@Entity
@Table(name = "COURSE")
@JsonIgnoreProperties(ignoreUnknown = true)
public class BasePassengerStation implements Serializable {
......//其他属性，省略
//多表关联
@ManyToOne(fetch = FetchType.EAGER, cascade = { CascadeType.REFRESH }, optional = false)
@JoinColumn(name = "courseStudentId", referencedColumnName = "studentId", insertable = false, updatable = false)//相关联的两个表中管理字段名字不一致时，用referencedColumnName指定关联表的字段名
@NotFound(action = NotFoundAction.IGNORE)//如果属性值为某某的数据在数据库中不存在时，不让hibernage抛出异常，忽略该异常
private STUDENT student;
@Transient//属性为短暂的，不会持久化到数据库
private String rtBisOwnerInfoOwnerName;
......
}
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