Question

hibernate注解如何配置自定义它的主键生成策略

@GenericGenerator(name = "生成器名称", strategy = "生成器类")

Answer 1

@Id
@GenericGenerator(name = "idGenerator", strategy = "assigned")
@GeneratedValue(generator = "idGenerator")

Answer 2

@Id
@GeneratedValue(strategy = IDENTITY)//自增长
@Column(name = "ID", unique = true, nullable = false)
public ID getId() {
// TODO Auto-generated method stub
return this.id;
}