如何Java脚本中调用Windows的打开文件对话框、另存文件对话框和打印选择对话框？(10分)

在Java脚本中，调用Windows的打开文件、另存文件和打印选择的标准对话框的语法有人
知道么？谢谢指点，送上我仅余的分数！

一个窗体，带菜单的～
[][] 标准代码，你试试－－－－－－－－－－－－－－－
import java.awt.*;
public class Frame1 extends Frame
{
public Frame1()
{
//{{INIT_MENUS
menu1.setLabel("File");
menu1.add(newMenuItem);
newMenuItem.setEnabled(false);
newMenuItem.setLabel("New");
newMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_N,false));
menu1.add(openMenuItem);
openMenuItem.setLabel("Open...");
openMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_O,false));
menu1.add(saveMenuItem);
saveMenuItem.setEnabled(false);
saveMenuItem.setLabel("Save");
saveMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_S,false));
menu1.add(saveAsMenuItem);
saveAsMenuItem.setEnabled(false);
saveAsMenuItem.setLabel("Save As...");
menu1.add(separatorMenuItem);
separatorMenuItem.setLabel("-");
menu1.add(exitMenuItem);
exitMenuItem.setLabel("Exit");
mainMenuBar.add(menu1);
menu2.setLabel("Edit");
menu2.add(cutMenuItem);
cutMenuItem.setEnabled(false);
cutMenuItem.setLabel("Cut");
cutMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_X,false));
menu2.add(copyMenuItem);
copyMenuItem.setEnabled(false);
copyMenuItem.setLabel("Copy");
copyMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_C,false));
menu2.add(pasteMenuItem);
pasteMenuItem.setEnabled(false);
pasteMenuItem.setLabel("Paste");
pasteMenuItem.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_V,false));
mainMenuBar.add(menu2);
menu3.setLabel("Help");
menu3.add(aboutMenuItem);
aboutMenuItem.setLabel("About...");
mainMenuBar.add(menu3);
mainMenuBar.setHelpMenu(menu1);
//$$ mainMenuBar.move(0,312);
setMenuBar(mainMenuBar);
//}}

//{{REGISTER_LISTENERS
SymWindow aSymWindow = new SymWindow();
this.addWindowListener(aSymWindow);
SymAction lSymAction = new SymAction();
openMenuItem.addActionListener(lSymAction);
exitMenuItem.addActionListener(lSymAction);
aboutMenuItem.addActionListener(lSymAction);
//}}

// This code is automatically generated by Visual Cafe when you add
// components to the visual environment. It instantiates and initializes
// the components. To modify the code, only use code syntax that matches
// what Visual Cafe can generate, or Visual Cafe may be unable to back
// parse your Java file into its visual environment.

//{{INIT_CONTROLS
setLayout(null);
setSize(405,305);
setVisible(false);
openFileDialog1.setMode(FileDialog.LOAD);
openFileDialog1.setTitle("Open");
//$$ openFileDialog1.move(120,336);
setTitle("AWT Application");
//}}


}

public Frame1(String title)
{
this();
setTitle(title);
}

static public void main(String args[])
{
try
{
//Create a new instance of our application's frame, and make it visible.
(new Frame1()).setVisible(true);
}
catch (Throwable t)
{
System.err.println(t);
t.printStackTrace();
//Ensure the application exits with an error condition.
System.exit(1);
}
}

public void addNotify()
{
// Record the size of the window prior to calling parents addNotify.
Dimension d = getSize();

super.addNotify();

if (fComponentsAdjusted)
return;

// Adjust components according to the insets
setSize(getInsets().left + getInsets().right + d.width, getInsets().top + getInsets().bottom + d.height);
Component components[] = getComponents();
for (int i = 0;
i < components.length;
i++)
{
Point p = components.getLocation();
p.translate(getInsets().left, getInsets().top);
components.setLocation(p);
}
fComponentsAdjusted = true;
}

// Used for addNotify check.
boolean fComponentsAdjusted = false;

