资源描述
BAM银行账户管理系统(ATM管理系统)
本系统采取JAVA语言并在eclipse环境下编写测试完成,包含类概念,和面向对象几大特征(继承,封装,多态,抽象),也有异常处理机制,采取集合(愈加好)存放账户数据,基础能够满足大多数BAM系统相关实现,且代码内标注大量注释,读者能够很轻松地了解相关逻辑,大家能够快乐参考。
系统介绍:
特点:采取窗口界面风格,而不是传统命令行、控制台运作模式
1、JAVA类面相对象应用,拥有异常处理机制,不会因为输入错误而造成程序瓦解
2、关键有7个类,即①Account(账户类)
②SaveAccount(储蓄账户类):不能透支
③CreditAccount(信用账户类):能够透支
④Bank(银行类)
⑤ATMOpenAccountFrame(开户窗口页面)
⑥ATMLoginFrame(登录窗口页面)
⑦ATMMainFrame(操作窗口页面)
带有完善相关信息提醒弹出窗口 见下面截图
类具体属性级行为见代码
3、各个类之间相互关系,包含继承、封装、多态、抽象,在多态中又包含重载和重
写,请读者注意相关联络(关注注释)
4、能够实现数据保留功效,数据将保留在文件中(即当你注册了一个账户,下次再登
陆系统时,能够实现和上次最终操作相衔接)
5、账户号自动生成,比较符合现实
6、关键功效有:1.开户
2.查询账户余额
3.存款
4.取款
5.转账(一个账户到另一个账户)等……
7、运行时界面简示
1.初始界面(账户登录)
2.账户登录后界面
3.相关信息提醒一览(只列举一部分)
1、查询: 2、存款:
3、取款:
4、转账:
4、用户开户界面:
注意事项:
1、本系统采取编程环境是JDK1.7,jer7。所以,运行代码需要保持电脑上所装JDK为1.7以上版本,如有报错,只需换个高一点版本即可。注意:第一次装JDK,要配置环境变量(请查阅相关资料,比较简单)
2、本系统代码包含到包,所以假如报名不一致就会报错,处理方法:修改一下包名即可
3、提议把各个类写在同一个包下面,且每一个类单独写一个java文件,以下图:
4、在运行程序前,需要在项目下面新建一个account.txt(用来保留数据)文件(如上图),并在其中写入最少一个账户信息,(以下图,其中每项代表意思,请读者参考代码内注释),不然在初始化时候会因为找不到账户信息,从而产生异常。
系统源码:
Account类
package com.qx;
import javax.swing.JOptionPane;
/**
* 账户类:包含两种账户类型-->1.储蓄账户 2.信用账户
*/
public abstract class Account {
//属性
protected long id;
protected String password;
protected String name;
protected String personId;
protected String accountType;
protected double balance;
//结构方法
public Account(){
super();
}
public Account(long id, String password, String name, String personId,
String type,double balance) {
super();
this.id = id;
this.password = password;
this.name = name;
this.personId = personId;
this.accountType = type;
this.balance = balance;
}
//getXxx,setXxx方法
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPersonId() {
return personId;
}
public void setPersonId(String personId) {
this.personId = personId;
}
public String getAccountType() {
return accountType;
}
public void setAccountType(String accountType) {
this.accountType = accountType;
}
public double getBalance() {
return balance;
}
public void setBalance(double balance) {
this.balance = balance;
}
/**
* 存款
*/
public void deposit(double money){
balance += money;
}
/**
* 取款(取款方法由账户类型决定,所以设为抽象方法,对应Account类应设为抽象类)
*/
public abstract void withdraw(double money);
}
SavingAccount类
package com.qx;
import javax.swing.JOptionPane;
/**
* 储蓄账户类
*/
public class SavingAccount extends Account {
//结构函数
public SavingAccount() {
super();
}
public SavingAccount(long id, String password, String name,
String personId,String accountType, double balance) {
super(id, password, name, personId, accountType, balance);
}
//对父类withdraw()实现
public void withdraw(double money){
if(balance < money){
/*System.out.println("对不起,账户余额不足!");*/
JOptionPane.showMessageDialog(null, "对不起,账户余额不足!",
"信息提醒",JOptionPane.ERROR_MESSAGE);
}
else
{
balance -= money;
}
}
}
CresitAccount类
package com.qx;
import javax.swing.JOptionPane;
/**
* 信用账户类,增加一个信用额度ceiling属性
*/
public class CreditAccount extends Account{
private int ceiling;
//结构函数
public CreditAccount(){
super();
}
public CreditAccount(long id, String password, String name,
String personId,String accountType, double balance, int ceiling){
super(id, password, name, personId, accountType, balance);
this.ceiling = ceiling;
}
//getXxx,setXxx方法
public int getCeiling() {
return ceiling;
}
public void setCeiling(int ceiling) {
this.ceiling = ceiling;
}
//实现父类withdraw()
public void withdraw(double money){
if((balance + ceiling) < money){
/*System.out.println("对不起,已超出您信用额度!");*/
JOptionPane.showMessageDialog(null, "对不起,已超出您信用额度!",
"信息提醒",JOptionPane.ERROR_MESSAGE);
}
else
{
balance -= money;
}
}
}
Bank类
package com.qx;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import javax.swing.JOptionPane;
/**
* Bank类
* 编写Bank类,属性:
1.目前全部账户对象集合,存放在数组中
2.目前账户数量
方法:
1.用户开户,需要参数:id,密码,密码确定,姓名,身份证号码,账户类型,返回新创建Account对象账号,
提醒:用s1.equals(s2) 能够比较s1,s2两个字符串值是否相等.账户类型是一个整数,为0时候表示储蓄账户,为1时候表示信用账户
