你需要使用ArrayList或List来完成这件事。第一件事是通过传递id将用户的详细信息获取到ArrayList或列表。...
1.关联的任何一端都没有标记为@JsonIgnore,所以JSON序列化失败,如果spring.jpa.open-in-view是true,...
没有@OneToMany关联的连接表。所以我们可以使用SONG表更简单地删除歌曲(这是@OneToMany连接表不方便的主要...
在使用 JavaScript 中的对象时,你可能会遇到需要从对象中完全删除属性的情况。为实现这一点可以有好几...
1.关联的任何一端都没有标记为@JsonIgnore,所以JSON序列化失败,如果spring.jpa.open-in-view是true,...
jar文件似乎已损坏。尝试从.m2\repository和mvn clean install中删除内容 或 右键单击您的项目,选择Maven...
This sounds very much like a Hibernate issue, since all the JPA mapping is done by it. I recommend creating a reproducer based purely on Hibernate and submitting an issue with them. If you think this is actually a Spring Data issue, please provide a reproducer for the issue including a te...
The bidirectional association requires the child entity mapping to provide a@ManyToOneannotation, which isresponsible for controlling the association. On the other hand, the unidirectional@OneToManyassociation is simpler since it’s just the parent-side that defines the relationship. In this article, I...
I am using map-struct to convert my DAO to bean facing stack-overflow error due to recursive cycle, I have try implementing CycleAvoidingMappingContext (solution provide in git hub page) but still facing the same issue. below is the code...
Spring Data JDBC反向OneToMany导航 Spring Data JDBC是Spring框架提供的一种数据访问方式,它通过简化JDBC的使用,使开发人员能够更加方便地与关系型数据库进行交互。在Spring Data JDBC中,反向OneToMany导航是一种关系映射的方式,用于表示实体类之间的一对多关系。 具体来说,反向OneToMany导航是指在关系中,多的一方(被关联...