createflightdao.java

jsp+struct网上订票系统

package dao;
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.Flight;

public class CreateFlightDao extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(LogUserDao.class);
 protected void intiDao()
 {
	 
 }
 public boolean ifexist(String flight_no){
		List ret = null;
		String hql="from Flight flight where flight.flight_no=?";
		try{
			ret = this.getHibernateTemplate().find(hql,flight_no);	
	  
			
		}
       catch(Exception e){
			
			return true;
		}
		
		if(ret.size() > 0 )
			return true;
		else
			return false;
	}
	public boolean saveFlight(Flight f){
		try{
			this.getHibernateTemplate().save(f);
		}catch(Exception e){
			log.error(e.getMessage());
			return false;
		}
		return true;
	}
}