/** * @author admin * 该程序的功能为实现模拟银行ATM自动取款机提款,查询等功能. */ import Java.io.*; /*该类为实现客户信息及部分功能*/ class Account { private String code =null; //信用卡号 private String name =null; //客户姓名 private String password=null; //客户密码 private double money =0.0; //卡里金额 public Account(String code,String name,String password,double money) { this.code=code; this.name=name; this.password=password; this.money=money; } protected String get_Code() { return code; } protected String get_Name() { return name; } protected String get_Password() { return password; } public double get_Money() { return money; } /*得到剩余的钱的数目*/ protected void set_Balance(double mon) { money -= mon; } } /**********实现具体取款机功能*********/ class ATM { Account act; // private String name; // private String pwd; public ATM() { act=new Account("000000","Devil","123456",50000); } /***********欢迎界面***********/ protected void Welcome() { String str="---------------------------------"; System.out.print(str "\n" "欢迎使用Angel模拟自动取款机程序.\n" str "\n"); System.out.print(" 1.取款." "\n" " 2.查询信息." "\n" " 3.密码设置." "\n" " 4.退出系统." "\n"); } /**********登陆系统**********/ protected void Load_Sys() throws Exception { String card,pwd; int counter=0; BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); do { System.out.println("请输入您的信用卡号:"); card=br.readLine(); System.out.println("请输入您的密码:"); pwd=br.readLine(); if(!isRight(card,pwd)) { System.out.println("您的卡号或密码输入有误."); counter ; } else SysOpter(); }while(counter3); Lock_Sys(); } 回复获取全部
为宁国等地区用户提供了全套网页设计制作服务，及宁国网站建设行业解决方案。主营业务为成都网站设计、成都网站制作、宁国网站设计，以传统方式定制建设网站，并提供域名空间备案等一条龙服务，秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求，就会得到认可，从而选择与我们长期合作。这样，我们也可以走得更远！
很简单的例子，我把代码贴出来吧
import java.util.Scanner;
public class ATM {
/**
* @param args
*/
public static void main(String[] args) {
Scanner in = null;
int result;
double drawMoney;
double depositMoney;
Account account = new Account();
while (true) {
System.out.println("☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆(ABC)中国农业银行ATM自动存取款机☆☆☆☆☆☆☆☆☆☆☆☆☆");
System.out.println("\n\t\t\t\t1.存款业务");
System.out.println("\n\t\t\t\t2.取款业务");
System.out.println("\n\t\t\t\t3.查询余额");
System.out.println("\n\t\t\t\t4.退出ATM系统");
System.out.println("\n☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆中国农业银行欢迎您的使用☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆");
in = new Scanner(System.in);
switch (in.nextInt()) {
case 1:
System.out.println("请输入您的存款数额！");
depositMoney = in.nextDouble();
if(depositMoney 0)
System.out.println("您的输入无效，请重新输入!");
result = account.deposit(depositMoney);
if(result == 0){
System.out.println("存款业务完成，是否显示余额？Y/N");
if("Y".equalsIgnoreCase(in.next())){
System.out.println("您当前的余额为："+account.checkCurrent());
}else {
break;
}
}else {
System.out.println("无法完成交易！");
break;
}
break;
case 2:
System.out.println("请输入您的取款数额！");
drawMoney = in.nextDouble();
if (drawMoney 0) {
System.out.println("您的输入无效，请重新输入!");
}
result = account.withDraw(drawMoney);
if (result == 0) {
System.out.println("存款业务完成，是否显示余额？Y/N");
if("Y".equalsIgnoreCase(in.next())){
System.out.println("您当前的余额为："+account.checkCurrent());
}else {
break;
}
} else {
System.out.println("无法完成交易！");
break;
}
case 3:
System.out.println("您当前的余额为："+account.checkCurrent());
break;
case 4:
break;
default:
break;
}
}
}
}
public class Account {
private double currentMoney;//当前余额
public double getCurrentMoney() {
return currentMoney;
}
public void setCurrentMoney(double currentMoney) {
if (currentMoney 0) {
