package com.chaoshihuiyuanguanliSystem3;//创建一个会员类
public class Member {//用户姓名 卡号 密码 日期  积分private String name;private int cardId;private String  password;private String date;private int score;public Member() {}public Member(String name, int cardId, String password, String date, int score) {super();this.name = name;this.cardId = cardId;this.password = password;this.date = date;this.score = score;}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 getPassword() {return password;}public void setPassword(String password) {this.password = password;}public String getDate() {return date;}public void setDate(String date) {this.date = date;}public int getScore() {return score;}public void setScore(int score) {this.score = score;}}

package com.chaoshihuiyuanguanliSystem3;import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.Scanner;//创建一个会员类的功能public class Memberdao {Scanner sc = new Scanner(System.in);Map<Integer,Member> map  = new HashMap<>();Member member = new Member();//创建一个产生随机数生成卡号的方法public int cardIds() {Random ran = new Random();int id = ran.nextInt(99999999);if(id<100000000&&map.containsKey(id)) {//map.containKey：如果此映射包含指定键的映射关系，则返回 true。id = ran.nextInt();    }return id;}//创建一个开卡的方法public void kaika() {boolean flag = true;System.out.println("请输入用户名：");member.setName(sc.next());do {System.out.println("请输入密码：");member.setPassword(sc.next());System.out.println("请再次输入密码：");String pw = sc.next();if(member.getPassword().equals(pw)&&member.getPassword().length()>5) {System.out.println("开卡成功！");int id = cardIds();System.out.println("您的会员卡号是："+id);//开卡赠送100积分member.setScore(100);System.out.println("会员卡积分是："+member.getScore());//定义一个a接收开卡时间String a =dates();System.out.println("开卡的时间是："+a);member.setDate(a);map.put(id, member);flag = true;}else {System.out.println("输入的密码不正确，请重新输入！");flag = false;}}while(!flag);}//创建一个登入页面的方法public void enter() {do {System.out.println("*********超市会员管理系统********");System.out.println("1、登入");System.out.println("2、注册");System.out.println("3、退出");System.out.println("请选择：");int choose;choose = sc.nextInt();switch(choose) {//登入case 1:passwordEnter();break;//注册case 2:kaika();break;//退出case 3:System.exit(1);break;}}while(true);}//创建一个生成时间的方法public String dates() {String date;Date dt = new Date();SimpleDateFormat dte = new SimpleDateFormat("YYYY-MM-dd");date = dte.format(dt);return date;}//创建一个登入输密码的方法public void passwordEnter() {do {System.out.println("请输入会员卡号：");int id = sc.nextInt();System.out.println("请输入会员卡密码：");String pw = sc.next();if(map.containsKey(id)&&map.get(id).getPassword().equals(pw)) {System.out.println("登入成功！");function();}else {System.out.println("会员卡号或密码错误，请重新输入：");}}while(true);}//创建一个登入后的功能界面public void function() {do {System.out.println("********************欢迎进入超市会员管理系统********************");System.out.println("1、积分累计\t2、积分兑换\t3、查询积分\t4、修改密码\t5、退出系统");System.out.println("********************************************************");System.out.println("请选择：");int choose = sc.nextInt();switch(choose) {//积分累计case 1:leiji();break;//积分兑换case 2:duihuan();break;//积分查询case 3:search();break;//修改密码case 4:changepw(); break;//退出系统case 5:System.exit(1);break;default:System.out.println("输入有误，请重新输入");break;}}while(true);}//积分累计public void leiji() {System.out.println("输入你此次消费的金额（消费一元累计一积分）：");int scorss = sc.nextInt();member.setScore(member.getScore()+scorss);System.out.println("你现在的积分为："+member.getScore());}//积分兑换public void duihuan() {System.out.println("输入你此次兑换的金额（100积分兑换1元）：");int scorss = sc.nextInt();if(member.getScore()<scorss) {System.out.println("兑换失败，您没有这么多的积分。");}else {double money = scorss/100;System.out.println("您成功兑换了："+money+"元");member.setScore(member.getScore()-scorss);System.out.println("剩余积分："+member.getScore());}}//积分查询public void search() {System.out.println("您的会员卡号是：："+member.getCardId());System.out.println("您会员卡的名字："+member.getName());System.out.println("您开卡的时间是："+member.getDate());System.out.println("您卡里的积分剩余："+member.getScore());}//修改密码public void changepw() {System.out.println("请输入旧密码：");do {String pws = sc.next();if(member.getPassword().equals(pws)) {System.out.println("请输入新的密码：");String pwss = sc.next();if(pwss.length()>5) {System.out.println("更改密码成功！请重新登入");member.setPassword(pwss);passwordEnter();}}else {System.out.println("输入的旧密码错误，请重新输入");}}while(true);}//生成验证码的方法
//    public String testId() {
//        Random ran1 = new Random();
//        String id = null;
//        for(int i = 0;i<6;i++) {
//            int num1 = ran1.nextInt(123);
//
//            if((64<num1&&num1<91)||(96<num1&&num1<123)) {
//                char a = (char)num1;
//                System.out.print(a);
//            }else if(num1<10) {
//                int b = num1;
//                System.out.print(b);
//            }
//            else   {
//                i--;
//            }
//
//        }
//        return id;
//    }
}

package com.chaoshihuiyuanguanliSystem3;//测试类
public class Test {public static void main(String[] args) {//创建dao对象Memberdao dao = new Memberdao();dao.enter();}
}