Hibernate中ManytoMany中save（）方法的问题

2011-09-15 08:01:40 158 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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	@Test

	public void testInsertTeacher() {

		Student s = new Student();

		s.setAge(20);

		

		Student s1 = new Student();

		s1.setAge(22);

		

		Teacher t = new Teacher();

		t.setName("Xue");

		

		Teacher t2 = new Teacher();

		t2.setName("Han");

		

		t.getStudents().add(s);

		t.getStudents().add(s1);

		t2.getStudents().add(s);

		

		Session session = sf.getCurrentSession();

		session.beginTransaction();

     	session.save(t);

     	session.save(t2);

		session.getTransaction().commit();

	}

	

	

	@Test

	public void testInsertStudent() {   //Something wrong with this method

		Student s = new Student();

		s.setAge(20);

		

		Student s1 = new Student();

		s1.setAge(22);

		

		Teacher t = new Teacher();

		t.setName("Xue");

		

		Teacher t2 = new Teacher();

		t2.setName("Han");

		

		s.getTeachers().add(t);

		s1.getTeachers().add(t2);

		

		Session session = sf.getCurrentSession();

		session.beginTransaction();

		session.save(s);

		session.getTransaction().commit();

	}