Java课程设计之银行管理系统(实现GUI可视化+IO流储存数据)

本人学校在大二时有Java课程设计,本打算在网上找一个简单的银行管理系统借鉴一下,后来得知老师要求要实现可视化,在网上多次查找没有理想的可视化银行管理系统,无奈花费一星期自学了GUI方面的代码,课上老师也没有教过。经过一个多星期的奋战,解决了很多问题,最终完成此系统。闲来无事就想把代码分享出来,供学弟学妹们借鉴,如果觉得有帮助,希望可以点赞,如果经济富裕可以打赏,感激不尽。

(图片为部分运行结果)

代码初期想分为多个类,后来发现跳转界面时会出现很多问题,就把所有可视化代码放在一个类中,数据类单独写出来,应该还是比较精简易懂。其中可视化部分纯手工打造,数据类有所借鉴。运行代码之前需要在eclipse上下载swing插件。

此银行管理系统分为人工服务和ATM服务,功能划分可能不太合理,不过功能应该是很齐全。人工服务可以创建银行卡和登录银行卡。ATM服务可以登录和修改密码。具体功能包括取钱、存钱、查询操作记录。查询操作记录是根据本机时间生成记录。创建银行卡会生成ｔｘｔ文件，信息保存在ｔｘｔ文件中，如果正常使用肯定是不安全的，等以后再完善。

　首先是用户信息类

Ａccount.java

package data;
//import com.sun.deploy.util.SyncFileAccess;
import com.sun.org.apache.regexp.internal.RE;import GUI.demo1;import javax.swing.*;
import  java.io.*;
import java.text.SimpleDateFormat;
import  java.util.*;public class Account {public int money;public String id;//账号名public String Name;//姓名public String PhoneNumber;//手机号public String IdCard;//身份证public String password;Date now=new Date();Date currentTime;SimpleDateFormat formatter;Reader fr;;public Account(String id, String password, String money) {//构造方法this.id = id;this.password = password;this.money=Integer.parseInt(money);}public void outMoney (int money)throws Exception {//抛出异常，由相关的界面类弹窗处理异常,下面几个方法同理//如在取钱界面取钱，则会调用此函数，进行try/catch处理，获得这个函数的异常，弹窗说明异常if (money > this.money) {throw new Exception("余额不足");}if(money<0){throw new Exception("不能取出负数");}formatter = new SimpleDateFormat("yy-MM-dd HH:mm:ss");//时间格式currentTime = new Date();//当前时间String dateString = formatter.format(currentTime);//处理当前时间格式Writer fw = new FileWriter(demo1.file);fw.write(demo1.recordString.append(dateString + "\t" + demo1.currentAccount.id + "\t取出" + money + "元\r\n").toString());//将这次的取钱行为添加到记录文件中fw.flush();//写进文件fw.close();this.money -= money;demo1.usersListUpdate();//更新用户文档（信息）}public void inMoney(int money)throws Exception{try {Writer fw = new FileWriter(demo1.file);// System.out.println(Test.file);formatter = new SimpleDateFormat("yy-MM-dd HH:mm:ss");currentTime=new Date();String dateString=formatter.format(currentTime);fw.write(demo1.recordString.append(dateString+"\t"+demo1.currentAccount.id+"\t存入" + money + "元\r\n").toString());fw.flush();//写进文件fw.close();this.money+=money;demo1.usersListUpdate();//更新当前用户信息}catch (Exception e1){throw new Exception("写入记录失败");}}public void ChangePassword(String newPassword)throws Exception{if(newPassword.equals(this.password)){throw new Exception("原密码和新密码不能一样");}else{if(newPassword.equals("")){throw new Exception("密码不能为空");}}password=newPassword;demo1.usersListUpdate();}}

然后就是最主要的可视化部分代码,可能有些长,但是都有注释,各个功能模块都有分开写,如果有看不懂可以私聊我.

