获取spring容器，以访问容器中定义的其他bean

package com.ihappylife.spring.context;

import org.springframework.beans.BeansException;

import org.springframework.context.ApplicationContext;

import org.springframework.context.ApplicationContextAware;

import org.springframework.context.support.ClassPathXmlApplicationContext;

/**

* 获取spring容器，以访问容器中定义的其他bean

*/

public class SpringContextUtil implements ApplicationContextAware {

// Spring应用上下文环境

private static ApplicationContext applicationContext;

/**

* 实现ApplicationContextAware接口的回调方法，设置上下文环境

*/

public void setApplicationContext(ApplicationContext applicationContext)throws BeansException {

SpringContextUtil.applicationContext = applicationContext;

}

public static ApplicationContext getApplicationContext() {

return applicationContext;

}

/**

* 获取对象

* 这里重写了bean方法，起主要作用

* @param name

* @return Object 一个以所给名字注册的bean的实例

* @throws BeansException

*/

public static Object getBean(String beanId) throws BeansException {

if(applicationContext==null){

applicationContext = new ClassPathXmlApplicationContext("classpath:applicationContext-*.xml");

}

return applicationContext.getBean(beanId);

}

}

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