userinfobo.java

java网上订餐系统java网上订餐系统java网上订餐系统

package com.bo;

import java.util.ArrayList;

import com.dao.UserInfoDao;

public class UserInfoBo {
	private static UserInfoBo userInfoBo=null;
	private UserInfoDao userInfo = new UserInfoDao();
	private UserInfoBo(){}
	//用一个单例工厂
	public static UserInfoBo createUserInfoBo(){
		if(userInfoBo==null){
			userInfoBo = new UserInfoBo();
		}
		return userInfoBo;
	}
	//查询用户的信息
	public ArrayList selectUserInfo(){		
		return (ArrayList) userInfo.selectInfo();		
	}
}