超市会员管理系统

package com.bdqn;
/**
 * 会员类
 * @author Mr.zhang
 *
 */
public class Mamber {
    //姓名 卡号 密码 开卡日期 积分
    private String name;
    private int cardId;
    private String pwd;
    private int score;
    private double money;
    private String date;
    
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getCardId() {
        return cardId;
    }
    public void setCardId(int cardId) {
        this.cardId = cardId;
    }
    public String getPwd() {
        return pwd;
    }
    public void setPwd(String pwd) {
        this.pwd = pwd;
    }
    public double getMoney() {
        return money;
    }
    public void setMoney(double money) {
        this.money = money;
    }
    public int getScore() {
        return score;
    }
    public void setScore(int score) {
        this.score = score;
    }
    public String getDate() {
        return date;
    }
    public void setDate(String date) {
        this.date = date;
    }
    public Mamber(String name, int cardId, String pwd, int score, double money, String date) {
        super();
        this.name = name;
        this.cardId = cardId;
        this.pwd = pwd;
        this.score = score;
        this.money = money;
        this.date = date;
    }
    public Mamber() {
        super();
    }
    
    
    
    
    
    
}

package com.bdqn;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.InputMismatchException;
import java.util.Random;
import java.util.Scanner;
/**
 * 实现类
 * @author Mr.zhang
 *
 */
public class MamberDao{
    Scanner sc = new Scanner(System.in);
    ArrayList<Mamber> list = new ArrayList<Mamber>();

    //添加三个初始用户
    public void tj() {
        Mamber m1 = new Mamber("武大郎",11111111,"123456",100,100.0,"2016-01-01 12:25:30");
        Mamber m2 = new Mamber("潘金莲",22222222,"123456",100,150.0,"2016-01-02 13:25:30");
        Mamber m3 = new Mamber("西门庆",33333333,"123456",100,1000.0,"2016-01-03 14:25:30");
        
//        Mamber master = new Mamber();
//        master.setName("007");
//        master.setCardId(66666666);
//        master.setPwd("66666666");
        
        list.add(m1);
        list.add(m2);
        list.add(m3);
//        list.add(master);
        
    }
    //登录 开卡 退出
    public void begin1() {
        tj();
        boolean flag = true;
        do {
            System.out.println("**************欢迎进入超市会员管理系统**************");
            System.out.println("1.开卡	2.登录	3.退出");
            System.out.print("请选择：");    
            int choose = sc.nextInt();
            switch (choose) {
            case 1:
                //开卡
                getCard();
                break;
            case 2:
                //登录
                //判断是否为管理员
//                if(masterPanDuan()) {
//                    printAll();
//                    break;
//                }
                //普通登录
                if(register()) {
                    System.out.println("登录成功！");
                    start();
                }else {
                    System.out.println("登录失败！不能找到此用户");
                }
                break;
            case 3:
                //退出
                System.out.println("感谢使用，欢迎下次使用！");
                flag=false;
                System.exit(1);
                break;
            default:
                break;
            }
        }while(flag);
    }
    //判断是否为管理员
//    public boolean masterPanDuan() {
//        System.out.println("请输入会员账号：");
//        int cardId = sc.nextInt();
//        System.out.println("请输入会员密码：");
//        String pwd = sc.next();
//        if(hasMaber(cardId, pwd) instanceof Mamber) {
//            printAll();
//            return true;
//            
//        }
//        return false;
//    }
    //登录
    public boolean register() {
        boolean falg = false ;
        System.out.println("请输入会员账号：");
        int id = 0;
        String pwd = "";
        try{
            id = sc.nextInt();
            System.out.println("请输入会员密码：");
            pwd = sc.next();
        }catch(InputMismatchException e) {
            System.err.println("请输入合法账号");
        }

        for(Mamber m : list) {
            if(id==m.getCardId()&&pwd.equals(m.getPwd())) {
                falg = true;
            }
        }
        return falg;
    }
    //展示所有会员信息
    public void printAll() {
        for(Mamber ma : list) {
            System.out.println("姓名："+ma.getName()+"	会员卡号为："+ma.getCardId()+"	剩余金额为："+ma.getMoney()+"	开卡日期为："+ma.getDate());
        }
    }
    //展示业务
    public void print() {
        System.out.println("*****************选择您要办理的业务*****************");
        System.out.println("1.积分累计	2.积分兑换	3.查询积分	4余额查询	5.修改密码	6.返回上一页");
        System.out.print("请选择：");
    }
    //开始
    public void start() {
        do {
            print();
            int choose = sc.nextInt();
            switch (choose) {
            case 1:
                //积分累计
                System.out.println("******积分累积******");
                if(saveScore()) {
                    System.out.println("累计积分成功");
                }else {
                    System.out.println("累计积分失败");
                }
                continue;
            case 2:
                //积分兑换
                System.out.println("******积分兑换******");
                if(minusScore()) {
                    System.out.println("积分兑换成功!");
                }else {
                    System.out.println("积分兑换失败!");
                }
                continue;
            case 3:
                //查询积分
                System.out.println("******积分查询******");
                showScore();
                continue;
            case 4:
                //余额查询
                showMoney();
                continue;
            case 5:
                //修改密码
                System.out.println("******修改密码******");
                if(modifyPwd()) {
                    System.out.println("密码修改成功！");
                }else {
                    System.out.println("密码修改失败！");
                }
                continue;
            case 6:
                //返回上一页
                break;
            default:
                System.out.println("输入有误，重新输入：");
                continue;
            }
            break;
        }while(true);
    }

