Hibernate-----一對一唯一外部索引鍵關聯映射（註解）

標籤：唯一外鍵   hibernate   註解   一對一關聯映射   

雙向關聯映射：

One（‘Many’）

import javax.persistence.Column;import javax.persistence.Entity;import javax.persistence.FetchType;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;import javax.persistence.JoinColumn;import javax.persistence.OneToOne;@Entitypublic class Person implements java.io.Serializable {    private Integer id;    private String name;     private IdCard idCard;     @Id    @GeneratedValue(strategy = GenerationType.AUTO)    public Integer getId() {       return id;    }     public void setId(Integer id) {       this.id = id;    }     @Column(name = "person_name")    public String getName() {       return name;    }     @OneToOne(fetch = FetchType.LAZY)    @JoinColumn(name = "idCard_id")    public void setName(String name) {        this.name = name;    }     public IdCard getIdCard() {       return idCard;    }     public void setIdCard(IdCard idCard) {       this.idCard = idCard;    }}

One（‘One’）

import javax.persistence.Column;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.OneToOne;import org.hibernate.annotations.GenericGenerator;@Entitypublic class IdCard implements java.io.Serializable {    private Integer id;    private String name;     private Person person;     @Id    @GeneratedValue(generator = "TeacherGenerator")    @GenericGenerator(name = "TeacherGenerator", strategy = "native")    public Integer getId() {       return id;    }     public void setId(Integer id) {       this.id = id;    }     @Column(name = "name", nullable = false, length = 32)    public String getName() {       return name;    }     public void setName(String name) {       this.name = name;    }     @OneToOne(mappedBy = "idCard")    public Person getPerson() {       return person;    }     public void setPerson(Person person) {       this.person = person;    } }

Hibernate-----一對一唯一外部索引鍵關聯映射（註解）