bankadmin.java

《j2ee经典实例详解》的源代码。原书无附带光盘。介绍的是一个在线银行系统的例子。绝对难得

/*
 * Copyright (c) 2005 Sun Microsystems, Inc.  All rights reserved.  U.S.
 * Government Rights - Commercial software.  Government users are subject
 * to the Sun Microsystems, Inc. standard license agreement and
 * applicable provisions of the FAR and its supplements.  Use is subject
 * to license terms.
 *
 * This distribution may include materials developed by third parties.
 * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks
 * or registered trademarks of Sun Microsystems, Inc. in the U.S. and
 * other countries.
 *
 * Copyright (c) 2005 Sun Microsystems, Inc. Tous droits reserves.
 *
 * Droits du gouvernement americain, utilisateurs gouvernementaux - logiciel
 * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de
 * licence standard de Sun Microsystems, Inc., ainsi qu'aux dispositions
 * en vigueur de la FAR (Federal Acquisition Regulations) et des
 * supplements a celles-ci.  Distribue par des licences qui en
 * restreignent l'utilisation.
 *
 * Cette distribution peut comprendre des composants developpes par des
 * tierces parties. Sun, Sun Microsystems, le logo Sun, Java et J2EE
 * sont des marques de fabrique ou des marques deposees de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */


package com.sun.ebank.appclient;

import java.util.Locale;
import java.util.ResourceBundle;
import java.text.NumberFormat;
import java.text.DateFormat;
import java.io.File;
import java.io.RandomAccessFile;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.math.BigDecimal;
import java.awt.GridLayout;
import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
import java.awt.event.KeyEvent;
import javax.swing.*;


public class BankAdmin extends JFrame {
    //Protected instance variables
    protected static BankAdmin frame;
    protected static EventHandle ehandle;

    //Internationalization
    private static Locale currentLocale = null;
    protected static ResourceBundle messages = null;
    protected String desc;
    protected JButton OK;
    protected JButton cancel;
    protected JPanel p1;
    protected JPanel p2;
    protected JLabel fnamelab;
    protected JLabel lnamelab;
    protected JLabel milab;
    protected JLabel streetlab;
    protected JLabel citylab;
    protected JLabel statelab;
    protected JLabel ziplab;
    protected JLabel phonelab;
    protected JLabel emaillab;
    protected JLabel spacerlab1;
    protected JLabel spacerlab2;
    protected JLabel messlab;
    protected JLabel messlab2;
    protected JLabel messlab3;
    protected JLabel messlab4;
    protected JLabel messlab5;
    protected JLabel messlab6;
    protected JLabel descriplab;
    protected JLabel typelab;
    protected JLabel balab;
    protected JLabel creditlab;
    protected JLabel begbalab;
    protected JLabel customerlab;
    protected JLabel timelab;
    protected JMenuBar mb;
    protected JMenu custmenu;
    protected JMenu actmenu;
    protected JMenuItem createcust;
    protected JMenuItem viewcust;
    protected JMenuItem updatecust;
    protected JMenuItem createact;
    protected JMenuItem viewact;
    protected JMenuItem addcust;
    protected JMenuItem remact;
    protected JMenuItem srchcust;
    protected JRadioButton checkingact;
    protected JRadioButton savingsact;
    protected JRadioButton creditact;
    protected JRadioButton mnymktact;
    protected ButtonGroup group;
    protected JPanel radioPanel;

    //Editable variables
    protected JTextField fname;

    //Editable variables
    protected JTextField lname;

    //Editable variables
    protected JTextField mi;

    //Editable variables
    protected JTextField street;

    //Editable variables
    protected JTextField city;

    //Editable variables
    protected JTextField state;

    //Editable variables
    protected JTextField account;

    //Editable variables
    protected JTextField customer;

    //Editable variables
    protected JTextField zip;

    //Editable variables
    protected JTextField phone;

    //Editable variables
    protected JTextField e;

    //Editable variables
    protected JTextField descrip;

    //Editable variables
    protected JTextField type;

    //Editable variables
    protected JTextField bal;

    //Editable variables
    protected JTextField credit;

    //Editable variables
    protected JTextField begbal;

    //Editable variables
    protected JTextField cust;

    //Editable variables
    protected JTextField time;

