createandstoreperson.java

Hibernate中的映射例子

package example.start.bag;

import java.util.ArrayList;
import java.util.List;

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

public class CreateAndStorePerson {
	public static void main(String[] args)
	 {
	  Session session = HibernateSessionFactory.getSession();
	  Transaction tx = session.beginTransaction();
	  
	  Person yeeku = new Person();
	  yeeku.setAge(22);
	  yeeku.setName("练习bag");  
	  
	  List s = new ArrayList();
	  s.add("数据结构bag");  
	  s.add("操作系统bag");
	    
	  yeeku.setClasses(s);
	    
	  session.save(yeeku);
	  tx.commit();
	  HibernateSessionFactory.closeSession();
	  //读取并打印到控制台
	  session = HibernateSessionFactory.getSession();
	  tx = session.beginTransaction();
	  yeeku=(Person)session.get(Person.class, 1);
	  System.out.println("name:"+yeeku.getName()+" age:"+yeeku.getAge());
	  for(int i=0;i<yeeku.getClasses().size();i++){
		  System.out.println(yeeku.getClasses().get(i).toString());
	  }
	  tx.commit();
	  HibernateSessionFactory.closeSession();
	 }

}