bean获取Spring容器

Person.java

 1 public class Person implements ApplicationContextAware{
 2 
 3     private String name;
 4     private int age;
 5     private doHomeWork dohomework;
 6     private ApplicationContext ctx;
 7     /*
 8      * Spring容器会检测容器中所有的Bean，如果发现某个Bean实现了ApplicationContextAware接口，
 9      * Spring容器会在创建该Bean之后，自动调用该方法，调用该方法时，会将容器本身作为参数传给该方法。
10      * */
11     @Override
12     public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
13         this.ctx = applicationContext;
14     }
15     public ApplicationContext getApplicationContext() {
16         return this.ctx;
17     }
18 }

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