    //累计积分
    public boolean saveScore(){
        boolean falg = true;
        System.out.print("请输入会员卡号：");
        int id = sc.nextInt();
        System.out.print("请输入会员卡密码：");
        String pwd = sc.next();
        Mamber mamber = hasMaber(id,pwd);
        if(mamber!=null) {
            System.out.println("请输入此次消费金额：(1元等于1积分)");
            int score = sc.nextInt();
            mamber.setScore(mamber.getScore()+score);
            falg = true;
        }else {
            System.out.println("未能找到此用户！");
            falg = false;
        }
        return falg;
    }
    //积分兑换
    public boolean minusScore(){
        boolean falg = true;
        System.out.print("请输入会员卡号：");
        int id = sc.nextInt();
        System.out.print("请输入会员卡密码：");
        String pwd = sc.next();
        Mamber mamber = hasMaber(id,pwd);
        if(mamber!=null) {
            System.out.println("请输入此次兑换积分：(1积分等于0.05元)");
            int score = sc.nextInt();
            if(score<=mamber.getScore()) {
                mamber.setScore(mamber.getScore()-score);
                double dou =score/20;
                System.out.println("您此次使用"+score+"积分兑换了"+dou+"元");
                mamber.setMoney(mamber.getMoney()+dou);
                System.out.println("您的余额为："+mamber.getMoney());
                falg = true;
            }else {
                System.out.println("积分不足！无法兑换");
                falg = false;
            }

        }else {
            System.out.println("密码输入错误！");
            falg = false;
        }
        return falg;
    }
    //积分查询
    public void showScore() {
        System.out.println("请输入会员卡号：");
        int id = sc.nextInt();
        System.out.println("请输入密码：");
        String pwd = sc.next();
        if(hasMaber(id, pwd) instanceof Mamber) {
            System.out.println("姓名："+hasMaber(id, pwd).getName()+"	会员卡号为："+hasMaber(id, pwd).getCardId()+"	积分余额为："+hasMaber(id, pwd).getScore()+"	开卡日期为："+hasMaber(id, pwd).getDate());
        }else {
            System.out.println("没有此用户！");
        }

    }
    //余额查询
    public void showMoney() {
        System.out.println("请输入会员卡号：");
        int id = sc.nextInt();
        System.out.println("请输入密码：");
        String pwd = sc.next();
        if(hasMaber(id, pwd) instanceof Mamber) {
            System.out.println("姓名："+hasMaber(id, pwd).getName()+"	会员卡号为："+hasMaber(id, pwd).getCardId()+"	剩余金额为："+hasMaber(id, pwd).getMoney()+"	开卡日期为："+hasMaber(id, pwd).getDate());
        }else {
            System.out.println("没有此用户！");
        }
    }
    //密码修改
    public boolean modifyPwd() {
        boolean flag = false;
        System.out.println("请输入会员卡号：");
        int cardId = sc.nextInt();
        System.out.println("请输入原密码：");
        String pwd = sc.next();
        if(hasMaber(cardId, pwd) instanceof Mamber) {
            System.out.println("请输入新密码：");
            String newPwd = sc.next();
            System.out.println("请确认新密码：");
            String againPwd = sc.next();
            if(newPwd.equals(againPwd)) {
                //判断密码长度
                hasMaber(cardId, pwd).setPwd(againPwd);
                flag = true;
            }else {
                System.out.println("两次密码不一致！无法修改");
            }
        }else {
            System.out.println("账号或密码输入错误，不能修改密码");
        }
        return flag;
    }


    //根据会员账号和密码查询当前用户是否存在
    public Mamber hasMaber(int id,String pwd) {
        for(Mamber mamber : list) {
            if(mamber.getCardId() == id && mamber.getPwd().equals(pwd)) {
                return mamber;
            }
        }
        return null;
    }

    //随机卡号
    public int CardId() {
        Random ran = new Random();
        int id = ran.nextInt(99999999);
        for(Mamber ma : list) {
            if(ma.getCardId() == id) {
                id = ran.nextInt(99999999);
            }
        }
        return id;
    }
    //注册
    public void getCard() {
        System.out.println("******注册会员******");
        Mamber mam = new Mamber();
        System.out.println("请输入开卡人姓名：");
        mam.setName(sc.next());
        //随机生成卡号
        int cardId = CardId();
        mam.setCardId(cardId);
        boolean falg = true;
        do {
            System.out.println("请输入注册密码：");
            String pwd = sc.next();
            System.out.println("请确认密码：");
            String str = sc.next();
            if(str.equals(pwd)) {
                if(pwd.length()<6) {
                    System.out.println("会员密码不能小于6位，重新输入：");
                    falg = false;
                }else {
                    mam.setPwd(pwd);
                    falg = true;
                }
            }else {
                System.out.println("请确认两次密码一致！");
                falg = false;
            }
        }while(!falg);
        //开通成功后赠送100积分
        mam.setScore(100);
        //开卡时间
        Date date = new Date();
        SimpleDateFormat formate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String sdate = formate.format(date);
        mam.setDate(sdate);
        System.out.println("您的会员卡开通成功！赠送您100积分
您的会员卡号是："+cardId+"
开卡时间为："+mam.getDate());
        //将会员添加到集合中
        list.add(mam);
    }
}

package com.bdqn;
/**
 * 测试类
 * @author Mr.zhang
 *
 */
public class Main {
    public static void main(String[] args) {
        MamberDao ma = new MamberDao();
        ma.begin1();
    }
}