accountdao.java

是Eclipse web开发从入门到精通的源码

package com.REP.DAO;

import java.util.ArrayList;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Expression;

import com.REP.DAO.base.BaseAccountDAO;
import com.REP.bean.Account;


public class AccountDAO extends BaseAccountDAO implements com.REP.DAO.iface.IAccountDAO {

	public AccountDAO () {}
	
	public AccountDAO (Session session) {
		super(session);
	}
    //重写了BaseAccountDAO的findFiletered()方法，用于查找符合条件的记录
    protected Criteria findFiltered (Session s, String propName, Object filter) {
        Criteria crit = s.createCriteria(getReferenceClass());
        crit.add(Expression.eq(propName, filter));
        return crit;
    }
    //根据帐户名称获得帐户
    public Account getAccountbyName(String name) {
        List list = new ArrayList();
        //获得帐户列表
        list = findFiltered(getSession(),"LoginName",name).list();
        //如果列表非空，获得帐户，并返回
        if(!list.isEmpty()){
            Account account =(Account)list.iterator().next();
            closeCurrentSession();
            return account;
        }else{
            closeCurrentSession();
            return null;
        }
        
      
    }


}