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@Entity
@Table(name="book")
public class Book implements Serializable{
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private long id;
private String name;
@ManyToOne
@JoinColumn(name="book_id")
private BookStore bookStore;
public void service(){
Session session = sessionFactory.openSession();
session.beginTransaction();
String hql = "select b.bookStore from Book b";
Query query = session.createQuery(hql);
List list = query.list();
for(int i=0;i<list.size();i++){
// Book b = (Book) list.get(i);
// System.out.println(b.getId());
BookStore bs = (BookStore) list.get(i);
System.out.println(bs.getName());
}
session.getTransaction().commit();
session.close();
}
输出
新华书店
新华书店
新月书店
新月书店
新月书店
新月书店
新月书店