java联接打印机

package com.util;

import java.awt.*;
import java.awt.event.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.print.*;
import java.util.*;
import javax.swing.*;

public class PrintTest {
 public static void main(String[] args) {
  JFrame frame = new PrintTestFrame();
  frame.show();
 }
}

class PrintTestFrame extends JFrame implements ActionListener {
 public PrintTestFrame() {
  setTitle("PrintTest");
  setSize(300, 300);
  addWindowListener(new WindowAdapter() {
   public void windowClosing(WindowEvent e) {
    System.exit(0);
   }
  });

  Container contentPane = getContentPane();
  canvas = new PrintPanel();
  contentPane.add(canvas, "Center");

  JPanel buttonPanel = new JPanel();
  printButton = new JButton("Print");
  buttonPanel.add(printButton);
  printButton.addActionListener(this);

  pageSetupButton = new JButton("Page   setup");
  buttonPanel.add(pageSetupButton);
  pageSetupButton.addActionListener(this);

  contentPane.add(buttonPanel, "North");
 }

 public void actionPerformed(ActionEvent event) {
  Object source = event.getSource();
  if (source == printButton) {
   PrinterJob printJob = PrinterJob.getPrinterJob();
   if (pageFormat == null)
    pageFormat = printJob.defaultPage();
   printJob.setPrintable(canvas, pageFormat);
   if (printJob.printDialog()) {
    try {
     printJob.print();
    } catch (PrinterException exception) {
     JOptionPane.showMessageDialog(this, exception);
    }
   }
  } else if (source == pageSetupButton) {
   PrinterJob printJob = PrinterJob.getPrinterJob();
   if (pageFormat == null)
    pageFormat = printJob.defaultPage();
   pageFormat = printJob.pageDialog(pageFormat);
  }
 }

 private JButton printButton;

 private JButton pageSetupButton;

 private PrintPanel canvas;

 private PageFormat pageFormat;
}

class PrintPanel extends JPanel implements Printable {
 public void paintComponent(Graphics g) {
  super.paintComponent(g);
  Graphics2D g2 = (Graphics2D) g;
  drawPage(g2);
 }

 public int print(Graphics g, PageFormat pf, int page)
   throws PrinterException {
  if (page >= 1)
   return Printable.NO_SUCH_PAGE;
  Graphics2D g2 = (Graphics2D) g;
  g2.setPaint(Color.black);
  g2.translate(pf.getImageableX(), pf.getImageableY());
  g2.draw(new Rectangle2D.Double(0, 0, pf.getImageableWidth(), pf
    .getImageableHeight()));

  drawPage(g2);
  return Printable.PAGE_EXISTS;
 }

 public void drawPage(Graphics2D g2) {
  FontRenderContext context = g2.getFontRenderContext();
  Font f = new Font("Serif", Font.PLAIN, 72);
  GeneralPath clipShape = new GeneralPath();

  TextLayout layout = new TextLayout("Hello", f, context);
  AffineTransform transform = AffineTransform.getTranslateInstance(0, 72);
  Shape outline = layout.getOutline(transform);
  clipShape.append(outline, false);

  layout = new TextLayout("World", f, context);
  transform = AffineTransform.getTranslateInstance(0, 144);
  outline = layout.getOutline(transform);
  clipShape.append(outline, false);

  g2.draw(clipShape);
  g2.clip(clipShape);

  final int NLINES = 50;
  Point2D p = new Point2D.Double(0, 0);
  for (int i = 0; i < NLINES; i++) {
   double x = (2 * getWidth() * i) / NLINES;
   double y = (2 * getHeight() * (NLINES - 1 - i)) / NLINES;
   Point2D q = new Point2D.Double(x, y);
   g2.draw(new Line2D.Double(p, q));
  }
 }
}