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package com.wooyoo.learning.bank;

import java.util.Scanner;

public class testMain {

private static final String userName = "张三";

private static int userMoney = 2000;

private static final int maxMoney = 5000;

private static final String userCard = "12345";

private static final int userPwd = 123;

public static void main(String[] args) {

System.out.println("欢迎光临中国建设银行！");

System.out.println("请输入银行卡号！");

Scanner scan = new Scanner(System.in);

String card = scan.next();

System.out.println("请输入密码！");

int pwd = scan.nextInt();

while (!checkCardPwd(card, pwd)) {

System.out.println("银行卡号或密码错误,请重新输入！");

System.out.println("请输入银行卡号");

card = scan.next();

System.out.println("请输入银行卡密码");

pwd = scan.nextInt();

}

System.out.println("登陆成功");

System.out.println("当前登陆用户名:" + userName);

operation();

}

//验证账号密码

public static boolean checkCardPwd(String card, int pwd) {

return card.equals(userCard) && userPwd == pwd;

}

//进行操作选择

public static void operation() {

System.out.println("请选择您需要操作的业务！");

System.out.println("存款:1 取款:2 余额:3 退出:0");

Scanner scan = new Scanner(System.in);

int num = scan.nextInt();

while (num != 0 && num != 1 && num != 2 && num != 3) {

System.out.println("非法输入！请重新输入");

num = scan.nextInt();

}

switch (num) {

case 1:

System.out.println("您当前的余额为：" + userMoney + "元");

System.out.println("请输入存款金额");

int putMoney = scan.nextInt();

while (putMoney > maxMoney) {

System.out.println("单次存款金额上限金额不能大于5000元，请重新输入！");

putMoney=scan.nextInt();

}

userMoney = userMoney + putMoney;

System.out.println("存款成功！当前银行卡余额为：" + userMoney + "元");

switchType();

break;

case 2:

System.out.println("您当前可取款余额为：" + userMoney + "元");

System.out.println("请输入取款金额");

int outMoney = scan.nextInt();

while (outMoney > userMoney) {

System.out.println("您输入的金额过多,请查看您的余额后输入正确的取款金额!");

outMoney = scan.nextInt();

}

userMoney = userMoney - outMoney;

System.out.println("取款成功！当前银行卡余额为：" + userMoney + "元");

switchType();

break;

case 3:

System.out.println("您当前的余额为：" + userMoney + "元");

switchType();

break;

case 0:

System.out.println("成功退出！欢迎下次光临！");

break;

default:

System.out.println("输入异常！");

}

}

public static void switchType() {

System.out.println("请选择操作：返回上一层业务:1 退出:0");

Scanner scan = new Scanner(System.in);

switch (scan.nextInt()) {

case 1:

operation();

break;

case 0:

System.out.println("成功退出！欢迎下次光临！");

break;

default:

System.out.println("输入异常");

}

}

}