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...
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@yeah.net * ...
import javax.persistence.OneToOne; @Entity public class Users { private int id; private String level; private String title; private Customer customer; @OneToOne @JoinColumn(name="customer___tables") //这里的JoinColumn定义为外键的名称,都是以one一方为基准 public Customer getCustomer() { return c...
Example 1: One-to-one association that maps a foreign key column // On Customer class: @OneToOne(optional=false) @JoinColumn( name="CUSTREC_ID", unique=true, nullable=false, updatable=false) public CustomerRecord getCustomerRecord() { return customerRecord; } // On CustomerRecord class: ...
Today we will look into One To Many Mapping in Hibernate. We will look into Hibernate One To Many Mapping example using Annotation and XML configuration. One To Many Mapping in Hibernate In simple terms, one to many mapping means that one row in a table can be mapped to multiple rows in...
<1>Annotation Methods Settings @Entity @Table("t_husband") public class Husband{ private int id; private String name; private Wife wife; /* * get set ... */ @Id @GeneratedValue public int getId(){ return id; } @OneToOne public Wife getWife(){ ...
In other words, we don’t need to provide the SQL statements to create the various tables and relationships between the entities. So let’s move on to creating the Hibernate example project. 3.2. Maven Dependencies Let’s start by adding the Hibernate and H2 driver dependencies to our pom....
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 {...
import com.onetoone.models.Phone; public interface PhoneRepository extends JpaRepository<Phone, Long> { } 7-创建PhoneController package com.onetoone.controllers; import java.util.Optional; import org.springframework.beans.factory.annotation.Autowired; ...
Hibernate One to Many Annotation Tutorial In this tutorial we'll have a look at the one-to-many mapping using JPA annotations with a practical example. Read more→ 2. Description Let’s suppose we are building a user management system, and our boss asks us to store a mailing address for...