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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);
}
}
ATM