java - Hibernate Spring 注解混淆

Question

我对 S.H. Annotation 感到困惑。这是我的代码我的第一个类:

@Entity
@Table(name="player")
public class Player implements Serializable
{
    @Id
    @Column(name="id_player")
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private int id;
    private String name;
    private String pseudo;
}

还有我的第二堂课:

@Entity
@Table(name="team")
public class Team implements Serializable
{
    @Id
    @Column(name="id_team")
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private int id;
    private String name;
    @OneToMany(fetch = FetchType.LAZY, mappedBy = "player")
    private Set<Player> players = new HashSet<Player>();
}

它抛出异常:

mappedBy reference an unknown target entity property: Player.Team in Team.players

我在这些类中有 getter 和 setter。我怎样才能让它发挥作用？谢谢!

Answer 1

将其添加到Player类中:

@ManyToOne(fetch = FetchType.LAZY)

private Team team;

并替换为Team类:

mappedBy = "player" ----> mappedBy = "team"