hibernate实体类验证及连表

1. BigDecimal
       :public static final BigDecimal MONEY_YZSP = BigDecimal.valueOf(99999999);

2. @NotNull

   @NotBlank

   @Digits(integer=10, fraction=2, message = "金额格式错误（请保留2为小数）")
@DecimalMin(value = "0.01",message = "金额不能小于0.01元")

   @JsonIgnore
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "CONTRACT_CLASSFIY_ID", insertable = false, updatable = false)

   @JsonIgnore
@OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.REMOVE)
@JoinColumn(name = "CONTRACT_ID",insertable = false, updatable = false)
private List<ContractReview> reviews;

   @JsonIgnore
@OneToMany(fetch = FetchType.LAZY,cascade = CascadeType.DETACH)
@JoinColumn(name = "CONTRACT_CLASSFIY_ID", insertable = false, updatable = false)
private List<Contract> contractList;

   //搜索用开始时间
@Transient
private Date startTime;

   if(ObjectUtils.isEmpty(department)|| StringUtils.isEmpty(department.getDepName()))
   import org.springframework.util.ObjectUtils;
   import org.springframework.util.StringUtils;

3.   @Entity
   @Table(name = "t_user")
   @Comment(value="用户表")
   public class User implements Serializable{
   private static final long serialVersionUID = 1L;

   @Column(nullable = false, name = "USER_ID", length = 20, unique = true, columnDefinition = "varchar(20) COMMENT '列中文名:用户ID'")

   @Excel(name = "姓名")

@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "t_user_role", joinColumns = {@JoinColumn(name = "USER_ID", columnDefinition = "int COMMENT '列中文名:用户Id,列注释:用户表主键'")}, inverseJoinColumns = {
@JoinColumn(name = "ROLE_ID", columnDefinition = "int COMMENT '列中文名:角色Id,列注释:角色表主键'")})
@Excel(name = "角色")
private List<Role> roleList;// 一个用户具有多个角色

@JsonBackReference
@ManyToOne(targetEntity = Department.class,fetch = FetchType.LAZY)
@JoinColumn(name = "depId", insertable = false, updatable = false)
@NotFound(action=NotFoundAction.IGNORE)
private Department dep;

来源：CSDN

作者：qq1225095213

链接：https://blog.csdn.net/qq_37769323/article/details/103983348

标签

实体类

hibernate