administratordaoimpl.java

ums系统给予struts尔编写的用户管理系统

package dao.impl;

import java.util.Iterator;
import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;

import util.HibernateCallback;
import util.HibernateDao;
import dao.AdministratorDao;
import entity.Administrator;

public class AdministratorDaoImpl extends HibernateDao implements
		AdministratorDao {

	public Administrator select(final String username, final String password) {
		return (Administrator) hibernateTemplate.execute(new HibernateCallback(){

			public Object execute(Session session) {
						String hql="select ad from Adminiztrator ad";
						hql+="where ad.username=:username";
						hql+="and ad.password=:password";
						Query query=session.createQuery(hql);
						query.setString("username", username);
						query.setString("password", password);
						List admins=query.list();
						Iterator it=admins.iterator();
						if(it.hasNext()){
							return it.next();
							}
						return null;
					}
					
				});
	}

}