spring配置数据源

数据源配置如下：
<!-- 连接数据源 -->

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
		destroy-method="close">
		<property name="driverClass" value="com.mysql.jdbc.Driver" />
		<property name="jdbcUrl" value="jdbc:mysql://127.0.0.1/mydatabase" />
		<property name="user" value="root" />
		<property name="password" value="123" />
		<property name="maxPoolSize" value="40" />
		<property name="minPoolSize" value="1" />
		<property name="initialPoolSize" value="1" />
		<property name="maxIdleTime" value="20" />
	</bean>

<!-- hibernate映射文件 -->

<bean id="seId"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource">
			<ref bean="dataSource" />
		</property>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.dialect">
					org.hibernate.dialect.MySQLDialect
				</prop>
			</props>
		</property>
		<property name="mappingResources">
			<list>
				<value>com/Newtable.hbm.xml</value>
			</list>
		</property>
	</bean>