modifydao.java

jsp+struct网上订票系统

package dao;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import orm.Us;


public class ModifyDao extends HibernateDaoSupport {
	private String hql = "from Us u where u.account_no=? and u.password=?";
private static final Log log = LogFactory.getLog(ModifyDao.class);
	
	protected void initDao() {
	
	}
		
	public boolean Isexist(String userid, String password){
		String[] userlist = new String[2];
		userlist[0] = userid;
		userlist[1] = password;
		
		List ret = null;
   
		try{
			ret=this.getHibernateTemplate().find(hql,userlist);
	             
		           
		}catch(Exception e){
	        log.error(e.getMessage());
	        return false;
		}
		
		if(ret.size()> 0)
			return true;
		else
			return false;
	}
	public boolean updatepwd(Long obj,String s)
	{
		try
		{   
			Us u = (Us)this.getHibernateTemplate().load(Us.class,obj);
			u.setPassword(s);
			this.getHibernateTemplate().update(u);
		}
		catch(Exception e){
	        log.error(e.getMessage());
	        return false;
		}
		return true;
		
	}
	
}