demo1.java

package GUI;import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;import javax.swing.AbstractButton;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;import data.Account;public class demo1  {public static List<Account> usersList;public static Account currentAccount;//登录的用户public static File file;//当前用户的记录文件public static StringBuilder recordString=new StringBuilder();//登录后读取文本中的记录，然后和recordString拼接public static File usersFile;public static StringBuilder usersString=new StringBuilder();Boolean regirsterable=true;//控制是否能注册的变量static Reader fw;public static void main(String[] args)throws Exception {usersList = new ArrayList<Account>();/**********************用户文本**********************/File users = new File("users.txt");if (!users.exists()) {try {users.createNewFile();Writer fw = new FileWriter("users.txt");fw.write("6000  12345  8888");fw.flush();fw.close();} catch (Exception e1) {JOptionPane.showMessageDialog(null, "创建用户文档失败");}}usersFile = users;//创建用户文档，存储用户账户，密码，余额信息;usersListRead();usersListUpdate();// TODO Auto-generated method stubSwingUtilities.invokeLater(() -> zhujiemian());}public static void usersListRead(){/**********************按照用户文档读取用户列表并创建所有用户**********************//**********************并写入list**********************/try {fw = new FileReader("users.txt");//字符流} catch (Exception e) {System.out.println("字符流创建失败");}BufferedReader bfr = new BufferedReader(fw);String temp = "";try {System.out.println("开始写入list");while ((temp = bfr.readLine()) != null) {//不知为何读取出的字符串中最前面会出现NullString[] tmpstr = new String[5];tmpstr = temp.split("\\s+");//分割空格System.out.println("余额：" + tmpstr[2]);Account a = new Account(tmpstr[0], tmpstr[1], tmpstr[2]);usersList.add(a);System.out.println("读取到"+a.id+",实例化用户" + a.id);}bfr.close();fw.close();System.out.println("用户list:"+usersList);} catch (Exception e) {System.out.println("读取用户文档失败");}}public static void usersListUpdate(){/**********************按照list内容写入文本用户信息**********************/try {Writer fw = new FileWriter("users.txt");StringBuilder tmpstr = new StringBuilder();for (int i = 0; i < usersList.size(); i++) {tmpstr.append(usersList.get(i).id + "    " + usersList.get(i).password + "    " + usersList.get(i).money + "\r\n");}fw.write(tmpstr.toString());fw.flush();fw.close();}catch (Exception e){e.printStackTrace();System.out.println("更新用户失败");}}private static  void zhujiemian() {JFrame jf = new JFrame("银行管理系统2.0");jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.setBounds(0, 0, 2030, 1980);jf.setResizable(false);jf.setVisible(true);//流式布局jf.setLayout(new FlowLayout(FlowLayout.CENTER,2030,150));JLabel label1 = new JLabel("---欢迎进入梦奇银行---",JLabel.CENTER);label1.setFont(new Font("宋体",Font.BOLD,60));JButton btn1 = new JButton("人工服务");btn1.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("ATM 服务");btn2.setFont(new Font("宋体",Font.PLAIN,40));JButton btn3 = new JButton("退出银行");btn3.setFont(new Font("宋体",Font.PLAIN,40));jf.add(label1);//加入rg1的监听jf.add(btn1);btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jf.dispose();// TODO Auto-generated method stubrg1();  }});//加入atm1的监听jf.add(btn2);btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf.dispose();atm1();}});jf.add(btn3);btn3.