bankframe.java

个人财务管理的程序 很实用的

import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.table.*;
//
//BankFrame.java
//
//该类表示经济状况的框架
class BankFrame extends JFrame implements ActionListener {
   public BankFrame() {
      setTitle("欢迎光临中央银行");
      setSize(520,250);
      setLocation(150,200);
      setResizable(false);
      addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            dispose();
         }
      });

      Font f=new Font("Serif",Font.BOLD,20);

      nameLabel=new JLabel("用户名:",
         new ImageIcon("name.gif"),JLabel.LEFT);
      nameLabel.setFont(f);
      nameTextField=new JTextField(name);
      nameTextField.setEditable(false);
      nameTextField.setHorizontalAlignment(JTextField.CENTER);
      nameTextField.setFont(f);
      nameTextField.setForeground(Color.red);
      nameTextField.setEditable(false);
      panel1.add(nameLabel);
      panel1.add(nameTextField);

      numberLabel=new JLabel("你的账号:",
         new ImageIcon("number.gif"),JLabel.LEFT);
      numberLabel.setFont(f);
      numberTextField=new JTextField(String.valueOf(number));
      numberTextField.setEditable(false);
      numberTextField.setHorizontalAlignment(JTextField.CENTER);
      numberTextField.setFont(f);
      numberTextField.setForeground(Color.red);
      numberTextField.setEditable(false);
      panel2.add(numberLabel);
      panel2.add(numberTextField);

      nowLabel=new JLabel("当前存款:",
         new ImageIcon("now.gif"),JLabel.LEFT);
      nowLabel.setFont(f);
      nowTextField=new JTextField(String.valueOf(nowAmount));
      nowTextField.setEditable(false);
      nowTextField.setHorizontalAlignment(JTextField.CENTER);
      nowTextField.setFont(f);
      nowTextField.setForeground(Color.red);
      nowTextField.setEditable(false);

      panel3.add(nowLabel);
      panel3.add(nowTextField);

      panel123.setLayout(new GridLayout(3,1));
      panel123.add(panel1);
      panel123.add(panel2);
      panel123.add(panel3);

      newButton=new JButton("重新开户",new ImageIcon("new.gif"));
      saveButton=new JButton("我想存钱",new ImageIcon("save.gif"));
      takeButton=new JButton("我想取钱",new ImageIcon("take.gif"));
      newButton.addActionListener(this);
      saveButton.addActionListener(this);
      takeButton.addActionListener(this);
      newButton.setFont(f);
      saveButton.setFont(f);
      takeButton.setFont(f);
      newButton.setForeground(new Color(60,60,0));
      saveButton.setForeground(new Color(60,60,0));
      takeButton.setForeground(new Color(60,60,0));
      panel4.setLayout(new GridLayout(1,3));
      panel4.add(newButton);
      panel4.add(saveButton);
      panel4.add(takeButton);

      panel1234.setLayout(new BorderLayout());
      panel1234.add(panel123,"Center");
      panel1234.add(panel4,"South");

      cancelButton=new JButton("退出",new ImageIcon("cancel.gif"));
      cancelButton.setFont(f);
      cancelButton.addActionListener(this);
      panel5.add(cancelButton);

      //布局

      getContentPane().add(panel1234,"Center");
      getContentPane().add(panel5,"South");
   }

   public void actionPerformed(ActionEvent e) {
      Object source=e.getSource();
      if(source==cancelButton)
         dispose();
      else if(source==newButton) {
         String name=JOptionPane.showInputDialog
            ("请输入你的用户名：");
         long number=Long.parseLong(JOptionPane.showInputDialog
            ("请输入你的账号："));
         double nowAmount=Double.parseDouble(JOptionPane.showInputDialog
            ("你用多少钱开户："));
         if(number>=0&&nowAmount>0) {
            Bank_Record.save_BR(name,number,nowAmount);
            JOptionPane.showMessageDialog(this,
               "开户成功,请重新进入中央银行!!!");
         }
         else 
            JOptionPane.showMessageDialog(this,
               "你的输入不正确,请重试!!!");
      }
      else if(source==saveButton) { 
         double money=Double.parseDouble(JOptionPane.showInputDialog
            ("这位老总,你想存多少钱："));
         if(money>0) {
            Bank_Record.save_BR(name,number,nowAmount+money);
            JOptionPane.showMessageDialog(this,
               "钱已经存好啦,重新打开本窗口才能生效,欢迎下次再来!!!");        
         }
         else
            JOptionPane.showMessageDialog(this,
               "没钱就快回去,我没时间跟你玩!!!");
      }
      else if(source==takeButton) {
         double money=Double.parseDouble(JOptionPane.showInputDialog
            ("这位帅哥(靓妹),你想取多少钱："));
         if(money>0&&money<=nowAmount) {
            Bank_Record.save_BR(name,number,nowAmount-money);
            JOptionPane.showMessageDialog(this,
               "钱拿好啦,重新打开本窗口才能生效,欢迎下次再来!!!");      
         }
         else if(money>nowAmount)
            JOptionPane.showMessageDialog(this,
               "对不起,存款不够,请查查你的余额!!!");
         else if(money<=0)
            JOptionPane.showMessageDialog(this,
               "别瞎写,我没时间跟你玩!!!");
      }
   }

   //提取文件
   Bank_Record b=Bank_Record.open_BR();

   private String name=b.getName();
   private long number=b.getNumber();
   private double nowAmount=b.getNowAmount();

   private JLabel nameLabel=null;
   private JLabel numberLabel=null;
   private JLabel nowLabel=null;

   private JTextField nameTextField=null;
   private JTextField numberTextField=null;
   private JTextField nowTextField=null;

   private JButton newButton=null;
   private JButton saveButton=null;
   private JButton takeButton=null;
   private JButton cancelButton=null;

   private JPanel panel1=new JPanel();
   private JPanel panel2=new JPanel();
   private JPanel panel3=new JPanel();
   private JPanel panel123=new JPanel();
   private JPanel panel4=new JPanel();
   private JPanel panel1234=new JPanel();
   private JPanel panel5=new JPanel();
}