数据库连接

<!-- 配置数据源 oracle-->
 <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
  <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"></property>
  <property name="url" value="jdbc:oracle:thin:@localhost:1521:orcl"></property>
  <property name="username" value="scott"></property>
  <property name="password" value="tiger"></property>
 </bean>
<!-- 配置数据源 Mysql-->
  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
   <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
   <property name="url" value="jdbc:mysql://localhost:3306/projectmgr"></property>
   <property name="username" value="root"></property>
   <property name="password" value="root"></property>
  </bean>