14.hibernate 一对一component(结合),jpa映射
14.hibernate 一对一component(组合),jpa映射
只存在一个表:
husband表结构:

只存在一个表:
husband表结构:
package com.bjsxt.hibernate; import javax.persistence.Embedded; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.JoinColumns; 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 String getName() { return name; } @Embedded 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; public class Wife { private String wifeName; private int age; public int getAge() { return age; } public void setAge(int age) { this.age = age; } public String getWifeName() { return wifeName; } public void setWifeName(String name) { this.wifeName = name; } }