Hibernate annotation 一对一的两种实现: 1)幅表中有主表的主键ID做为引用 2)幅表的主键即为主表的ID hibernate.cfg.xml <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-conf...
Test.java packagecom.fancy.test;importorg.hibernate.Session;importorg.hibernate.SessionFactory;importorg.hibernate.cfg.AnnotationConfiguration;importorg.hibernate.cfg.Configuration;importcom.fancy.po.Card;importcom.fancy.po.Person;/*** --- * @文件: Test.java * @作者: fancy * @邮箱: fancyzero@yea...
hibernate annotation 双向 one-to-one 注解 环境:Hibernate 3.3.1 Maven 3.0.4 MySQL 5.5.13 Myeclipse 8.6.1 建表语句:DROP TABLE IF EXISTS `t_card`;CREATE TABLE `t_card` ( `cardId` int(10) unsigned NOT NULL AUTO_INCREMENT, `cardNumber` char(18) NOT NULL, PRIMARY KEY...
package com.hibernate_onetoonepk; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.AnnotationConfiguration; public class Test { //测试 public static void main(String[] args) { AnnotationConfiguration af = new AnnotationConfiguration(); SessionFactory sf = af...
OneToOne annotation 双向关联 package com.hibernate.entity; import java.io.Serializable; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.OneToOne; @Entity public class Husband implements Serializable {...
第一句说的就是你的 @OneToOne or @ManyToOne出了问题,说明你的配置文件出了问题,一对多或者多队一的关系没有设置正确,你可以去看看配置文件的设置,第二你可以去看一下你的实体类的BeanFactory的引用是否正确。这两个改了之后你再试试。
Hibernate Annotation是Hibernate框架的一个扩展,它允许开发者直接在Java类和属性上使用注解(Annotations),来定义实体类与数据库表之间的映射关系。相比于XML配置,注解提供了一种更加内聚和直接的方式,使得... Hibernate Annotation入门 而Hibernate Annotation是Hibernate的一个重要特性,它通过在Java类和字段上添加注解来简...
基于外键映射的一对一关联关系是Hibernate中常见的关系映射之一。在这种映射中,两个实体类之间存在一个一...
41.@OneToOne and @PrimaryKeyJoinColumn mapping usageforum.hibernate.org Hibernate version: 3.2.4.sp1 Hibernate annotation version: 3.3.0.ga Hibernate entity manager version: 3.3.1.ga Database: Oracle 10g Hi, I've been trying to do a one-to-one relationship using the same primary key. It...
代码示例来源:origin: hibernate/hibernate-orm privatestaticStringgetMappedByFromAnnotation(CtFieldpersistentField){ OneToOneoto=PersistentAttributesHelper.getAnnotation(persistentField,OneToOne.class); if(oto!=null){ returnoto.mappedBy(); } OneToManyotm=PersistentAttributesHelper.getAnnotation(persistentField,On...