开发工厂工具类

ApplicationContextUtils

@Component
public class ApplicationContextUtils implements ApplicationContextAware {
    private static ApplicationContext context;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.context = applicationContext;
    }
    //根据bean名字获取工厂中指定的bean对象
    public static Object getBean(String beanName){
        return context.getBean(beanName);
    }
}