单向一对一外键关联annotationl配置-优快云博客

本文详细解析了Java持久化类的定义、属性、注解使用及与关系数据库的映射关系，通过具体代码实例展示了如何实现对象与数据库表之间的对应，以及对象属性与表字段的一一对应关系。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

po类Husband

package com.hibernate.demo.po;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
@Entity
public class Husband {
	private int id;
	private String name;
	private Wife wife;
	@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;
	}
	@OneToOne
	@JoinColumn(name="wife_id")
	public Wife getWife() {
		return wife;
	}
	public void setWife(Wife wife) {
		this.wife = wife;
	}
	
	
}

po类Wife

package com.hibernate.demo.po;

import javax.persistence.Entity;
import javax.persistence.Id;

@Entity
public class Wife {
	private int id;
	private String name;
	@Id
	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;
	}
}

测试代码

package com.hibernate.demo.po;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.junit.Test;

public class HibernateMapping {
	private static SessionFactory sf = null;
	
//	@BeforeClass
	public static void beforeClass(){
		sf = new AnnotationConfiguration().configure().buildSessionFactory(); 
	}
	
	@Test
	public void testSchemaExport(){
		new SchemaExport(new AnnotationConfiguration().configure()).create(true, false);
	}
	
//	@AfterClass
	public static void afterClass(){
		sf.close();
	}
}