testone2many.java

郭克华j2ee高级框架实战教学视频源代码 这个是比较值得一看的 由郭克华博士在总结多年Java培训的基础上

package test;
import java.util.HashSet;

import org.hibernate.Session;
import org.hibernate.Transaction;

import po.Banji;
import po.Student;


public class TestOne2Many {

	public static void main(String[] args) {
		Session session = util.HibernateSessionFactory.getSession();
		/*查询001班的所有学生
		Banji banji = (Banji)session.get(Banji.class, "001");
		System.out.println(banji.getRoom());		
		Set set = banji.getStudents();
		Iterator ite = set.iterator();
		while(ite.hasNext()){
			Student stu = (Student)ite.next();
			System.out.println(stu.getSname());
		}
		Transaction tran = session.beginTransaction();
		session.delete(banji);	//删除
		tran.commit();*/
		Student stu1 = new Student();
		stu1.setBid("001");	stu1.setSid("4567");	stu1.setSname("王五");
		Student stu2 = new Student();
		stu2.setBid("001");	stu2.setSid("789");	stu2.setSname("小花");
		
		HashSet students = new HashSet();
		students.add(stu1);	students.add(stu2);
		
		Banji banji = new Banji();
		banji.setBid("001");
		banji.setRoom("803");
		banji.setStudents(students);
		
		Transaction tran = session.beginTransaction();
		session.save(banji);
		tran.commit();
		
		util.HibernateSessionFactory.closeSession();//关闭
		
		
	}

}