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jf.dispose();}});}//进入人工服务private static void rg1() {JFrame jf2 = new JFrame("银行管理系统2.0");jf2.setVisible(true);jf2.setBounds(0, 0, 2030, 1980);jf2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf2.setLayout(new FlowLayout(FlowLayout.CENTER,2030,150));JLabel label2 = new JLabel("---梦奇银行---",JLabel.CENTER);label2.setFont(new Font("宋体",Font.BOLD,50));JButton btn1 = new JButton("创建银行卡");btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubRegister();jf2.dispose();;}});btn1.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("登录银行卡");btn2.setFont(new Font("宋体",Font.PLAIN,40));JButton btn3 = new JButton("返回");btn3.setFont(new Font("宋体",Font.PLAIN,40));jf2.add(label2);jf2.add(btn1);//加入验证登录jf2.add(btn2);btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf2.dispose();VerifyEqual();}});jf2.add(btn3);btn3.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jf2.dispose();zhujiemian();}});}//创建银行卡private static void Register() {JFrame jf2 = new JFrame("银行管理系统2.0");jf2.setVisible(true);jf2.setBounds(0, 0, 2030, 1980);jf2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf2.setLayout(new FlowLayout(FlowLayout.CENTER,2030,150));JLabel label1 = new JLabel("---梦奇银行---",JLabel.CENTER);label1.setFont(new Font("宋体",Font.BOLD,50));JPanel p0=new JPanel();JPanel p1=new JPanel();JPanel p2=new JPanel();JPanel p3=new JPanel();JLabel label2 = new JLabel("\t卡  号");label2.setFont(new Font("宋体",Font.BOLD,30));JTextField text1 = new JTextField(30);text1.setFont(new Font("宋体",Font.BOLD,30));JLabel label3 = new JLabel("\t密  码");label3.setFont(new Font("宋体",Font.BOLD,30));JPasswordField text2 = new JPasswordField(30);text2.setFont(new Font("宋体",Font.BOLD,30));JButton btn1 = new JButton("注 册");btn1.setFont(new Font("宋体",Font.PLAIN,40));jf2.add(p0);p0.add(label1);jf2.add(p1);p1.add(label2);p1.add(text1);jf2.add(p2);p2.add(label3);p2.add(text2);jf2.add(p3);p3.add(btn1);btn1.addActionListener(new ActionListener() {@SuppressWarnings("deprecation")@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubBoolean regirsterable=true;//控制是否能注册的变量if(regirsterable==true) {if (text1.getText().equals(""))//如果userName的文本是空{JOptionPane.showMessageDialog(jf2, "用户名不能为空");//弹窗return;}}for (int i = 0; i < usersList.size(); i++) {if (usersList.get(i).id.equals(text1.getText())) {JOptionPane.showMessageDialog(jf2, "该用户已被注册");text1.setText("");//清空输入框text2.setText("");return;//如果同名，结束方法，不在运行下面的语句}}if (text1.getText().equals("")) {JOptionPane.showMessageDialog(jf2, "密码不能为空，请重新输入");return;} else {if (text2.getText()!=null) {Account registeraccount = new Account(text1.getText(), text2.getText(), "0");//实例化此账号JOptionPane.showMessageDialog(jf2, "注册成功，请登录");demo1.usersList.add(registeraccount);//加入Test类的静态用户listdemo1.usersListUpdate();//更新用户文档jf2.dispose();rg1();}                            }}});}//进入ATM机服务private static void atm1(){JFrame jf3 = new JFrame("银行管理系统2.0");jf3.setVisible(true);jf3.setBounds(0, 0, 2030, 1980);jf3.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf3.setLayout(new FlowLayout(FlowLayout.CENTER,2030,150));JLabel label2 = new JLabel("---梦奇银行---",JLabel.CENTER);label2.setFont(new Font("宋体",Font.BOLD,50));JButton btn1 = new JButton("更改密码");btn1.setFont(new Font("宋体",Font.PLAIN,40));//更改密码监听器btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf3.dispose();ChangePassword();}});JButton btn2 = new JButton("登录系统");btn2.setFont(new Font("宋体",Font.PLAIN,40));JButton btn3 = new JButton("返回");btn3.setFont(new Font("宋体",Font.PLAIN,40));jf3.add(label2);jf3.add(btn1);//登录系统监听器jf3.add(btn2);btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf3.dispose();VerifyEqual();}});//返回上一级jf3.add(btn3);btn3.