Java简单模拟ATM机

package cn.bank.UI; import java.awt.Graphics; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import cn.bank.action.CheckBalance; import cn.bank.action.UpdateBalance; import cn.bank.domin.CardInfo; public class WithdrawingMoneyUI extends JFrame { /** * 取款界面 */ // private JLabel srje;//输入金额 private JButton je1; private JButton je2; private JButton je3; private JButton je4; private JButton je5; private JButton qt; private JButton fh; private JButton qx; private JPanel panel; ImageIcon icon; // ImageIcon创建一个未初始化的图像图标。 // Image image; String cardID; public WithdrawingMoneyUI(String ss) { super("取款"); // setLayout(null); cardID = ss; icon = new ImageIcon("pics/a18.jpg"); panel = new JPanel() { protected void paintComponent(Graphics g) { g.drawImage(icon.getImage(), 0, 0, null); super.paintComponent(g); } }; panel.setOpaque(false); getContentPane().add(panel); panel.setLayout(null); // srje=new JLabel("请选择你需要提取的金额：（单次最高金额为5000元）"); // srje.setBounds(150, 0, 500, 100); je1 = new JButton("100"); je1.setBounds(80, 150, 130, 40); je1.addActionListener(new Kuanx()); je2 = new JButton("200"); je2.setBounds(380, 150, 130, 40); je2.addActionListener(new Kuanx()); je3 = new JButton("300"); je3.addActionListener(new Kuanx()); je3.setBounds(80, 215, 130, 40); je4 = new JButton("500"); je4.setBounds(380, 215, 130, 40); je4.addActionListener(new Kuanx()); je5 = new JButton("1000"); je5.setBounds(80, 280, 130, 40); je5.addActionListener(new Kuanx()); qt = new JButton("其他面额"); qt.setBounds(380, 280, 130, 40); qt.addActionListener(new Kuanx()); fh = new JButton("返回"); fh.setBounds(80, 345, 130, 40); fh.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { ServiceUI ds = new ServiceUI(cardID); ds.setVisible(true);// 返回服务选项 setVisible(false); } }); qx = new JButton("取消"); qx.setBounds(380, 345, 130, 40); qx.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { System.exit(0); // 退出登陆 } }); // panel.add(srje); panel.add(je1); panel.add(je2); panel.add(je3); panel.add(je4); panel.add(je5); panel.add(qt); panel.add(fh); panel.add(qx); this.getContentPane().add(panel); int Width = 585; int Height = 469; int screenHeight = Toolkit.getDefaultToolkit().getScreenSize().height; int screenWidth = Toolkit.getDefaultToolkit().getScreenSize().width; // 获取屏幕宽和高 // 如果窗口大小超过屏幕大小，让窗口与屏幕等大 if (Height > screenHeight) Height = screenHeight; if (Width > screenWidth) Width = screenWidth; setBounds((screenWidth - Width) / 2, (screenHeight - Height) / 2,Width, Height);// 显示在屏幕正中央 setTitle("取款界面"); setResizable(false); // 将最大化按钮设置为不可用 setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } class Kuanx implements ActionListener { public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); CardInfo card = new CardInfo(); CheckBalance checkBalance = new CheckBalance(); double bal = checkBalance.balance(cardID); card.setBalance(bal); UpdateBalance updateBalance = new UpdateBalance(); if (cmd.equals("100")) { if (bal > 100.0) { card.setBalance(card.getBalance() - 100.0); updateBalance.updateAccount(card, cardID);// 传递参数到余额更新界面 new SuccessWithdrawingMoneyUI(cardID); } else System.out.print("您的余额不足"); } if (cmd.equals("200")) { if (card.getBalance() > 200.0) { card.setBalance(card.getBalance() - 200.0); updateBalance.updateAccount(card, cardID);// 传递参数到余额更新界面 new SuccessWithdrawingMoneyUI(cardID); } else System.out.print("您的余额不足"); } if (cmd.equals("300")) { if (card.getBalance() > 300.0) { card.setBalance(card.getBalance() - 300.0); updateBalance.updateAccount(card, cardID);// 传递参数到余额更新界面 new SuccessWithdrawingMoneyUI(cardID); } else System.out.print("您的余额不足"); } if (cmd.equals("500")) { if (card.getBalance() > 500.0) { card.setBalance(card.getBalance() - 500.0); updateBalance.updateAccount(card, cardID);// 传递参数到余额更新界面 new SuccessWithdrawingMoneyUI(cardID); } else System.out.print("您的余额不足"); } if (cmd.equals("1000")) { if (card.getBalance() > 1000.0) { card.setBalance(card.getBalance() - 1000.0); updateBalance.updateAccount(card, cardID);// 传递参数到余额更新界面 new SuccessWithdrawingMoneyUI(cardID); } else System.out.print("您的余额不足"); } if (cmd.equals("其他面额")) { WithdrawingMoneyUI4OtherFiguer cc = new WithdrawingMoneyUI4OtherFiguer(cardID); cc.setVisible(true); setVisible(false); } } } }