this.currentMoney = currentMoney;
}
}
/**
* 取款业务
* @param drawMoney
* @return 0代表成功，1代表失败
*/
public int withDraw(double drawMoney) {
if (currentMoney 0 drawMoney = currentMoney) {
currentMoney -= drawMoney;
} else {
System.out.println("您的余额已不足！");
return 1;
}
return 0;
}
/**
* 存款业务
* @param depositMoney
* @return 0代表成功，1代表失败
*/
public int deposit(double depositMoney) {
if (depositMoney 0) {
currentMoney += depositMoney;
return 0;
}else {
System.out.println("您提交的存款为负数，无法完成存款交易");
return -1;
}
}
/**
* 查询余额业务
* @return
*/
public double checkCurrent() {
return currentMoney;
}
}
import java.io.IOException;
/**
* ATM机类
*
* 查看余额
*
* 取款
*
* 存款
*
* 退出系统
*
*
*
*/
public class ATM {
static double yue = 1200.00;
public static void main(String[] arg) {
ATM localTest1 = new ATM();
localTest1.ATM_Operate();
}
/**
* ATM机的操作
*/
private void ATM_Operate() {
System.out.println("欢迎使用中国工商银行ATM取款机");
System.out.println("1、查看余额 2、取款");
System.out.println("3、存款 0、退出");
System.out.print("请输入您需要的服务:");
byte[] buffer = new byte[512];
try {
int count = System.in.read(buffer);// 返回实际读取的字节数
System.out.print("您输入的是:");
for (int i = 0; i count; i++) {
System.out.print("" + (char) buffer[i]);
}
if ((char) buffer[0] == '1') {
// 查看余额
System.out.println("您的余额是：￥" + yue + "元");
System.out.println();
ATM_Operate();
} else if ((char) buffer[0] == '2') {
// 取款
withdrawal();
System.out.println();
ATM_Operate();
} else if ((char) buffer[0] == '3') {
// 存款
deposit();
System.out.println();
ATM_Operate();
} else if ((char) buffer[0] == '0') {
// 退出
System.out.println("您已经成功退出系统，谢谢你的使用");
System.exit(0);
} else {
System.out.println("输入不合法，请重新输入");
System.out.println();
ATM_Operate();
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 取款
*
* @throws IOException
*/
private void withdrawal() throws IOException {
byte[] buffer = new byte[512];
System.out.print("请输入您要取出的金额:￥");
int count2 = System.in.read(buffer);// 返回实际读取的字节数
System.out.print("您输入的金额是:");
for (int i = 0; i count2 - 1; i++) {
System.out.print("" + (char) buffer[i]);
}
System.out.println();
// 字符0 ~ 9对应ASCII值48 ~ 57
boolean flag = false;
for (int i = 0; i count2 - 1; i++) {
if ((char) buffer[i] 47 (char) buffer[i] 58) {
if (i == count2 - 2) {
flag = true;
}
} else {
// 输入的字符不是数值
System.out.println("输入不合法，请重新输入");
withdrawal();
break;
}
}
System.out.println();
if (flag) {
System.out.print("您已成功取出￥:");
String num = "";
for (int i = 0; i count2 - 1; i++) {
System.out.print("" + (char) buffer[i]);
num += (char) buffer[i];
}
yue -= Double.valueOf(num);
System.out.print("，现在余额￥:" + yue);
}
}
/**
* 存款
*
* @throws IOException
*/
private void deposit() throws IOException {
byte[] buffer = new byte[512];
System.out.print("请输入您要存入的金额:￥");
int count2 = System.in.read(buffer);// 返回实际读取的字节数
System.out.print("您输入的金额是:");
for (int i = 0; i count2 - 1; i++) {
System.out.print("" + (char) buffer[i]);
}
System.out.println();
// 字符0 ~ 9对应ASCII值48 ~ 57
boolean flag = false;
for (int i = 0; i count2 - 1; i++) {
if ((char) buffer[i] 47 (char) buffer[i] 58) {
if (i == count2 - 2) {
flag = true;
}
} else {
// 输入的字符不是数值
System.out.println("输入不合法，请重新输入");
withdrawal();
break;
}
}
System.out.println();
if (flag) {
System.out.print("您已成功存入￥:");
String num = "";
for (int i = 0; i count2 - 1; i++) {
System.out.print("" + (char) buffer[i]);
num += (char) buffer[i];
}
yue += Double.valueOf(num);
System.out.print("，现在余额￥:" + yue);
}
}
}
Java编写的模拟ATM取款机程序/*** @version 1.0
* @author Devil_Angel
* 该程序的功能为实现模拟银行ATM自动取款机提款,查询等功能.