//{{DECLARE_CONTROLS
java.awt.FileDialog openFileDialog1 = new java.awt.FileDialog(this);
//}}

//{{DECLARE_MENUS
java.awt.MenuBar mainMenuBar = new java.awt.MenuBar();
java.awt.Menu menu1 = new java.awt.Menu();
java.awt.MenuItem newMenuItem = new java.awt.MenuItem();
java.awt.MenuItem openMenuItem = new java.awt.MenuItem();
java.awt.MenuItem saveMenuItem = new java.awt.MenuItem();
java.awt.MenuItem saveAsMenuItem = new java.awt.MenuItem();
java.awt.MenuItem separatorMenuItem = new java.awt.MenuItem();
java.awt.MenuItem exitMenuItem = new java.awt.MenuItem();
java.awt.Menu menu2 = new java.awt.Menu();
java.awt.MenuItem cutMenuItem = new java.awt.MenuItem();
java.awt.MenuItem copyMenuItem = new java.awt.MenuItem();
java.awt.MenuItem pasteMenuItem = new java.awt.MenuItem();
java.awt.Menu menu3 = new java.awt.Menu();
java.awt.MenuItem aboutMenuItem = new java.awt.MenuItem();
//}}

class SymWindow extends java.awt.event.WindowAdapter
{
public void windowClosing(java.awt.event.WindowEvent event)
{
Object object = event.getSource();
if (object == Frame1.this)
Frame1_WindowClosing(event);
}
}

void Frame1_WindowClosing(java.awt.event.WindowEvent event)
{
// todo
: code goes here.

Frame1_WindowClosing_Interaction1(event);
}

void Frame1_WindowClosing_Interaction1(java.awt.event.WindowEvent event)
{
try {
// QuitDialog Create and show as modal
(new QuitDialog(this, true)).setVisible(true);
} catch (Exception e) {
}
}

class SymAction implements java.awt.event.ActionListener
{
public void actionPerformed(java.awt.event.ActionEvent event)
{
Object object = event.getSource();
if (object == openMenuItem)
openMenuItem_ActionPerformed(event);
else
if (object == aboutMenuItem)
aboutMenuItem_ActionPerformed(event);
else
if (object == exitMenuItem)
exitMenuItem_ActionPerformed(event);
}
}

void openMenuItem_ActionPerformed(java.awt.event.ActionEvent event)
{
// todo
: code goes here.

openMenuItem_ActionPerformed_Interaction1(event);
}

void openMenuItem_ActionPerformed_Interaction1(java.awt.event.ActionEvent event)
{
try {
// OpenFileDialog Create and show as modal
int defMode = openFileDialog1.getMode();
String defTitle = openFileDialog1.getTitle();
String defDirectory = openFileDialog1.getDirectory();
String defFile = openFileDialog1.getFile();
openFileDialog1 = new java.awt.FileDialog(this, defTitle, defMode);
openFileDialog1.setDirectory(defDirectory);
openFileDialog1.setFile(defFile);
openFileDialog1.setVisible(true);
} catch (Exception e) {
}
}

void aboutMenuItem_ActionPerformed(java.awt.event.ActionEvent event)
{
// todo
: code goes here.

aboutMenuItem_ActionPerformed_Interaction1(event);
}

void aboutMenuItem_ActionPerformed_Interaction1(java.awt.event.ActionEvent event)
{
try {
// AboutDialog Create and show as modal
(new AboutDialog(this, true)).setVisible(true);
} catch (Exception e) {
}
}


void exitMenuItem_ActionPerformed(java.awt.event.ActionEvent event)
{
// todo
: code goes here.

exitMenuItem_ActionPerformed_Interaction1(event);
}

void exitMenuItem_ActionPerformed_Interaction1(java.awt.event.ActionEvent event)
{
try {
// QuitDialog Create and show as modal
(new QuitDialog(this, true)).setVisible(true);
} catch (Exception e) {
}
}
}