ATM

package com.lovo.atmoo.bean;

import java.util.Scanner;

public class ATMachine { private UserBean theUser;//ATM中记录的用户信息 private int cash;//现金 public final int MAX_CASH = 200000; public ATMachine(){ //创建假的预存数据 this.theUser = new UserBean("J142","123456",110); this.cash = 100000; this.run(); } //运行---控制ATM运行流程的 private void run(){ this.welcome(); boolean flag = this.login(); if(flag){ while(true){ int choice = this.chooseMenu(); switch(choice){ case 1: this.query(); break; case 2: this.getMoney(); break; case 3: this.storeMoney(); break; case 4: this.changePwd(); break; case 5: this.exit(); break; default: System.out.println("没有该选项，请仔细读取提示信息。"); break; } } }else{ System.out.println("三次登录失败，您的卡被没收。"); System.out.println("请持有效证件到柜台处理！"); } } private void welcome(){ System.out.println("**********************************"); System.out.println("**************ICBC银行************"); System.out.println("**********************************"); System.out.println("**********************************"); System.out.println("*********************version1.0****"); System.out.println("**********************************"); } private boolean login(){ for(int i = 0; i < 3; i++){ Scanner scan = new Scanner(System.in); System.out.println("请输入卡号："); String inputCardNum = scan.nextLine(); System.out.println("请输入密码："); String inputPwd = scan.nextLine(); if(inputCardNum.equals(this.theUser.getCardNum()) && inputPwd.equals(this.theUser.getPassword())){ System.out.println("欢迎你，"+ inputCardNum + "，登录成功！"); return true; }else{ System.out.println("卡号密码有误，请查证！你还有" + (2 - i) + "次机会！"); } } return false; } private int chooseMenu(){ Scanner scan = new Scanner(System.in); System.out.println("请选择您要执行的操作："); System.out.println("1、查询余额；2、取款；3、存款；4、修改密码；5、退出"); int choice = scan.nextInt(); return choice; } private void query(){ System.out.println("您当前的余额是：" + this.theUser.getAccount() + "元。"); } private double storeMoney(){ Scanner scan = new Scanner(System.in); System.out.println("请输入您要存入的金额："); int inputMoney = scan.nextInt(); cash=cash+inputMoney; if(cash <= 200000){ double account = this.theUser.getAccount()+inputMoney; System.out.println("你的余额为："+account); return this.theUser.account=account; }else{ System.out.println("你的存入金额过大！"); } return this.theUser.account; } private double getMoney(){ Scanner scan = new Scanner(System.in); System.out.println("请输入您要取出的金额："); int inputMoney = scan.nextInt(); cash=cash-inputMoney; if(cash>=0){ double account = this.theUser.getAccount()-inputMoney; System.out.println("你的余额为："+account); return this.theUser.account=account; } if(cash<0){ System.out.println("对不起，该ATM机器余额不足，无法取款！"); } return this.theUser.account; } private void changePwd(){ Scanner scan = new Scanner(System.in); System.out.println("请输入你的旧密码"); String str = scan.next(); if(str.equals("123456")){ System.out.println("请输入新的密码："); String str1 = scan.next(); System.out.println("请再次输入新的密码："); String str2 = scan.next(); if(str1.equals(str2)){ System.out.println("恭喜你，密码修改成功！"); }else{ System.out.println("密码修改失败！"); } }else{ System.out.println("你的密码输入有误！"); } } private void exit(){ System.out.println("谢谢您的使用，期待下次再为您服务！"); System.exit(0); }}

转载于:https://www.cnblogs.com/HP-huoshaoxiu/p/6828151.html

相关资源：C语言 ATM机