获取spring上下文

问题：我们想在自己程序的任一地方获取由spring管理的bean

1)

public class BeanFactoryAnywhere implements BeanFactoryAware {public static  BeanFactory beanFactory;@Overridepublic void setBeanFactory(BeanFactory arg0) throws BeansException {BeanFactoryAnywhere.beanFactory=arg0;}}