spring4.x jdbcTemplate配置，事务配置

<!-- spring jdbcTemplate -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
	<property name="dataSource" ref="dataSource"></property>
</bean>

<!-- 事务管理器 -->
<bean id="txManager"
	class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
	<property name="dataSource" ref="dataSource" />
</bean>

<!-- 事物注解驱动 -->
<tx:annotation-driven transaction-manager="txManager" />

spring4.x dbcp，dbcp2连接池基本配置BasicDataSource
http://happyqing.iteye.com/blog/2304131

spring4.x c3p0连接池基本配置ComboPooledDataSource
http://happyqing.iteye.com/blog/2303239