2.用户登录,参数:id,密码 返回登录账户账号
3.用户存款,参数:id,存款数额,返回void
4.用户取款,参数:id,取款数额,返回void
5.查询余额,参数:id,返回该账户余额 double
用户会经过调用Bank对象以上方法来操作自己账户,请分析各个方法需要参数
*/
public class Bank {
/*private Account[] accounts = new Account[20];*/
private List accountsList;
private int number;//账户数目
private int id = 1001;//确定银行账号从1001开始生成,即第一个账户账号是1001
//结构函数
public Bank(){
accountsList=new ArrayList<Account>();
number = 0;
BufferedReader bufReader = null;
Properties props=System.getProperties();
String path=props.getProperty("user.dir");
try {
bufReader=new BufferedReader(new FileReader(new File(path,"account.txt")));
String s = bufReader.readLine();
while(s != null){
String[] str = s.split(",");
if(str[4].equals("0"))
{
Account savingAcc = new SavingAccount(Long.parseLong(str[0]),
str[1].toString(), str[2].toString(),
str[3].toString(),str[4].toString(),
Double.parseDouble(str[5]));
accountsList.add(savingAcc);
}
else
{
Account creditAcc = new CreditAccount(Long.parseLong(str[0]),
str[1].toString(), str[2].toString(),
str[3].toString(),str[4].toString(),
Double.parseDouble(str[5]),5000);
accountsList.add(creditAcc);
}
number ++;
id++;
s = bufReader.readLine();
}
} catch (NumberFormatException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
if(bufReader != null)
{
bufReader.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
//getXxx,setXxx
public List getAccounts() {
return accountsList;
}
public void setAccounts(List accounts) {
this.accountsList = accounts;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
/**
* 开户
*/
public Account openAccount(String passwd1, String passwd2, String name,
String personId, String type){
//创建一个新账户
Account account = null;
//判定两次密码是否一致
if(passwd1.equals(passwd2)){
//若一致,再判定账户类型(依据type值)
if(type.equals("1")){
//可令开始余额为10,信用额度为5000
account = new CreditAccount(id, passwd1, name, personId, type, 10, 5000);
}
else
{
account = new SavingAccount(id, passwd1, name, personId, type, 10);
}
//将账户存入账户集合accountsList中
accountsList.add(account);
JOptionPane.showMessageDialog(null, "开户成功!!!","信息提醒",
JOptionPane.INFORMATION_MESSAGE);
JOptionPane.showMessageDialog(null, "您卡号为:"+id+"\n"+
"您密码为:"+passwd1+"\n"+"您户名为:"+name+"\n"+
"您身份证号为:"+personId+"\n"+"您账户类型为:"+type+"\n","信息提醒",
JOptionPane.INFORMATION_MESSAGE);
account.accountType = type;
number++;
id++;
return account;//此时开户成功
}
else
{
JOptionPane.showMessageDialog(null, "对不起!您两次密码输入不匹配,开户失败!!!",
"信息提醒",JOptionPane.ERROR_MESSAGE);
return null;//此时开户失败
}
}
/**
* 保留数据
*/
public void saveAccountDate(){
BufferedWriter bufWriter=null;
try {
Properties props=System.getProperties();
String path=props.getProperty("user.dir");
String s = null;
bufWriter=new BufferedWriter(new FileWriter(new File(path,"account.txt")));
for(Iterator iterator = accountsList.iterator();iterator.hasNext();)
{ //若存在账户
Account acc = (Account) iterator.next();
//写入账户信息到account.txt
bufWriter.write(acc.id+",");
bufWriter.write(acc.getPassword()+",");
bufWriter.write(acc.getName()+",");
bufWriter.write(acc.getPersonId()+",");
bufWriter.write(acc.getAccountType()+",");
bufWriter.write(Double.toString(acc.getBalance()));
bufWriter.newLine();
}
bufWriter.flush();//清空缓存中内容
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
if(bufWriter!=null){
bufWriter.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* 登录验证
*/
public Account verifyAccount(long id, String password){
Account account = null;
Account acc = null;
for(Iterator iterator = accountsList.iterator(); iterator.hasNext();)
{ //若存在账户
acc = (Account) iterator.next();
if (acc != null) {
if (id == acc.getId() && password.equals(acc.getPassword())) {
account = acc;
break;
}
}
else
{
break;
}
}
return account;
}
/**
* 转账验证(方法重载)
*/
public Account verifyAccount(long id){
Account account = null;
Account acc = null;
for(Iterator iterator = accountsList.iterator(); iterator.hasNext();)
{ //若存在账户
acc = (Account) iterator.next();
