Java 在HATEOAS\u嵌入式PagedResource中命名Spring页面键
我们目前正在最新的项目中实现一个API库。 我们正在尝试使用SpringHateoas和HAL作为适当的库来生成json HAL响应 使用Spring boot 1.2.5.RELEASE+提供的Spring HATEOAS版本。 目前,我们正在映射要作为资源返回的实际JPA实体 即,我们的实体如下所示:Java 在HATEOAS\u嵌入式PagedResource中命名Spring页面键,java,spring,spring-boot,spring-hateoas,Java,Spring,Spring Boot,Spring Hateoas,我们目前正在最新的项目中实现一个API库。 我们正在尝试使用SpringHateoas和HAL作为适当的库来生成json HAL响应 使用Spring boot 1.2.5.RELEASE+提供的Spring HATEOAS版本。 目前,我们正在映射要作为资源返回的实际JPA实体 即,我们的实体如下所示: import lombok.Getter; import lombok.Setter; @Getter @Setter @Entity @Table(name = "users") publ
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
@Entity
@Table(name = "users")
public class User {
@Id
private UUID id;
@Column(nullable = false, length = 70)
private String firstName;
@Column(nullable = false, length = 70)
private String lastName;
}
我们的存储库:
public interface UserRepository extends PagingAndSortingRepository<User, UUID>, JpaSpecificationExecutor<User> {
User findByUsername(String username);
}
据我所知,作者自己对这个问题的评论,找到的解决方案是将@Relation(collectionRelation=“users”)添加到User类中
...
@Table(name = "users")
@Relation(collectionRelation = "users")
public class User {
...
通过使用Spring HATEOAS包中的@关系解决了该问题。例如@Relation(collectionRelation=“users”)可以自由回答您自己的问题,并提供详细信息,使其对其他人有用!完美的对我来说,它是DTO类的一种符号。非常感谢。
@RestController
@RequestMapping(value = "/users", produces =MediaType.APPLICATION_JSON_VALUE) // this is done otherwise objectmapper returns xml for some reason
public UserRestController {
public UserService userService;
public EntityLinks entityLinks;
@Autowired
public UserRestController(UserService userService, EntityLinks entityLinks) {
this.userService = userService;
this.entityLinks = entityLinks;
}
@RequestMapping(method = RequestMethod.GET)
public PagedResource<Resource<User>> getUsers(Pageable pageable, PagedResourcesAssembler<User> pagedResourcesAssembler) {
Page<User> userPage = this.userService.findAll(pageable);
PagedResources<Resource<User>> userPagedResources =
pagedResourcesAssembler.toResource(
usersPage,
linkTo(methodOn(UserRestController.class).showUsers(pageable, pagedResourcesAssembler)).withSelfRel());
return userPagedResources;
}
}
{
"_links": {
"self": {
"href": "http://localhost:8080/users{?page,size,sort}",
"templated": true
},
"next": {
"href": "http://localhost:8080/users?page=1&size=1&sort=firstname,lastname,asc"
}
},
"_embedded": {
"userList": [{
"id": "2027bea9-cfdc-4724-b29c-39b3f64cbfd5",
"firstname": "admin",
"lastname": "asdf",
}]
},
"page": {
"size": 1,
"totalElements": 2,
"totalPages": 2,
"number": 0
}
}
{
"_links": {
"self": {
"href": "http://localhost:8080/users{?page,size,sort}",
"templated": true
},
"prev": {
"href": "http://localhost:8080/users?page=0&size=1&sort=firstname,lastname,asc"
}
},
"_embedded": {
"user_$$_jvst163_9List": [{
"id": "52c0c09e-c386-4aec-9723-f8beaf99adc5",
"username": "admin",,
"firstname": "firstname",
"lastname": "lastname"
}]
},
"page": {
"size": 1,
"totalElements": 2,
"totalPages": 2,
"number": 1
}
}
...
@Table(name = "users")
@Relation(collectionRelation = "users")
public class User {
...