spring+mybatis配置文件打印sql语句

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
	<property name="dataSource" ref="dataSource" />
	<!-- 自动扫描mapping.xml文件 -->
	<property name="mapperLocations" value="classpath:com/zghm/bhzg/mapping/*Mapper.xml"></property>
	<property name="plugins">
	    <array>
	      <bean class="com.github.pagehelper.PageHelper">
	      	<property name="properties">
	          <value>
	            dialect=oracle
		        reasonable=true
		        pageSizeZero=true
	          </value>
	        </property>
	      </bean>
	    </array>
	</property>
	<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>

<property name="configLocation" value="classpath:mybatis-config.xml"></property>

<property name="plugins">
    <array>
      <bean class="com.github.pagehelper.PageHelper">
      	<property name="properties">
          <value>
            dialect=oracle
	        reasonable=true
	        pageSizeZero=true
          </value>
        </property>
      </bean>
    </array>
</property>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>  
    <settings>  
        <setting name="logImpl" value="LOG4J"/>  
    </settings>  
</configuration>

# Global logging configuration
log4j.rootLogger=ERROR, stdout
# MyBatis logging configuration...
log4j.logger.org.mybatis.example.BlogMapper=TRACE
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n