JPA 实体继承关系

JPA实体继承的映射_痴人说梦-CSDN博客_jpa 继承

JPA 主键索引注解

import lombok.Data;//这个注解是下载了lombok插件,简化get/set方法
import javax.persistence.*;

@Data
@Entity
@Table(name = "TB_STUDENT",indexes = {@Index(name = "TSGS_CODE",columnList = "code")})//索引  name值不能相同,否则无法创建索引
public class GoodsStockDo {
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;
  private String code;
  private String name;
  private Integer age; 

}

JPA @Enumerated 注解映射枚举字段

JPA注解@Enumerated映射枚举字段

JPA 复合主键、联合主键定义

springboot jpa 复合主键 联合主键