springmvc加载配置文件中的bean的方法

项目目录结构：

package com.spring.alick.util;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.mchange.v2.c3p0.ComboPooledDataSource;

/**

 * <p> Title(文件名): SpringUtil.java </p>

 * <p> Description(描述): TODO </p>

 * <p> Copyright(版权): Copyright (c) 2016 </p>

 * <p> CreateTime(生成日期)：2016年6月23日上午9:28:23 </p>

 * @version DemoSpring

 */

public class SpringUtil {

private static ApplicationContext context = new ClassPathXmlApplicationContext("classpath:conf/jdbc-spring.xml");

     

     public static Object getBean(String beanName){

       return context.getBean(beanName);

  } 

     

     public static void main(String[] args){

    ComboPooledDataSource source = (ComboPooledDataSource) SpringUtil.getBean("dataSource");

    System.out.println(source);

     }

}