方式一:实现 ApplicationContextAware 接口或继承其子类
注意加入容器@Component 包扫描
@Component
public class ApplicationContextUtils implements ApplicationContextAware {
private static ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException {
ApplicationContextUtils.applicationContext=applicationContext;
}
public static Object getBean(String beanName){
return applicationContext.getBean(beanName);
}
}
方式二:直接注入
@Resource
private ApplicationContext applicationContext;