10.hibernate一对一单向主键联系关系,jpa映射
10.hibernate一对一单向主键关联,jpa映射
husband表结构:

wife表结构:

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; @Entity public class Husband { private int id; private String name; private Wife wife; @Id @GenericGenerator(name = "pkGenerator", strategy = "foreign", parameters = { @Parameter(name = "property", value = "wife") }) @GeneratedValue(generator="pkGenerator") 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; @Entity public class Wife { private int id; private String name; @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; } }