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jf3.dispose();zhujiemian();}});}//更改密码private static void ChangePassword() {JFrame iframe=new JFrame("更改密码");iframe.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);iframe.setLayout((new FlowLayout(FlowLayout.CENTER,2030,150)));JPanel ip2=new JPanel();JLabel label1 =new JLabel("原密码:");ip2.add(label1);label1.setFont(new Font("宋体",Font.PLAIN,40));JTextField oldPassword=new JTextField(20);oldPassword.setFont(new Font("宋体",Font.PLAIN,40));ip2.add(new JLabel("<html><br/><html>"));//换行ip2.add(oldPassword);JPanel ip0=new JPanel();JLabel label2 =new JLabel("新密码:");ip2.add(label2);label2.setFont(new Font("宋体",Font.PLAIN,40));ip0.add(label2);JTextField newPassword=new JTextField(20);newPassword.setFont(new Font("宋体",Font.PLAIN,40));ip0.add(new JLabel("<html><br/><html>"));//换行ip0.add(newPassword);JPanel ip4=new JPanel();JLabel label3 =new JLabel("再次输入新密码:");label3.setFont(new Font("宋体",Font.PLAIN,40));ip4.add(label3);JTextField checkPassword=new JTextField(20);checkPassword.setFont(new Font("宋体",Font.PLAIN,40));ip4.add(new JLabel("<html><br/><html>"));//换行ip4.add(checkPassword);JPanel  ip3=new JPanel();JButton confirm=new JButton("确定");confirm.setFont(new Font("宋体",Font.PLAIN,40));ip3.add(confirm);JButton cancel=new JButton("返回");cancel.setFont(new Font("宋体",Font.PLAIN,40));ip3.add(cancel);iframe.add(ip2);iframe.add(ip0);iframe.add(ip4);iframe.add(ip3);iframe.setVisible(true);iframe.setBounds(0,0,2030,1980);//确定修改密码confirm.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubif (currentAccount.password.equals(oldPassword.getText())) {try {if(newPassword.getText().equals(checkPassword.getText())) {currentAccount.ChangePassword(newPassword.getText());JOptionPane.showMessageDialog(null, "更改密码成功");return;}else{JOptionPane.showMessageDialog(null, "两次输入的密码不一致");}}catch (Exception e1) {//捕获账户类中更改密码函数的异常并弹窗显示JOptionPane.showMessageDialog(null, e1.getMessage());}} else {JOptionPane.showMessageDialog(null, "原密码错误");}}});cancel.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubiframe.dispose();atm1();}});}//验证登录界面private static void VerifyEqual() {JFrame jf5 = new JFrame("登录");jf5.setVisible(true);jf5.setBounds(0, 0, 2030, 1980);jf5.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf5.setLayout(new FlowLayout(FlowLayout.CENTER,2030,150));JPanel p0=new JPanel();JPanel p1=new JPanel();JPanel p2=new JPanel();JPanel p3=new JPanel();jf5.add(p0);jf5.add(p1);jf5.add(p2);jf5.add(p3);p3.setLayout(new FlowLayout(FlowLayout.CENTER,500,0));JLabel label1 = new JLabel("登 录");label1.setFont(new Font("宋体",Font.BOLD,70));JLabel label2 = new JLabel("\t卡  号");label2.setFont(new Font("宋体",Font.BOLD,30));JTextField text1 = new JTextField(30);JLabel label3 = new JLabel("\t密  码");label3.setFont(new Font("宋体",Font.BOLD,30));JPasswordField text2 = new JPasswordField(30);Button btn1 = new Button("登 录");btn1.setFont(new Font("宋体",Font.BOLD,50));Button btn2 = new Button("返 回");btn2.setFont(new Font("宋体",Font.BOLD,50));p0.add(label1);p1.add(label2);p1.add(text1);p2.add(label3);p2.add(text2);p3.add(btn1);p3.add(btn2);btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf5.dispose();atm1();}});btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf5.dispose();if(e.getActionCommand().equals("登 录")){for (int i = 0; i < usersList.size(); i++) {if (usersList.get(i).id.equals(text1.getText())) {if(text2.getText().equals(usersList.get(i).password)){JOptionPane.showMessageDialog(jf5, "登录成功");currentAccount=usersList.get(i);//将list中符合登陆输入的账户密码的类设为当前Test类中的静态的“当前类”，以便后面各种操作;file=new File(currentAccount+".txt");recordString=new StringBuilder();//清空，避免将上一个用户的记录写进新登录的用户中//Test.recordString.append("");//避免recordString空指针menu();//实例化菜单窗口jf5.dispose();//隐藏登陆窗口/************************创建记录文件**********************/File records = new File(currentAccount.id+".txt");//以账户id命名if(!records.exists()){try {records.createNewFile();}catch (Exception e1){JOptionPane.showMessageDialog(null, "创建该用户的记录失败");}}file=records;/*****************读取记录文件************/try {fw = new FileReader(file);//字符流}catch (Exception e1){JOptionPane.showMessageDialog(null, "读取记录失败");}BufferedReader bfr=new BufferedReader(fw);String temp="";try {while ((temp = bfr.readLine()) != null) {//不知为何读取出的字符串中最前面会出现Null，但不影响使用recordString .append(temp);//读取原先该账户的记录的每一行并拼接到recordString中，输出作为查询记录的结果}//将记录读取并合并为一个字符串fw.close();}catch (Exception e1){System.out.println("读取记录过程中出现错误");} return;}else{JOptionPane.showMessageDialog(jf5, "密码错误");text2.setText("");VerifyEqual();}}}JOptionPane.showMessageDialog(jf5, "该用户不存在");}}});}//功能菜单界面private static void menu() {JFrame jf4 = new JFrame("银行管理系统2.0");jf4.setVisible(true);jf4.setBounds(0, 0, 2030, 1980);jf4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf4.setLayout(new FlowLayout(FlowLayout.CENTER,2030,120));JLabel label2 = new JLabel("---梦奇银行---",JLabel.CENTER);label2.setFont(new Font("宋体",Font.BOLD,50));JButton btn1 = new JButton("存钱");btn1.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("取钱");btn2.setFont(new Font("宋体",Font.PLAIN,40));JButton btn3 = new JButton("查询");btn3.setFont(new Font("宋体",Font.PLAIN,40));JButton btn5 = new JButton("返回");btn5.setFont(new Font("宋体",Font.PLAIN,40));jf4.add(label2);jf4.add(btn1);jf4.add(btn2);jf4.add(btn3);//添加存钱监听器btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();SaveMoney();}});//添加取钱监听器btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();OUTMoney();}});//添加查询监听器btn3.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();Inqury();}});//返回上一级jf4.add(btn5);
btn5.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jf4.dispose();atm1();}});}//存钱private static void SaveMoney() {JFrame jf4 = new JFrame("银行管理系统2.0");jf4.setVisible(true);jf4.setBounds(0, 0, 2030, 1980);jf4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf4.setLayout(new FlowLayout(FlowLayout.CENTER,2030,130));JPanel ip0=new JPanel();JPanel ip1=new JPanel();JPanel ip11=new JPanel();JPanel ip2=new JPanel();JPanel ip3=new JPanel();JLabel label2 = new JLabel("---梦奇银行---",JLabel.CENTER);label2.setFont(new Font("宋体",Font.BOLD,50));ip0.add(label2);JLabel label1 = new JLabel("账户余额:"+currentAccount.money,JLabel.CENTER);label1.setFont(new Font("宋体",Font.BOLD,40));ip11.add(label1);JLabel label3 = new JLabel("***请输入存款金额***",JLabel.CENTER);label3.setFont(new Font("宋体",Font.BOLD,40));ip1.add(label3);JTextField text = new JTextField(100);text.setFont(new Font("宋体",Font.BOLD,30));ip2.add(text);ip3.setLayout(new FlowLayout(FlowLayout.CENTER,500,0));JButton btn1 = new JButton("确 定");btn1.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("返 回");btn2.setFont(new Font("宋体",Font.PLAIN,40));ip3.add(btn1);ip3.add(btn2);jf4.add(ip0);jf4.add(ip1);jf4.add(ip11);jf4.add(ip2);jf4.add(ip3);btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {try {   currentAccount.inMoney(Integer.parseInt(text.getText()));//调用当前登陆账户的存钱函数JOptionPane.showMessageDialog(null, "存款成功");//弹窗label1.setText("账户余额:"+currentAccount.money);}catch (ClassCastException e1)//捕获当前登录账户中函数中的异常。