12.hibernate一对一双向主键关联,jpa映射
husband表结构:
wife表结构:
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;@Entitypublic class Wife {private int id;private String name;private Husband husband;@OneToOne@PrimaryKeyJoinColumnpublic Husband getHusband() {return husband;}public void setHusband(Husband husband) {this.husband = husband;}@Id@GeneratedValuepublic 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;}}