模拟ATM系统（超完整）

拼搏现实的明天。 2023-10-10 17:31 11阅读 0赞

public class Account {
        private String id;//卡号
        private String name;//账户名
        private char sex;//性别
        private String password;//密码
        private double money;//余额
        private double limit;//取现额度
    
        public Account() {
        }
    
        public Account(String id, String name, char sex, String password, double limit) {
            this.id = id;
            this.name = name;
            this.sex = sex;
            this.password = password;
            this.limit = limit;
        }
    
        public Account(String id, String name, char sex, String password, double money, double limit) {
            this.id = id;
            this.name = name;
            this.sex = sex;
            this.password = password;
            this.money = money;
            this.limit = limit;
        }
    
        /**
         * 获取
         *
         * @return id
         */
        public String getId() {
            return id;
        }
    
        /**
         * 设置
         *
         * @param id
         */
        public void setId(String id) {
            this.id = id;
        }
    
        /**
         * 获取
         *
         * @return name
         */
        public String getName() {
            return name;
        }
    
        /**
         * 设置
         *
         * @param name
         */
        public void setName(String name) {
            this.name = name;
        }
    
        /**
         * 获取
         *
         * @return sex
         */
        public char getSex() {
            return sex;
        }
    
        /**
         * 设置
         *
         * @param sex
         */
        public void setSex(char sex) {
            this.sex = sex;
        }
    
        /**
         * 获取
         *
         * @return password
         */
        public String getPassword() {
            return password;
        }
    
        /**
         * 设置
         *
         * @param password
         */
        public void setPassword(String password) {
            this.password = password;
        }
    
        /**
         * 获取
         *
         * @return money
         */
        public double getMoney() {
            return money;
        }
    
        /**
         * 设置
         *
         * @param money
         */
        public void setMoney(double money) {
            this.money = money;
        }
    
        /**
         * 获取
         *
         * @return limit
         */
        public double getLimit() {
            return limit;
        }
    
        /**
         * 设置
         *
         * @param limit
         */
        public void setLimit(double limit) {
            this.limit = limit;
        }
    
    }

public class AMT {
        ArrayList<Account> list = new ArrayList<>();
        Scanner scanner = new Scanner(System.in);
        private Account loginAcc;
    
        //启动系统
        public void start() {
            while (true) {
                System.out.println("------欢迎进入AMT系统-------");
                System.out.println("1.用户登录");
                System.out.println("2.用户开户");
                System.out.println("请你输入编号：");
                int sc = scanner.nextInt();
                switch (sc) {
                    case 1:
                        login();//用户登录
                        break;
                    case 2:
                        createAcc();//用户开户
                        break;
                    default:
                        System.out.println("输入有误，重新输入！");
                        break;
                }
            }
    
        }
    
        //用户登录
        private void login() {
            if (list.size() == 0) {
                System.out.println("注册后再登录！");
                return;
            }
            Account acc;
            while (true) {
                System.out.println("请输入卡号：");
                String id = scanner.next();
                acc = isIdChongFu(id);
                if (acc == null) {
                    System.out.println("请重新输入卡号：");
                } else {
                    break;
                }
            }
            while (true) {
                System.out.println("请输入卡号密码：");
                String password = scanner.next();
                if (password.equals(acc.getPassword())) {
                    System.out.println("恭喜" + acc.getName() + "登录成功！,您的卡号为" + acc.getId());
                    loginAcc = acc;
                    //进入登录页面
                    loginSuccess();
                    break;
                } else {
                    System.out.println("请重新输入卡号密码：");
                }
            }
        }
    
        //登录成功界面
        private void loginSuccess() {
            System.out.println("-----恭喜" + loginAcc.getName() + "进入登录页面！-----");
            lo:
            while (true) {
                System.out.println("1.查询账户");
                System.out.println("2.存款");
                System.out.println("3.取款");
                System.out.println("4.转账");
                System.out.println("5.修改密码");
                System.out.println("6.退出");
                System.out.println("7.注销账户");
                System.out.println("请你输入要选择的服务：");
                int num = scanner.nextInt();
                switch (num) {
                    case 1:
                        showLoginAcc(); //查询账户
                        break;
                    case 2:
                        cunMoney();//存款
                        break;
                    case 3:
                        quMoney();//取款
                        break;
                    case 4:
                        zhuanMoney();//转账
                        break;
                    case 5:
                        upDate();//修改密码
                        break;
                    case 6:
                        //退出
                        System.out.println("感谢使用，再见！");
                        break lo;
                    case 7:
                        deleAcc();//注销账户
                        break;
                    default:
                        System.out.println("您输入有误，请重新输入：");
                }
            }
        }
    
        private void deleAcc() {
            while (true) {
                System.out.println("请输入您要删除的账号：");
                String id = scanner.next();
    
                if ((loginAcc.getId().equals(id)) || isIdChongFu(id) == null) {
                    System.out.println("您输入的卡号不存在/已登录,请重新输入!");
                    return;
                } else {
                    list.remove(isIdChongFu(id));//删除输入的账户
                    System.out.println("删除成功!id为" + id + "已删除!");
                    break;
                }
            }
            System.out.println();
            System.out.println("");
        }
    
        //修改密码
        private void upDate() {
            lo:
            while (true) {
                System.out.println("请输入原密码：");
                String password = scanner.next();
                if (!(loginAcc.getPassword().equals(password))) {
                    System.out.println("原密码输入错误，请重新输入！");
                } else {
                    System.out.println("请您开始修改密码！");
                    break lo;
                }
            }
            while (true) {
                System.out.println("输入新密码：");
                String password1 = scanner.next();
                System.out.println("输入确认密码：");
                String password2 = scanner.next();
                if (password1.equals(password2) && !(password1.equals(loginAcc.getPassword()))) {
                    loginAcc.setPassword(password1);
                    System.out.println("密码修改成功！新密码为" + loginAcc.getPassword());
                    break;
                } else {
                    System.out.println("两次密码输入不一致，或与原密码重复，请重新输入！");
                }
            }
        }
    
