Spring HATEOAS - 两个相同的链接 [英] Spring HATEOAS - two same links

问题描述

最近我一直在用 Spring Data 做一些项目，用 HATEOAS 做一些项目.

lately I've been doing some projekt with Spring Data and Rest with HATEOAS.

我的问题是，在实体链接部分，我有 2 个相同的链接是否正常?

My question is, is it normal, that in entity links secion, I have 2 same links?

这里是存储库:

存储库

推荐答案

是的.但情况并非总是如此:用户"链接实际上是一个模板化链接，在某些情况下会得到丰富.

Yes it is. But it's not always the case: the 'user' link is actually a templated link that gets enriched in certain cases.

例如，您是否应该定义以下 投影:

For instance, should you define the following projection:

@Projection(name = "summary", types = { User.class }) 
interface Summary { 

  String getUsername(); 
  String getEmail();

}

然后 user 链接将显示投影参数:

then the user link would show the projection parameter:

...
"_links" : {
  "self" : {
    "href" : "http://localhost:8080/users/1"
  },
  "user" : {
    "href" : "http://localhost:8080/users/1{?projection}"
    "templated" : true
  }

您可以通过 GETting http://localhost:8080/users/1?projection=summary 来获取用户 1 的摘要.

And you could be able to get a summary of user 1 by GETting http://localhost:8080/users/1?projection=summary.

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