log4j.xml配置，输出SQL语句

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/doc-files/log4j.dtd">
<log4j:configuration>
		<!-- 定义默认目的地 -->
	 <appender name="default" class="org.apache.log4j.ConsoleAppender">
			<param name="target" value="System.out" />
			<layout class="org.apache.log4j.PatternLayout">
				<param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} [%t] %-5p [%c-%L] - %m%n" />
			</layout>
		</appender>	
			<!--定义文件目的地-->
		<appender name="File" class="org.apache.log4j.RollingFileAppender">
			<param name="File" value="/log.log" />
			<param name="MaxFileSize" value="1024KB" />
			<param name="MaxBackupIndex" value="5" />
			<layout class="org.apache.log4j.PatternLayout">
				<param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} [%t] %-5p [%c-%L] - %m%n" />
			</layout>
		</appender>  
	
		<!-- 配置日志记录器 -->
		<logger name="com.test.system.dao">
			<level value="trace" />
		</logger>
		
		<!-- 配置根日志记录器-->
	<!-- -->	<root>
			<level value="error" />
			<appender-ref ref="default" />
		</root> 
		 
</log4j:configuration>