    //Constructor
    public BankAdmin(Locale currentLocale) {
        //Internationalization setup
        messages =
            ResourceBundle.getBundle("appclient.AdminMessages", currentLocale);

        //Create initial UI (Panel 1)
        getContentPane()
            .setLayout(new GridLayout(1, 2));
        p1 = new JPanel();
        p1.setLayout(new GridLayout(20, 1));
        p2 = new JPanel();
        p2.setLayout(new GridLayout(0, 2));
        p1.setBackground(Color.white);
        p2.setBackground(Color.gray);
        getContentPane()
            .add(p1);
        getContentPane()
            .add(p2);

        //Build menu bar
        mb = new JMenuBar();
        setJMenuBar(mb);

        //Build Customer menu
        custmenu = new JMenu(messages.getString("CustAdmin"), true);
        custmenu.setMnemonic(KeyEvent.VK_C);
        mb.add(custmenu);
        createcust = new JMenuItem(messages.getString("CreateCust"));
        createcust.setMnemonic(KeyEvent.VK_U);
        viewcust = new JMenuItem(messages.getString("ViewCust"));
        viewcust.setMnemonic(KeyEvent.VK_V);
        updatecust = new JMenuItem(messages.getString("UpdateCust"));
        updatecust.setMnemonic(KeyEvent.VK_D);
        srchcust = new JMenuItem(messages.getString("SearchCust"));
        srchcust.setMnemonic(KeyEvent.VK_S);
        custmenu.add(createcust);
        custmenu.add(viewcust);
        custmenu.add(updatecust);
        custmenu.add(srchcust);

        //Build Account Menu
        actmenu = new JMenu(messages.getString("ActAdmin"), true);
        actmenu.setMnemonic(KeyEvent.VK_A);
        mb.add(actmenu);
        createact = new JMenuItem(messages.getString("CreateAct"));
        createact.setMnemonic(KeyEvent.VK_R);
        addcust = new JMenuItem(messages.getString("AddCust"));
        addcust.setMnemonic(KeyEvent.VK_T);
        viewact = new JMenuItem(messages.getString("ViewAct"));
        viewact.setMnemonic(KeyEvent.VK_I);
        remact = new JMenuItem(messages.getString("RemAct"));
        remact.setMnemonic(KeyEvent.VK_O);
        actmenu.add(createact);
        actmenu.add(addcust);
        actmenu.add(viewact);
        actmenu.add(remact);

        //Create Panel 2 OK and Cancel buttons
        //So EventHandle constructor can add as action listeners
        OK = new JButton(messages.getString("OKButton"));
        cancel = new JButton(messages.getString("CancelButton"));

        //Create message labels
        messlab = new JLabel();
        messlab2 = new JLabel();
        messlab3 = new JLabel();
        messlab4 = new JLabel();
        messlab5 = new JLabel();
        messlab6 = new JLabel();

        //Add components to panels
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());
        p1.add(new JLabel());

        String wmess = messages.getString("WatchMess");
        p1.add(new JLabel(wmess + "     "));
        p1.add(messlab);
        p1.add(messlab2);
        p1.add(messlab3);
        p1.add(messlab4);
        p1.add(messlab5);
        p1.add(messlab6);

        //Create spacer labels
        spacerlab1 = new JLabel("_____________________________");
        spacerlab2 = new JLabel("_____________________________");

        //Add spacer labels to Panel 2 initial screen
        p2.add(spacerlab1);
        p2.add(spacerlab2);

        //Create description text field
        this.descrip = new JTextField();

        //Add functionality to close window
        addWindowListener(new WindowAdapter() {
                public void windowClosing(WindowEvent event) {
                    System.exit(0);
                }
            });
    }

    protected void clearMessages(int value) {
        messlab.setText(null);
        messlab2.setText(null);
        messlab3.setText(null);
        messlab4.setText(null);
        messlab5.setText(null);
    }

    protected void clearMessages() {
        messlab.setText(null);
        messlab2.setText(null);
        messlab3.setText(null);
        messlab4.setText(null);
        messlab5.setText(null);
        messlab6.setText(null);
    }

    protected void resetPanelTwo() {
        clearMessages(1);
        p2.removeAll();
        p2.validate();
        p2.repaint();