*
*/import java.io.*;/*该类为实现客户信息及部分功能*/
class Account {
private String code =null; //信用卡号
private String name =null; //客户姓名
private String password=null; //客户密码
private double money =0.0; //卡里金额
/********************/
public Account(String code,String name,String password,double money)
{
this.code=code;
this.name=name;
this.password=password;
this.money=money;
}
protected String get_Code() {
return code;
}
protected String get_Name() {
return name;
}
protected String get_Password() {
return password;
}
public double get_Money() {
return money;
}
/*得到剩余的钱的数目*/
protected void set_Balance(double mon) {
money -= mon;
}
}/**********实现具体取款机功能*********/
class ATM {
Account act;
// private String name;
// private String pwd;
public ATM() {
act=new Account("000000","Devil","123456",50000);
}
/***********欢迎界面***********/
protected void Welcome()
{
String str="---------------------------------";
System.out.print(str+"\n"+
"欢迎使用Angel模拟自动取款机程序.\n"+str+"\n");
System.out.print(" 1.取款."+"\n"+
" 2.查询信息."+"\n"+
" 3.密码设置."+"\n"+
" 4.退出系统."+"\n");
}
/**********登陆系统**********/
protected void Load_Sys() throws Exception
{
String card,pwd;
int counter=0;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
do {
System.out.println("请输入您的信用卡号:");
card=br.readLine();
System.out.println("请输入您的密码:");
pwd=br.readLine();
if(!isRight(card,pwd))
{
System.out.println("您的卡号或密码输入有误.");
counter++;
}
else
SysOpter();
}while(counter3);
Lock_Sys();
}
/**********系统操作**********/
protected void SysOpter() throws Exception
{
int num;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("请选择您要操作的项目(1-4):");
num=br.read(); //num为ASICC码转换的整数
switch(num) {
case 49: BetBalance(); break;
case 50: Inqu_Info(); break;
case 51: Set_Password(); break;
case 52: Exit_Sys(); break;
}
System.exit(1);
}
/**********信息查询**********/
protected void Inqu_Info() {
System.out.print("---------------------\n"+
act.get_Code()+"\n"+
act.get_Name()+"\n"+
act.get_Money()+"\n"+
"-----------------------");
}
/**********取款**********/
public void BetBalance() throws Exception
{
String str=null,str1;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
do {
System.out.println("请输入您要取的数目:");
str=br.readLine();
str1=String.valueOf(act.get_Money());
if(str.compareTo(str1)0) {
System.out.println("超过已有的钱数,请重新输入您要取的数目:");
}
else {
/*操作成功*/
// act.set_Balance(str);
System.out.println("取款成功,请收好您的钱.");
Welcome();
SysOpter();
}
}while(true);
}
/**********判断卡内是否有钱**********/
protected boolean isBalance() {
if(act.get_Money()0) {
// System.out.println("对不起,您的钱数不够或卡已透支.");
return false;
}
return true;
}
/********卡号密码是否正确******/
protected boolean isRight(String card,String pwd)
{
if(act.get_Code().equals(card) act.get_Password().equals(pwd))
return true;
else
return false;
}
/**********密码修改**********/
protected void Set_Password() throws Exception
{
String pwd=null;
int counter=0;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
do {
System.out.println("请输入旧密码:");
pwd=br.readLine();
if(act.get_Password().equals(pwd))
{
do {
System.out.println("请输入新密码:");
String pwd1=br.readLine();
System.out.println("请再次输入新密码:");
String pwd2=br.readLine();
if(!pwd1.equals(pwd2))
{
System.out.println("两次输入不一致,请再次输入.");
}
else
{
System.out.println("密码修改成功,请使用新密码.");
Welcome();
SysOpter();
}
}while(true);
}
}while(counter3);
}
/**********锁定机器**********/
protected void Lock_Sys() {
System.out.println("对不起,您的操作有误,卡已被没收.");
System.exit(1);
}
/**********结束系统**********/
protected void Exit_Sys() {
System.out.println("感谢您使用本系统,欢迎下次在来,再见!");
System.exit(1);
}
}public class Text
{
public static void main(String[] args) throws Exception
{
ATM atm=new ATM();
atm.Welcome();
atm.Load_Sys();
// atm.Exit_Sys();
}
} //模拟ATM取款机工作流程 import java.util.Scanner;public class Atm {
public Atm() {
}
public static void main(String[] args) {
// TODO code application logic here
Scanner sc = new Scanner(System.in);
int password = 0;
int count = 0;
int choice = 0;
int type = 0;
int input = 0;
int acount = 1000;
boolean exit = false;
int flag = 0;
do{
System.out.println("请输入您的密码：");
password = sc.nextInt();
count++;
}while(password != 12345 count3);
