连接池

<!-- 使用apache的commons-dbcp数据源 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
		<property name="url" value="jdbc:mysql://localhost:3306/dotjar" />
		<property name="username" value="root" />
		<property name="password" value="1234" />
	</bean>

 commons-dbcp.jar
commons-pool.jar

 

 <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://localhost:3306/dotjar" />  
        <property name="user" value="root" />  
        <property name="password" value="1234" />  
    </bean> 

 C3P0.jar