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log4j替换成logback

下载以下的jar包：

slf4j-api.jar
logback-core.jar
logback-classic.jar
log4j-over-slf4j.jar
jcl104-over-slf4j.jar

然后删去commons-logging.jar和log4j.jar包

再把log4j.properties替换成logback.xml文件

<?xml version="1.0" encoding="UTF-8"?>

<configuration>

 <substitutionProperty name="logbase" value="WEB-INF/logs/" />

  <!-- 控制台输出日志的配置 -->
  <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
    <layout class="ch.qos.logback.classic.PatternLayout">
      <Pattern>%d %p [%c] - &lt; %m &gt; %n</Pattern>
    </layout>
  </appender>
  
  <!-- 日志文件输出日志的配置 -->
  <appender name="logfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <!--See http://logback.qos.ch/manual/appenders.html#RollingFileAppender-->
    <!--and http://logback.qos.ch/manual/appenders.html#TimeBasedRollingPolicy-->
    <!--for further documentation--> 
    
    <File>${logbase}springx.log</File>
    
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">   
         <FileNamePattern>${logbase}q.log.%i.zip</FileNamePattern>   
         <MinIndex>1</MinIndex>   
         <MaxIndex>3</MaxIndex>   
    </rollingPolicy> 
    
    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">   
       <MaxFileSize>5MB</MaxFileSize>   
    </triggeringPolicy>     
    
    <layout class="ch.qos.logback.classic.PatternLayout">
      <Pattern>%d %p [%c] - &lt; %m &gt; %n</Pattern>
    </layout>
    
  </appender>
 
  <logger name="org.springframework" level="ERROR"/>
  <logger name="net.sf.ehcache" level="ERROR"/>
  <logger name="org.springframework.security" level="ERROR"/>
  <logger name="org.hibernate" level="ERROR"/>
  
  <root level="ERROR" >
   <!--  <appender-ref ref="console"/> -->
    <appender-ref ref="logfile"/>
  </root>
  
</configuration>

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