1.项目介绍
BI商业智能:数据可视化、报表可视化系统
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4)发布订阅
@Resource
是基于名称进行查找的,而Spring框架中更常用的@Autowired
则是基于类型进行查找的。如果找不到匹配的bean,@Autowired
会抛出异常,而@Resource
会在找不到bean时尝试使用无参构造器创建一个新的实例。- 如果同时存在多个相同类型的bean,
@Resource
可以通过名称来明确指定哪个bean应该被注入,而@Autowired
则需要结合@Qualifier
注解来指定。 @Resource
是Java EE提供的注解,因此它在Java EE环境中更为常见。在Spring框架中,@Autowired
通常是首选,但Spring也支持@Resource
注解。