大家看下我配的spring文件,提点建议

Question

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"><beans>
 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
      <property name="driverClass">
        <value>com.mysql.jdbc.Driver</value>
      </property>
      <property name="jdbcUrl">
        <value>jdbc:mysql://localhost:3306/new_log?characterEncoding=gbk</value>
      </property>
      <property name="properties">
        <props>
            <prop key="c3p0.minPoolSize">1</prop> 
            <prop key="hc3p0.maxPoolSize">10</prop> 
            <prop key="hc3p0.timeout">60</prop> 
            <prop key="c3p0.max_statement">50</prop> 
            <prop key="c3p0.testConnectionOnCheckout">true</prop> 
            <prop key="hibernate.c3p0.testConnectionOnCheckout">false</prop>
            <prop key="user">root</prop> 
            <prop key="password"></prop>
        </props>
      </property>
    </bean>
    
   <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" singleton="true">
        
       <property name="dataSource"><ref local="dataSource"/></property>
        
       <property name="mappingResources">
            <list>
                <value>jfw/pojo/Login.hbm.xml</value>
                <value>jfw/pojo/User.hbm.xml</value>
            </list>
        </property>
        
        <property name="hibernateProperties">
           <props>
             <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
             <prop key="hibernate.show_sql">true</prop>
           </props>
        </property>
        
    </bean>
    
    
    <!-- 事务 -->
    <bean id="transactionManager"
        class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory">
            <ref local="sessionFactory"/>
        </property>
    </bean>
    
    <bean id="baseProxy" lazy-init="true" abstract="true" 
    class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
        <property name="transactionManager">
            <ref bean="transactionManager"/>
        </property>
        
        <property name="transactionAttributes">
       <props>
         <prop key="*">PROPAGATION_REQUIRED</prop>
       </props>
     </property>
    </bean><!-- =========================================================================== -->

    <!-- 需要事务处理的配置 -->

    <bean id="LoginDao" parent="baseProxy">
        <property name="target">
            <bean class="jfw.dao.LoginDao" autowire="byName"/>
        </property>
    </bean>
    
    
    <!-- 不需要事务处理的配置 -->
    <!--
    <bean id="BaseDao" class="jfw.dao.BaseDao">
        <property name="sessionFactory">
            <ref bean="sessionFactory"/>
        </property>
    </bean>
    -->
    

</beans>