请教Controller跟Service里@AllArgsConstructor 注解作用

睁眼就困 剑者 2019-11-25 11:41

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  admin (最佳回答者)

  2019-11-25 20:12

  百度一下你就知道

  

  作者追问:2019-11-25 20:12

  更新问题了.我知道这个注解,但是一般给实体对象用.从来没有给service/controller用,难道后面还有用到service跟controller的全参构造函数?
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  睁眼就困

  2019-11-28 17:01

  常用的自动装配注解@Autowired @RequiredArgsConstructor @AllArgsConstructor

  https://blog.csdn.net/fwk19840301/article/details/91430905

  利用Lombok编写优雅的spring依赖注入代码,去掉繁人的@Autowired

  https://blog.csdn.net/Tybyqi/article/details/82872183

  
  

  Field injection is not recommended 依赖注入方式

  https://blog.csdn.net/github_38222176/article/details/79506392

  Constructor Injection in Spring with Lombok

  https://www.baeldung.com/spring-injection-lombok

  评论部分:

  Slava Semushin

  I don’t understand why the examples use @AllArgsConstructor while they actually should use @RequiredArgsConstructor. With the current approach, if you add another non-final member, code will be broken. However with @RequiredArgsConstructor it will continue to work.

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  2 years ago

  
  

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  Grzegorz Piwowarek

  Well, it depends. I rarely use non-final fields and if I add one by mistake I’d love to be punished by a compiler and reminded that I did something wrong
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