1.spring配置文件

<bean id="configproperties" 
         class="org.springframework.beans.factory.config.PropertiesFactoryBean">
          <property name="location" value="classpath:jdbc.properties"/>
    </bean>

 2.读取属性方法

ApplicationContext c=new ClassPathXmlApplicationContext("classpath:applicationContext-datasource.xml");
Properties p=(Properties)c.getBean("configproperties");
System.out.println(p.getProperty("jdbcOrcale.driverClassName"));