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>