Spring Bean的获取方法

Cscccccon

于 2022-08-28 17:50:43 发布

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文章标签： spring java 前端

本文链接：https://blog.youkuaiyun.com/Cscprx/article/details/126572282

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@Component
public class SpringJobBeanFactory implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringJobBeanFactory.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(Class<T> name) throws BeansException {
        if (applicationContext == null){
            return null;
        }
        return (T)applicationContext.getBean(name);
    }
}