{ AnyEntity newEntity; AnyEntity nonAttachedEntity; AnyEntity attachedEntity; // Create a new entity and persist it newEntity = new AnyEntity(); em.persist(newEntity); // Save 1 to the database at next flush newEntity.setValue(1); // Create a new entity with the same Id than the ...
1.持久化对象异常如下图所示:javax.persistence.PersistenceException:org.hibernate.PersistentObjectException:detachedentitypassedTOpersist:com.java.bean.Student 看不清楚图片,可以另存为图片,在本地查看。 2. 原因 因为在实体类中设置了 Springboot 项目由STS迁移到Intellij的问题 ...