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