java银行项目_java小型银行项目学习打卡

java小型银行项目学习打卡

import java.util.Scanner;

public class bank {

public static void main(String[] args) {

String Cardnum1 = "10001";

String password1 = "123456";

double banlence1 = 10000;

String Cardnum2 = "10001";

String password2 = "123456";

double banlence2 = 10000;

String Cardnum3 = "10001";

String password3 = "123456";

double banlence3 = 10000;

Scanner input = new Scanner(System.in);

int count = 0;

double money = 0;

while (true) {

System.out.println("请输入您的卡号");

String Cardnum = input.next();

System.out.println("请输入您的密码");

String password = input.next();

double banlence = 0;

if (Cardnum.equals(Cardnum1) && password.equals(password1)) {

Cardnum = Cardnum1;

banlence = banlence1;

System.out.println("登陆成功，您的卡号是" + Cardnum + "您的余额是" + banlence1 + "");

} else if (Cardnum.equals(Cardnum2) && password.equals(password2)) {

Cardnum = Cardnum2;

banlence = banlence2;

System.out.println("登陆成功，您的卡号是" + Cardnum + "您的余额是" + banlence2 + "");

} else if (Cardnum.equals(Cardnum3) && password.equals(password3)) {

Cardnum = Cardnum3;

banlence = banlence3;

System.out.println("登陆成功，您的卡号是" + Cardnum + "您的余额是" + banlence3 + "");

} else {

count++;

if (count >= 3) {

System.out.println("您已经三次输入错误，银行卡已经锁定");

break;

} else {

System.out.println("您已经" + count + "次输入错误，剩余" + (3 - count) + "次机会");

}

System.out.println("卡号密码输入错误请重新输入");

continue;

}

while (true) {

System.out.println("请输入您的操作：1.存款 2.取款 3.退出");

double choise = input.nextInt();

if (choise == 1) {

System.out.println("请输入您的存款金额");

double money1 = input.nextInt();

if (money1 > 0) {

banlence += money1;

System.out.println("存款成功，存入" + money1 + "元,余额" + banlence + "元");

} else {

System.out.println("输入金额错误！");

break;

}

} else if (choise == 2) {

System.out.println("请输入您的取款金额");

double money2 = input.nextInt();

if (money2 > 0 && money2 <= banlence) {

System.out.println("取款成功，取出" + money2 + "元,余额" + (banlence - money2) + "元");

} else {

System.out.println("存取金额输入错误");

break;

}

} else if (choise == 3) {

System.out.println("感谢您的光临，再见！");

break;

}

}

}

}

}

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