串口的经典实例

				package want;
				
				import java.awt.BorderLayout;
				
				import javax.swing.JFrame;
				import java.awt.Dimension;
				import javax.swing.JPanel;
				import com.borland.jbcl.layout.XYLayout;
				import com.borland.jbcl.layout.*;
				import com.borland.dbswing.TableScrollPane;
				import com.borland.dbswing.JdbTable;
				import com.borland.dx.sql.dataset.QueryDataSet;
				import javax.swing.JButton;
				import java.awt.event.ActionEvent;
				import java.awt.event.ActionListener;
				import java.awt.print.*;
				
				
				
				/**
				 * Title: 
				 *
				 * Description: 
				 *
				 * Copyright: Copyright (c) 2007
				 *
				 * Company: 
				 *
				 * @author not attributable
				 * @version 1.0
				 */
				public class Frame2 extends JFrame {
				    JPanel jPanel1 = new JPanel();
				    XYLayout xYLayout1 = new XYLayout();
				    TableScrollPane tableScrollPane1 = new TableScrollPane();
				    JdbTable jdbTable1 = new JdbTable();
				    BorderLayout borderLayout1 = new BorderLayout();
				    public Frame2(QueryDataSet queryDataSet1) {
				        try {
				            jdbTable1.setDataSet(queryDataSet1);
				            jbInit();
				        } catch (Exception exception) {
				            exception.printStackTrace();
				        }
				    }
				
				    private void jbInit() throws Exception {
				        getContentPane().setLayout(borderLayout1);
				        setSize(new Dimension(400, 300));
				        jPanel1.add(tableScrollPane1, new XYConstraints(7, 46, 314, 220));
				        tableScrollPane1.getViewport().add(jdbTable1);
				        this.getContentPane().add(jPanel1, java.awt.BorderLayout.WEST);
				        jPanel1.setLayout(xYLayout1);
				    }
				
				    public void jButton1_actionPerformed(ActionEvent e) {
				        PrinterJob   printerJob   =   PrinterJob.getPrinterJob();
				        Book   book   =   new   Book();
				        book.append(new   PrintText(),   new   PageFormat());
				        printerJob.setPageable(book);
				        boolean doPrint = printerJob.printDialog();
				        if (doPrint) {
				            try {
				                printerJob.print();
				            } catch (PrinterException exception) {
				                System.err.println("Printing   error:   " + exception);
				            }
				        }
				    }
				}