jpa 数据库id自增 数据库别名
id自增
@GeneratedValue(strategy= GenerationType.IDENTITY)
@Id
private Integer id;数据库别名
@Column(name = "department_name")
private String name; id自增
@GeneratedValue(strategy= GenerationType.IDENTITY)
@Id
private Integer id;数据库别名
@Column(name = "department_name")
private String name;