voterdaoimpl.java

struts2 spring2.5 hibernate3.0 eclipse投票管理系统实例

package sunyang.vote.dao.impl;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import sunyang.vote.dao.VoterDao;
import sunyang.vote.domain.Voter;

public class VoterDaoImpl extends HibernateDaoSupport implements VoterDao {

	public void addVoter(Voter voter) {
		getHibernateTemplate().save(voter);
	}

	@SuppressWarnings("unchecked")
	public Voter findVoterByIp(String ip, Integer voteId) {
		Object param[] = { ip, new Integer(voteId) };
		String sql = "from Voter as voter where voter.ip=? and voter.voteId=?";
		List<Voter> list = getHibernateTemplate().find(sql, param);
		if (list != null && list.size() > 0) {
			return list.get(0);
		} else {
			return null;
		}
	}

}