Spring MVC 使用tomcat中配置的数据源

<Resource  
        name="jdbc/dbsourse"   
        scope="Shareable"   
        type="javax.sql.DataSource"  
        factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"  
        url="jdbc:oracle:thin:@172.16.200.9:1521:orcl"  
        driverClassName ="Oracle.jdbc.driver.OracleDrive"  
        username="username"  
        password="password"  
    />  

<ResourceLink global="jdbc/dbsourse" name="jdbc/dbsourse" type="javax.sql.DataSource" />

<bean id="dataSource"  name="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">   
        <property name="jndiName" value="java:comp/env/jdbc/dbsourse" />   
</bean>