只打印IBatis的sql语句

<appender name="IBatis" class="org.apache.log4j.ConsoleAppender">
  <layout class="org.apache.log4j.PatternLayout">
  <param name="ConversionPattern" value="%-4r [%t] %-5p %c %x - %m%n" />
  </layout>
  <filter class="org.apache.log4j.varia.LevelRangeFilter">
<param name="LevelMin" value="DEBUG" />
<param name="LevelMax" value="DEBUG" />
</filter>
  </appender>
<logger name="com.ibatis" additivity="true">
<level value="DEBUG" />
</logger>

<logger name="java.sql.Connection" additivity="true">
<level value="DEBUG" />
</logger>

<logger name="java.sql.Statement" additivity="true">
<level value="DEBUG" />
</logger>

<logger name="java.sql.PreparedStatement" additivity="true">
<level value="DEBUG" />
<appender-ref ref="IBatis" />
</logger>

<logger name="java.sql.ResultSet" additivity="true">
<level value="DEBUG" />
<appender-ref ref="IBatis" />
</logger>