reguserdao.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.Us;

public class RegUserDao extends HibernateDaoSupport{
	private String hql = "from Us u where u.account_no=?";
	
	
	protected void initDao() {	
	}
	
	public boolean ifexist(String userid){
		List ret = null;
		try{
			ret = this.getHibernateTemplate().find(hql,userid);	
	
			
		}
          catch(Exception e){
			
			return true;
		}
		
		if(ret.size() > 0 )
			return true;
		else
			return false;
	}
	
	public boolean RegUser(Us u){
		try{
			this.getHibernateTemplate().save(u);
		}catch(Exception e){
			
			return false;
		}
		return true;
	}
}