ATM银行取款系统程序代码初步.doc

package atm;

import java.io.*;

public class perfect {

public static void main(String[] args) throws IOException {
System.out.println("ATM自动取款机欢迎你的光临！");
System.out.println("请输入您的密码：");
int money = 10000;

int count = 0;
while (count < 3) {

if (login1()) {
System.out.println("欢迎光临\n本ATM自动取款机为你提供如下服务："
+ "\n1、 余额查询\t2、 取款\t3、 存款\t4 、 转帐\t5、 取卡");
job(money);
} else {
System.out.print("对不起，你输入的密码有误！");

count++;

if (count == 1) {
System.out.println("你已输错密码" + count
+ "次，注意哦，超过3次你的银行卡将被冻结！\n请重新输入：");
}
if (count == 2) {
System.out.println("你已输错密码" + count
+ "次，注意哦，你还有一次输入机会了！\n请重新输入：");
}

if (count == 3) {
System.out.println("你输错密码已达到" + count + "次，你的银行卡已经被冻结。\n"
+ "想要解冻，请带上你本人的身份证到柜台找工作人员核实以解冻，谢谢合作！");
}

}

}
}

public static boolean login1() throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String str = br.readLine();

boolean result = false;
if (str.equals("123456"))
result = true;
return result;
}

public static int job(int money) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String str; // 定义一个字符串变量
System.out.println("请选择你要的功能：");
str = br.readLine();// 读取用户输入信息
int a = 1; // 对a值进行初始化
a = Integer.parseInt(str);

if (a <= 5 && a >= 1) {

if (a == 1) {
System.out.println("你选择的功能是：余额查询\n");
select(money);
}
if (a == 2) {
System.out.println("你选择的功能是：取款 \n");
outputMoney(money);
select(money);
}
if (a == 3) {
System.out.println("你选择的功能是：存款\n");
inputMoney(money);
select(money);
}
if (a == 4) {
System.out.println("你选择的功能是： 转帐\n");
moveMoney(money);
select(money);
}
while (a == 5) {
System.out.println("你选择的功能是：取卡\n");
x();
select(money);
break;
}

} else {
{
System.out.println("看清楚点咯，请选择正确的选项哦\n");
job(money);
}

}
return a;
}

public static int outputMoney(int x) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入你取款的金额：");
int y = 0;

try {
y = Integer.parseInt(br.readLine());
} catch (NumberFormatException e) {

e.printStackTrace()
} catch (IOException e) {

e.printStackTrace();
}

if (y % 50 == 0 && x >= y) {
x = x - y;
System.out.println("尊敬的客户，你这次取了" + y + "元，你还有" + x + "元.");
job(x);

}
if (y % 50 == 0 && x < y) {
System.out.println("对不起，你输入的金额已超过你的剩余金额，请重新输入！");
job(x);

}
if (y % 50 != 0) {
System.out.println("对不起，Atm自动取款机只能辨认面额为50倍数的金额");
outputMoney(x);
}

return x;

}

public static int inputMoney(int x) throws IOException {
BufferedReader br3 = new BufferedReader(
new InputStreamReader(System.in));
System.out.println("请输入你的存款金额:");
int y = 0;
try {
y = Integer.parseInt(br3.readLine());
} catch (NumberFormatException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
if (y % 50 == 0 && x >= y) {
x = x + y;
System.out.println("尊敬的客户，你这次存了" + y + "元，你现有" + x + "元了.");
job(x);

}

if (y % 50 != 0) {
System.out.println("对不起，Atm自动取款机只能辨认面额为50倍数的金额");
outputMoney(x);
}
return x;
}

public static int moveMoney(int x) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入你想要转出的金额：");
int y = 0;

try {
y = Integer.parseInt(br.readLine());
} catch (NumberFormatException e) {

e.printStackTrace();
} catch (IOException e) {

e.printStackTrace();
}

if (y % 50 == 0 && x >= y) {
x = x - y;
System.out.println("尊敬的客户，你这次转出了" y + "元，你还有" + x + "元了.");
job(x);

}
if (y % 50 == 0 && x < y) {
System.out.println("对不起，你想要转出的金额已超过你的剩余金额，请重新输入！");
job(x);

}
if (y % 50 != 0) {
System.out.println("对不起，Atm自动取款机只能辨认面额为50倍数的金额");
outputMoney(x);
}

return x;

}

public static int select(int money) throws IOException {

{
System.out.println("你的剩余金额为：" + money + "\n");
job(money);
return money;
}
}

public static void x() {

System.out.println("欢迎你的光临，请取回你的磁卡,下次再见！\n");

}

}