小编Ger*_*rki的帖子

我只是无法使用Hibernate将我的两个类映射到SQL表之间的关系.

角色类:

@Entity
@Table(name = "role")
public class Role {
    @Id 
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name="id")
    private int id;

    @Column(name="name")
    private String name;

    @OneToMany(mappedBy="memberinfo")
    private Set<Memberinfo> members;

    ...
}

和Memberinfo类:

@Entity
@Table(name = "memberinfo")
public class Memberinfo {

    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name="id", nullable = false)
    private int id;

    @Column(name = "userid", nullable = false)
    private String userid;

    @Column(name = "email", nullable = false)
    private String email;

    @Column(name = "password", nullable = false)
    private String password;

    @Column(name = "salt", nullable = …