超市会员管理系统(java源码).rar

package cn.codeengine; /** * @author Loger_Chen * * @data 2019/9/22 * * @character UTF-8 */ import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Iterator; import java.util.Random; import java.util.Scanner; public class Functions { ArrayList<Member> members = new ArrayList<Member>(); Scanner scanner = new Scanner(System.in); // 开卡（注册） public void registration() { System.out.print("请输入注册姓名："); String name = scanner.next(); System.out.print("请输入注册密码："); String password = scanner.next(); for (; password.length() < 6;) { System.out.print("对不起！密码的长度不能小于6为，请重新输入密码："); password = scanner.next(); } Date cardOpeningDate = new Date(); //生成随机的8为卡号 Random random = new Random(); int cardId = random.nextInt(90000001) + 10000000; for (Iterator<Member> iterator = members.iterator(); iterator.hasNext();) { Member aimMember = iterator.next(); //确保卡号的唯一性 for (; aimMember.getCardId() == cardId;) { cardId = random.nextInt(90000001) + 10000000; } } Member member = new Member(name, cardId, password, 100, cardOpeningDate); members.add(member); System.out.println("恭喜，开同会员成功，系统赠送100积分！你的会员卡号为：" + cardId); } // 密码修改 public void changePassword() { System.out.print("请输入你的会员卡号："); int cardId = scanner.nextInt(); System.out.print("请输入你的会员卡密码："); String oldPassword = scanner.next(); // 使用迭代器对members进行遍历，并进行用户账号的验证 for (Iterator<Member> iterator = members.iterator(); iterator.hasNext();) { Member aimMember = iterator.next(); if (aimMember.getCardId() == cardId && aimMember.getPassword().equals(oldPassword)) { System.out.print("请输入新的会员密码："); String newPassword = scanner.next(); for (; newPassword.length() < 6;) { System.out.print("对不起！密码的长度不能小于6为，请重新输入密码："); newPassword = scanner.next(); } //对账号信息进行刷新 members.remove(aimMember); aimMember.setPassword(newPassword); members.add(aimMember); System.out.println("密码修改成功！"); } else { System.out.println("账号或密码错误！"); } } } // 查询剩余积分 public void inquireIntegral() { System.out.print("请输入你的会员卡号："); int cardId = scanner.nextInt(); System.out.print("请输入你的会员卡密码："); String password = scanner.next(); // 使用迭代器对members进行遍历，并进行用户账号的验证 for (Iterator<Member> iterator = members.iterator(); iterator.hasNext();) { Member aimMember = iterator.next(); if (aimMember.getCardId() == cardId && aimMember.getPassword().equals(password)) { System.out.println("姓名\t" + "会员卡号\t" + "\t剩余积分\t" + "\t开卡日期\t"); System.out.println(aimMember.getName() + "\t" + aimMember.getCardId() + "\t" + aimMember.getIntegral() + "\t\t" + (new SimpleDateFormat().format(aimMember.getCardOpeningDate()))); } else { System.out.println("账号或密码输入错误！"); } } } // 积分兑换 public void exchangeIntegral() { System.out.print("请输入你的会员卡号："); int cardId = scanner.nextInt(); System.out.print("请输入你的会员卡密码："); String password = scanner.next(); // 使用迭代器对members进行遍历，并进行用户账号的验证 for (Iterator<Member> iterator = members.iterator(); iterator.hasNext();) { Member aimMember = iterator.next(); if (aimMember.getCardId() == cardId && aimMember.getPassword().equals(password)) { System.out.print("请输入你需要兑换使用的积分（100积分顶用0.1元，不足100的积分不做抵用）："); int integral = scanner.nextInt(); float money = ((float) ((integral / 100) * 0.1)); if (integral < 100) { System.out.println("你的消费金额中使用会员积分抵消0.0元"); System.out.println("积分兑换成功！"); } else { System.out.println("你的消费金额中使用会员积分抵消" + money + "元"); System.out.println("积分兑换成功！"); } // 对用用户剩余积分进行更新 integral = (int) (aimMember.getIntegral() - money * 1000); members.remove(aimMember); aimMember.setIntegral(integral); members.add(aimMember); } else { System.out.println("账号或密码输入错误！"); } } } // 积分累计 public void addIntegral() { System.out.print("请输入你的会员卡号："); int cardId = scanner.nextInt(); System.out.print("请输入你的会员卡密码："); String password = scanner.next(); // for (Iterator<Member> iterator = members.iterator(); iterator.hasNext();) { Member aimMember = iterator.next(); if (aimMember.getCardId() == cardId && aimMember.getPassword().equals(password)) { System.out.print("请输入你此次消费金额（消费一元累计1积分）："); float money = scanner.nextFloat(); members.remove(aimMember); int newIntegral = aimMember.getIntegral() + (int) money; aimMember.setIntegral(newIntegral); members.add(aimMember); System.out.println("积分累计成功！"); }else { System.out.println("账号或密码输入错误！"); } } } }