout"> 
            <param name="ConversionPattern"    
                value="[%d{dd HH:mm:ss,SSS\} %-5p] [%t] %c{2\} - %m%n" /> 
        </layout> 
        <!--过滤器设置输出的级别--> 
        <filter class="org.apache.log4j.varia.LevelRangeFilter"> 
            <param name="levelMin" value="debug" /> 
            <param name="levelMax" value="warn" /> 
            <param name="AcceptOnMatch" value="true" /> 
        </filter> 
    </appender> 
 
    <appender name="myFile" class="org.apache.log4j.RollingFileAppender">    
        <param name="File" value="D:/output.log" /><!-- 设置日志输出文件名 --> 
        <!-- 设置是否在重新启动服务时，在原有日志的基础添加新日志 --> 
        <param name="Append" value="true" /> 
        <param name="MaxBackupIndex" value="10" /> 
        <layout class="org.apache.log4j.PatternLayout"> 
            <param name="ConversionPattern" value="%p (%c:%L)- %m%n" /> 
        </layout> 
    </appender> 
   
    <appender name="activexAppender" class="org.apache.log4j.DailyRollingFileAppender"> 
        <param name="File" value="E:/activex.log" />   
        <param name="DatePattern" value="'.'yyyy-MM-dd'.log'" />   
        <layout class="org.apache.log4j.PatternLayout"> 
         <param name="ConversionPattern"   
            value="[%d{MMdd HH:mm:ss SSS\} %-5p] [%t] %c{3\} - %m%n" /> 
        </layout>   
    </appender> 
    
    <!-- 指定logger的设置，additivity指示是否遵循缺省的继承机制--> 
    <logger name="com.runway.bssp.activeXdemo" additivity="false"> 
        <priority value ="info"/>   
        <appender-ref ref="activexAppender" />   
    </logger> 
 
    <!-- 根logger的设置--> 
    <root> 
        <priority value ="debug"/> 
        <appender-ref ref="myConsole"/> 
        <appender-ref ref="myFile"/>    
    </root> 
</log4j:configuration>