if(password == 12345){
//密码正确继续后面的操作。
do{
System.out.println("请选择您的操作，1.查询 2.取款");
choice = sc.nextInt();
switch(choice){
case 1:
do{
System.out.println("请选择帐户类型：1. 美元 2. 人民币");
type = sc.nextInt();
if(type == 1){
System.out.println("You have $"+acount+"!");
}else if(type == 2){
System.out.println("您有"+acount+"圆!");
}else{
System.out.println("类型选择错误，请重新选择！");
}
System.out.println("1.继续 2.离开");
flag = sc.nextInt();
if(flag == 1){
exit = false;
}else{
exit = true;
}
}while(type!=1 type!=2);
break;
case 2: do{
System.out.println("请选择帐户类型：1. 美元 2. 人民币");
if(type == 1){
System.out.println("Please input number of your money!");
input = sc.nextInt();
if(input acount){
System.out.println("You have not enough money!");
}else{
System.out.println("You take care of your money!");
}
System.out.println("1.continue 2.exit");
flag = sc.nextInt();
if(flag == 1){
exit = false;
}else{
exit = true;
}
}else if(type == 2){
System.out.println("请输入您要取的金额!");
input = sc.nextInt();
if(input acount){
System.out.println("您的余额不足!");
}else{
System.out.println("请妥善保管您的钱!");
acount = acount - input;
}
System.out.println("1.继续 2.离开");
flag = sc.nextInt();
if(flag == 1){
exit = false;
}else{
exit = true;
}
}else{
System.out.println("类型选择错误，请重新选择！");
}
}while(type!=1 type!=2);
break;
default: System.out.println("类型选择错误，请重新选择！");
}
}while(choice!=1 choice!=2 || exit == false);
}else{
//密码错误，退出。
System.out.println("三次密码错误，吞卡！");
}
}
}
参考了别人的代码。略作修改，已经很简单了：
InfoATM.java：
public class InfoATM {
double money = 0;
public InfoATM(double cash) {
super();
this.money = cash;
}
// 存款的方法
public void save(double count) {
money += count;
}
// 取款的方法
public void draw(double count) {
money -= count;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}
}
TestATM.java:
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class TestATM extends JFrame {
private static final long serialVersionUID = 2531222181184935595L;
// 主面板pnBasic是用来装pnDate和标签文字的。
private JPanel pnBasic;
// 添加到主面板中的中间 pnDate面板是为了装表单的。
private JPanel pnDate;
// 添加到主面板中的北边 pnLabel面板是为了装欢迎词的
private JPanel pnLabel;
InfoATM atm = new InfoATM(0);
public TestATM() {
pnBasic = new JPanel();
// 主面板pnBasic是用来装pnDate和标签文字的。
pnDate = new JPanel(new GridLayout(2, 2));
// pnDate面板是为了装表单的。
pnLabel = new JPanel();
JLabel top = new JLabel("欢迎来到中国银行！");
pnLabel.add(top);
// 先将数值添加在一个容器中并设置其在容器的右边，在将容器添加在网格的第一格
JPanel jp1 = new JPanel();
JLabel number = new JLabel("数值：");
final JTextField box = new JTextField(5);
jp1.add(number);
jp1.add(box);
JPanel jp2 = new JPanel();
JButton create = new JButton("新建银行账户");
jp2.add(create);
JButton take = new JButton("取款");
JButton in = new JButton("存款");
pnDate.add(jp1);
pnDate.add(jp2);
pnDate.add(take);
pnDate.add(in);
// 加一句下面的就好了
JPanel jpS = new JPanel();
final JLabel total = new JLabel("您现在的账户余额是：0 元");
jpS.add(total);
pnBasic.setLayout(new BorderLayout());
pnBasic.add(pnLabel, BorderLayout.NORTH);
pnBasic.add(pnDate, BorderLayout.CENTER);
pnBasic.add(jpS, BorderLayout.SOUTH);
setContentPane(pnBasic);
setBounds(400, 250, 500, 500);
pack();
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
setVisible(true);
pack();
in.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (box.getText() != null box.getText() != "") {
try {
double count = Double.parseDouble(box.getText());
if (count 0) {
atm.save(count);
total.setText("您现在的账户余额是：" + atm.getMoney() + "元");
box.setText("");
}
} catch (Exception e1) {
System.out.println("您输入的数值必须是数字");
}
}
}
});
take.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (box.getText() != null box.getText() != "") {
try {
double count = Double.parseDouble(box.getText());
if (count = 0 count = atm.getMoney()) {
atm.draw(count);
total.setText("您现在的账户余额是：" + atm.getMoney() + "元");
box.setText("");
} else {
System.out.println("你的余额不足，取款失败");
}
} catch (Exception e1) {
System.out.println("您输入的数值必须是数字");
}
}
}
});
create.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
total.setText("您现在的账户余额是：0元");
atm.setMoney(0);
box.setText("");
}
});
}
public static void main(String[] args) {
new TestATM();
}
}
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