        //登录成功后的转账功能
        private void zhuanMoney() {
            if (list.size() < 2) {
                System.out.println("请添加转账用户！");
                return;
            }
            if (loginAcc.getMoney() == 0) {
                System.out.println("银行卡无钱，加钱后再转账！");
                return;
            }
            //代码走到此处，已经可以转账
            Account otherAcc;
            while (true) {
                System.out.println("请输入你的转账的卡号：");
                String zhaunId = scanner.next();
                otherAcc = isIdChongFu(zhaunId);
                if (otherAcc == null) {
                    System.out.println("您输入的卡号不正确，请确认后再输入！");
                } else {
                    break;
                }
            }
            double zhuanMoney;
            while (true) {
                System.out.println("请输入你的转账金额：");
                zhuanMoney = scanner.nextDouble();
                if (zhuanMoney < 0 && loginAcc.getMoney() < zhuanMoney) {
                    System.out.println("转账金额有误，请重新输入");
                } else {
                    break;
                }
            }
            //开始转账
            while (true) {
                System.out.println("请你输入账户姓氏：【" + "*" + otherAcc.getName().substring(1) + "】");
                String otherName = scanner.next();
                if (otherAcc.getName().startsWith(otherName)) {
                    otherAcc.setMoney(otherAcc.getMoney() + zhuanMoney);
                    loginAcc.setMoney(loginAcc.getMoney() - zhuanMoney);
                    System.out.println("转账成功,你剩余：" + loginAcc.getMoney() + "元。");
                    break;
                } else {
                    System.out.println("输入的 姓氏不合法，请重新输入！");
                }
            }
    
        }
    
        //登录成功后的取款功能
        private void quMoney() {
            while (true) {
                System.out.println("请输入取款金额：");
                double quMoney = scanner.nextDouble();
                if (quMoney > 0 && quMoney % 100 == 0) {
                    loginAcc.setMoney(loginAcc.getMoney() - quMoney);
                    System.out.println(loginAcc.getName() + "取款成功!" + ",取款金额为：" + quMoney + ",剩余：" + loginAcc.getMoney());
                    break;
                } else {
                    System.out.println("你输入的取款金额有误，请重新输入！");
                    return;
    
                }
            }
        }
    
        //登录成功后的存款功能
        private void cunMoney() {
            double cunMoney;
            while (true) {
                System.out.println("请输入存款金额：");
                cunMoney = scanner.nextDouble();
                if (cunMoney > 0) {
                    loginAcc.setMoney((loginAcc.getMoney() + cunMoney));
                    System.out.println("存款成功 ，总金额为" + loginAcc.getMoney());
                    break;
                } else {
                    System.out.println("输入的存款金额有误！");
                }
            }
    
        }
    
    
        //登录成功后的用户展示功能
        private void showLoginAcc() {
            System.out.println("id为：" + loginAcc.getId());
            System.out.println("用户名为：" + loginAcc.getName());
            System.out.println("性别为：" + loginAcc.getSex());
            System.out.println("余额为：" + loginAcc.getMoney());
            System.out.println("取现额度为：" + loginAcc.getLimit());
        }
    
        //开户功能
        private void createAcc() {
            System.out.println("请输入用户名：");
            String name = scanner.next();
            char sex;
            //判断性别是否合法
            while (true) {
                System.out.println("请输入性别");
                String sexTr = scanner.next();
                if (sexTr.charAt(0) != '男' && sexTr.charAt(0) != '女') {
                    System.out.println("输入有误，重新输入！");
                } else {
                    sex = sexTr.charAt(0);
                    break;
                }
            }
            //生成卡号id
            String id = createId();
            //判断密码是否合法
            String password;
            while (true) {
                System.out.println("请输入账户密码：");
                password = scanner.next();
                System.out.println("请输入账户确认密码：");
                String repassword = scanner.next();
                if (password.equals(repassword)) {
                    break;
                } else {
                    System.out.println("密码错误，请重新输入：");
                }
            }
            //判断提现额度是否合法
            double limit;
            while (true) {
                System.out.println("请输入取现额度：");
                limit = scanner.nextDouble();
                if (limit < 0) {
                    System.out.println("输入额度有误，请重新输入！");
                } else break;
            }
            Account acc = new Account();
            acc.setId(id);
            acc.setPassword(password);
            acc.setName(name);
            acc.setLimit(limit);
            acc.setSex(sex);
            list.add(acc);
            System.out.println("恭喜" + acc.getName() + "开卡成功" + ",你的卡号为：" + acc.getId());
        }
    
        //生成随机id
        private String createId() {
            Random random = new Random();
            String id = "";
            while (true) {
                for (int i = 0; i < 8; i++) {
                    int num = random.nextInt(10);
                    id += num;
                }
                if (isIdChongFu(id) == null) {
                    break;
                }
            }
            return id;
    
        }
    
        //查id是否已有 返回Accout对象
        private Account isIdChongFu(String id) {
            for (int i = 0; i < list.size(); i++) {
                if (id.equals(list.get(i).getId())) {
                    return list.get(i);
                }
            }
            return null;//id不存在
        }
    }

启动类

public class Start {
        public static void main(String[] args) {
            AMT amt = new AMT();
            amt.start(); 
        }
    
    }