jpa表映射实体

jpa 定义实体（和数据库表和字段映射）

@Entity
@Table(
    name = "nb"
)
@DynamicInsert
@DynamicUpdate
public class Nb {
    @Id
    @GeneratedValue(
            strategy = GenerationType.IDENTITY
    )
    @JoinColumn(
            name = "NB_ID",
            unique = true
    )
    private Integer nbId;
    @Column(
            name = "IMEL"
    )
    private String imei;
    @Column(
            name ="DEVICE_ID"
    )
    private String deviceId;
    @Column(
            name ="METER_UID"
    )
    private String meterUid;
    @Column(
            name ="CREATE_TIME"
    )
    @Temporal(TemporalType.TIMESTAMP)
    @JsonSerialize(
            using = JsonDateTimeSerializer.class
    )
    private Date createTime = new Date();
    public NB(){}
}

来源：oschina

链接：https://my.oschina.net/shenGuangYue/blog/4280623