log4j的Appenders配置方法

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

  <!-- Appenders -->
  <appender name="console" class="org.apache.log4j.ConsoleAppender">
    <param name="Target" value="System.out" />
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="%-5p: %c - %m%n" />
    </layout>
  </appender>
  
  <!-- Application Loggers -->
  <logger name="com.shanshan.test">
    <level value="info" />
  </logger>
  
  <!-- 3rdparty Loggers -->
  <logger name="org.springframework.core">
    <level value="info" />
  </logger>
  
  <logger name="org.springframework.beans">
    <level value="info" />
  </logger>
  
  <logger name="org.springframework.context">
    <level value="info" />
  </logger>

  <logger name="org.springframework.web">
    <level value="info" />
  </logger>

  <!-- Root Logger -->
  <root>
    <priority value="warn" />
    <appender-ref ref="console" />
  </root>
  
</log4j:configuration>