@Entity
@Table(name="t_Group")
public class Group {
private int id;
private String name;
private List<Users>list=new ArrayList<Users>();
@Id
@GeneratedValue
public int getId() {
return id;
}
@OneToMany(mappedBy="group",
cascade={CascadeType.ALL}
)
@OrderBy("name ASC")//这里的orderby没什么用啊。根本不排序啊。
public List<Users> getList() {
return list;
}
}
@Entity
public class Users {
private int id;
private String name;
private Group group;
@Id
@GeneratedValue
public int getId() {
return id;
}
@ManyToOne(cascade={CascadeType.ALL}
)
public Group getGroup() {
return group;
}
}
@Test
public void save(){
Users users1=new Users();
users1.setName("a");
Users users2=new Users();
users2.setName("c");
Users users3=new Users();
users3.setName("b");
Users users4=new Users();
users4.setName("d");
Group g=new Group();
users1.setGroup(g);
users2.setGroup(g);
users3.setGroup(g);
users4.setGroup(g);
g.setName("A");
g.getList().add(users1);
g.getList().add(users2);
g.getList().add(users3);
g.getList().add(users4);
for(Users u:g.getList()){
System.out.println(u.getName());
//控制台输出 a,c,b,d根本没排序啊。
}
Configuration con= new AnnotationConfiguration();
SessionFactory sf=con.configure().buildSessionFactory();
Session session=sf.getCurrentSession();
session.beginTransaction();
session.save(g);
session.getTransaction().commit();
sf.close();
}
哪里写错了。
