数据库的表有个parent_id字段,存的本表的id字段,
但是我页面显示需要再用这个id查询出本表对应id的name属性,
请问能否在实体类配置多对一来实现。
贴一下实体类代码(parent字段对应的数据库的parent_**id)
@Entity
@Table(name="t_department")
public class EmpBean implements java.io.Serializable{
private static final long serialVersionUID = 1L;
@Id
@GenericGenerator(name="idGenerator", strategy="uuid")
@GeneratedValue(generator="idGenerator")
private String id;
private String department_num;
private String department_name;
private String abridge;
private String department_tel;
private String department_property;
private String department_duty_person;
private String department_duty;
@ManyToOne(fetch=FetchType.LAZY)
@JoinColumn(name="parent_id")
private EmpBean parent;
private Date create_date;