类型转换异常{JOptionPane.showMessageDialog(null, "输入数据类型错误，请输入整数");}catch (Exception e1)//{JOptionPane.showMessageDialog(null, e1.getMessage());}}});btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();menu();}});}//取钱private static void OUTMoney() {JFrame jf4 = new JFrame("银行管理系统2.0");jf4.setVisible(true);jf4.setBounds(0, 0, 2030, 1980);jf4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf4.setLayout(new FlowLayout(FlowLayout.CENTER,2030,100));JPanel ip0=new JPanel();JPanel ip1=new JPanel();JPanel ip11=new JPanel();JPanel ip111=new JPanel();JPanel ip1111=new JPanel();JPanel ip2=new JPanel();JPanel ip3=new JPanel();JLabel label1 = new JLabel("---梦奇银行---",JLabel.CENTER);label1.setFont(new Font("宋体",Font.BOLD,50));ip0.add(label1);JLabel label2 = new JLabel("卡号:"+currentAccount.id,JLabel.CENTER);label2.setFont(new Font("宋体",Font.BOLD,30));JLabel label3 = new JLabel("账户余额:"+currentAccount.money,JLabel.CENTER);label3.setFont(new Font("宋体",Font.BOLD,30));ip1.add(label2);ip11.add(label2);ip111.add(label3);JLabel label4 = new JLabel("***请输入取款金额***",JLabel.CENTER);label4.setFont(new Font("宋体",Font.BOLD,30));ip1111.add(label4);JTextField text = new JTextField(100);text.setFont(new Font("宋体",Font.BOLD,30));ip2.add(text);ip3.setLayout(new FlowLayout(FlowLayout.CENTER,500,0));JButton btn1 = new JButton("确 定");btn1.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("返 回");btn2.setFont(new Font("宋体",Font.PLAIN,40));ip3.add(btn1);ip3.add(btn2);jf4.add(ip0);jf4.add(ip1);jf4.add(ip11);jf4.add(ip111);jf4.add(ip2);jf4.add(ip3);//添加取钱监听器btn1.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubtry {currentAccount.outMoney(Integer.parseInt(text.getText()));JOptionPane.showMessageDialog(null, "取款成功");//弹窗label3.setText("账户余额:"+currentAccount.money);//更新余额显示}catch (ClassCastException e1){JOptionPane.showMessageDialog(null, "输入数据类型错误，请输入整数");//捕获Test类中outmoney方法的异常}catch (Exception e1){JOptionPane.showMessageDialog(null, e1.getMessage());}}});//返回菜单btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();menu();}});}//查询功能private static void Inqury() {JFrame jf4 = new JFrame("梦奇银行查询");jf4.setVisible(true);jf4.setBounds(0, 0, 2030, 1980);jf4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf4.setLayout(new FlowLayout(FlowLayout.CENTER,2030,130));JPanel ip0=new JPanel();JLabel label1 = new JLabel("卡号:"+currentAccount.id);label1.setFont(new Font("宋体",Font.PLAIN,40));ip0.add(label1);JPanel ip1=new JPanel();JLabel yue=new JLabel("账户余额:"+currentAccount.money);yue.setFont(new Font("宋体",Font.PLAIN,40));ip1.add(yue);JPanel ip2=new JPanel();JPanel ip3=new JPanel();JTextArea inquryresult=new JTextArea(10,40);ip2.add(inquryresult);JButton confirm=new JButton("查询记录");confirm.setFont(new Font("宋体",Font.PLAIN,40));JButton btn2 = new JButton("返 回");btn2.setFont(new Font("宋体",Font.PLAIN,40));ip3.setLayout(new FlowLayout(FlowLayout.CENTER,500,0));ip3.add(confirm);ip3.add(btn2);jf4.add(ip0);jf4.add(ip1);jf4.add(ip2);jf4.add(ip3);confirm.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubinquryresult.setText(recordString.toString().replace("元","元\n").replace("null",""));//去除掉结果字符串中的null,并将元替换为元\r\n来换行换行yue.setText("账户余额:"+currentAccount.money);//更新显示余额}});//返回上一级btn2.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubjf4.dispose();menu();}});}
}

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