### jar ``` 先引入DBCP的2个jar包 com.springsource.org.apache.commons.dbcp-1.2.2.osgi.jar com.springsource.org.apache.commons.pool-1.5.3.jar ``` ``` 如果是maven环境，需要填写GAV坐标 编写配置文件 <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql:///spring "/> <property name="username" value="root"/> <property name="password" value="root"/> </bean> ```