12.hibernate一对一双向主键关联,jpa映射

最新推荐文章于 2020-11-18 16:02:15 发布

原创最新推荐文章于 2020-11-18 16:02:15 发布 · 132 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#hibernate #一对一 #双向主键关联 #jpa映射

hibernate 专栏收录该内容

22 篇文章

订阅专栏

本文详细介绍了使用Hibernate框架实现的Husband和Wife实体类的映射关系，包括类结构、属性定义以及一对一关联关系的实现方式。

husband表结构:
[img]http://dl.iteye.com/upload/attachment/592515/86178b16-ae58-3f62-8dc1-e5b32e0d018e.jpg[/img]
wife表结构:
[img]http://dl.iteye.com/upload/attachment/592517/43601158-5c3c-34d4-aaf3-dacae75c5771.jpg[/img]


package com.bjsxt.hibernate;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.PrimaryKeyJoinColumn;

@Entity
public class Husband {
	private int id;
	private String name;
	private Wife wife;
	@Id
	@GeneratedValue
	public int getId() {
		return id;
	}

	public String getName() {
		return name;
	}
	@OneToOne
	@PrimaryKeyJoinColumn
	public Wife getWife() {
		return wife;
	}
	public void setId(int id) {
		this.id = id;
	}
	public void setName(String name) {
		this.name = name;
	}
	public void setWife(Wife wife) {
		this.wife = wife;
	}

}


package com.bjsxt.hibernate;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.PrimaryKeyJoinColumn;

@Entity
public class Wife {
	private int id;
	private String name;
	private Husband husband;
	@OneToOne
	@PrimaryKeyJoinColumn
	public Husband getHusband() {
		return husband;
	}
	public void setHusband(Husband husband) {
		this.husband = husband;
	}
	@Id
	@GeneratedValue
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}

}