ibatis配置log4j输出sql语句等日志信息

<?xml version="1.0" encoding="UTF-8"?>  
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">  
  
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>  
  
    <appender class="org.apache.log4j.ConsoleAppender" name="console">  
        <layout class="org.apache.log4j.PatternLayout">  
            <param name="ConversionPattern"  
                value="%d %-5p [%t] %-17c{2} (%13F:%L) %3x - %m%n" />  
            <!-- param name="ConversionPattern"  
                value="=%d %-5p [%t] %-17c{2} (%13F:%L) %3x - %m%n" /-->  
        </layout>  
    </appender>  
    <appender class="org.apache.log4j.RollingFileAppender"  
        name="file">  
        <param name="File" value="MengBackup.log" />  
        <param name="MaxFileSize" value="100KB" />  
        <param name="MaxBackupIndex" value="2" />  
        <layout class="org.apache.log4j.PatternLayout">  
            <param name="ConversionPattern"  
                value="=%d %-5p [%t] %-17c{2} (%13F:%L) %3x - %m%n" />  
        </layout>  
    </appender>  
      
    <logger name="com.ibatis">  
        <level value="debug" />  
    </logger>  
      
    <logger name="com.ibatis.common.jdbc.SimpleDataSource">  
        <level value="debug" />  
    </logger>  
      
    <logger name="com.ibatis.common.jdbc.ScriptRunner">  
        <level value="debug" />  
    </logger>  
      
    <logger name="com.ibatis.common.jdbc.SqlMapClientDelegate">  
        <level value="debug" />  
    </logger>  
      
    <logger name="java.sql.Connection">  
        <level value="debug" />  
    </logger>  
      
    <logger name="java.sql.Statement">  
        <level value="debug" />  
    </logger>  
      
    <logger name="java.sql.PreparedStatement">  
        <level value="debug" />  
    </logger>  
      
    <logger name="java.sql.ResultSet">  
        <level value="debug" />  
    </logger>  
      
    <root>  
        <priority value="DEBUG" />  
        <appender-ref ref="console" />  
        <appender-ref ref="file" />  
    </root>  
</log4j:configuration>