hibernate（一对多关系）

代码

 

public class Main {

public static void main(String[] args) {

SessionFactory sty = HibernateUtil.getSessionFactory();

Session se=sty.openSession();
Transaction tr = se.beginTransaction();

ClassInfo cla = new ClassInfo();
Student stu = new Student();
Student stu1 = new Student();

cla.setCid("101");
cla.setCmc("321");
cla.setCkh("哈哈");//班级口号

stu.setSid("2");
stu.setSname("李红慢");
stu.setAge(18);

stu1.setSid("3");
stu1.setSname("吴");
stu1.setAge(18);

Set set = new HashSet();
set.add(stu);
set.add(stu1);
//Student 关联 Class
cla.setStu(set);

//保存
se.save(cla);
se.save(stu);
se.save(stu1);

tr.commit();
se.close();
}
}

映射文件

运行结果