获取Spring的bean两种方式

1. 通过加载xml配置文件


ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
CLS_BO_XXXXX boXXXXX = (CLS_BO_XXXXX) context.getBean("boxxxxx ");

2. 实现ApplicationContextAware接口
1)新增工具类实现ApplicationContextAware接口,如MyApplicationContextUtil.java

public class MyApplicationContextUtil implements ApplicationContextAware {
	private static ApplicationContext context;//声明一个静态变量保存 

	public void setApplicationContext(ApplicationContext contex) throws BeansException {
		MyApplicationContextUtil.context = contex;
	}
	
	public static ApplicationContext getContext() {
		return MyApplicationContextUtil.context;
	}
}

2)在applicationContext.xml中注入

  <bean id="myApplicationContextUtil" class="com.tiandy.util.MyApplicationContextUtil" />

3)调用getBean

  ApplicationContext context = MyApplicationContextUtil.getContext();
  CLS_BO_XXXXX boXXXXX = (CLS_BO_XXXXX) context.getBean("boxxxxx ");

发布了20 篇原创文章 · 获赞 32 · 访问量 5596

猜你喜欢

转载自blog.csdn.net/shuai8624/article/details/98726982