if (acc != null) {
if (id == acc.getId()) {
account = acc;
break;
}
}
else
{
break;
}
}
return account;
}
/**
* 转账
*/
public void transferAccount(Account account1, Account account2, double money){
account1.withdraw(money);
account2.deposit(money);
}
/**
* 存款
*/
public void deposit(Account account, double money){
account.deposit(money);
}
/**
* 取款
*/
public void withdraw(Account account, double money){
account.withdraw(money);
}
}
ATMLoginFrame类
package com.qx;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Toolkit;
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.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class ATMLoginFrame extends JFrame{
private JLabel jblCardNo,jblPasswd;
private JTextField jtfCardNo,jtfPasswd;
private JButton jbOk,jbCancel,jbOpenAccount;
private JPanel jp1,jp2,jp3,jp4;
private Bank bank;
public ATMLoginFrame(){
bank=new Bank();
//实例化全部组件
jblCardNo=new JLabel("用户名:");
jblPasswd=new JLabel("密 码:");
jtfCardNo=new JTextField(20);
jtfPasswd=new JTextField(20);
jbOk=new JButton("确定");
jbCancel=new JButton("取消");
jbOpenAccount=new JButton("没有账户,开户");
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.add(jblCardNo);
jp1.add(jtfCardNo);
jp2.add(jblPasswd);
jp2.add(jtfPasswd);
jp3.add(jbOk);
jp3.add(jbCancel);
jp4.add(jbOpenAccount);
//将每行逐行添加到frame中
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(jp4);
this.setLayout(new GridLayout(4, 1));//取消默认管理器,设置为3行1列网格布局
Dimension d=Toolkit.getDefaultToolkit().getScreenSize();
this.setTitle("登陆界面");
this.setBounds((d.width-300)/2, (d.height-200)/2, 300, 200);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置关闭窗口时JVM同时推出
this.pack();//调整窗口至能容纳组件最小尺寸
this.setVisible(true);//设置窗口可见
this.setResizable(false);//不能最大化
//使用匿名内部类给2个按钮注册监听器
jbCancel.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent e) {
dispose();//关闭窗口
}
}
);
jbOk.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent e) {
//取出用户界面输入用户名和密码
long cardNo=Integer.parseInt(jtfCardNo.getText());
String passwd=jtfPasswd.getText();
//调用Bank相关方法将二者和正确做比对
Account account=bank.verifyAccount(cardNo, passwd);
if(account!=null)//假如正确,进入操作界面
{
ATMMainFrame mainFrame=new ATMMainFrame(bank,account);//进入操作界面
dispose();//关闭登陆界面
}else{//假如错误,使用对话框提醒错误信息
JOptionPane.showMessageDialog(null, "卡号或密码错误", "信息提醒",JOptionPane.ERROR_MESSAGE);
}
}
}
);
jbOpenAccount.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
ATMOpenAccountFrame openFram=new ATMOpenAccountFrame();
dispose();//关闭登陆界面
}
}
);
}
/**
* @param args
*/
public static void main(String[] args) {
ATMLoginFrame atm=new ATMLoginFrame();
}
}
ATMMainFrame类
package com.qx;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class ATMMainFrame extends JFrame {
private Account account;
private Bank bank;
private JButton jbDeposit,jbWithdraw,jbCancel,jbQuery,jbTransfer;
private JLabel jblMsg,jblName;
private JPanel jp1,jp2,jp3,jp4;
/**
* @param args
*/
public ATMMainFrame(final Bank bank,Account tmpA){
this.account=tmpA;
this.bank=bank;
jbQuery=new JButton("查询");
jbDeposit=new JButton("存款");
jbWithdraw=new JButton("取款");
jbTransfer=new JButton("转账");
jbCancel=new JButton("退卡");
jblName=new JLabel("账户姓名: "+account.getName());
jblMsg=new JLabel();
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jp4=new JPanel();
jp1.add(jbQuery);
jp1.add(jbDeposit);
jp2.add(jbWithdraw);
jp2.add(jbTransfer);
jp3.add(jbCancel);
jp4.add(jblName);
jp4.add(jblMsg);
//将每行逐行添加到frame中
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(jp4);
this.setLayout(new GridLayout(4, 1));//取消默认管理器,设置为4行1列网格布局
Dimension d=Toolkit.getDefaultToolkit().getScreenSize();
this.setTitle("操作界面");
this.setBounds((d.width-300)/2, (d.height-200)/2, 300, 200);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置关闭窗口时JVM同时推出
//this.pack();//调整窗口至能容纳组件最小尺寸
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