如何解决WEB中打印问题？（急！！！）__public_int_new_this_jLabel1_

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如何解决WEB中打印问题？（急！！！）

来源: 互联网发布时间：2015-04-04

本文导语: 具体为打印table中的内容，而不是整个页面。哪里能找到相关控件？ | 真是些折磨人的小妖精～自己看代码吧～ import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.awt.print.*; import...

具体为打印table中的内容，而不是整个页面。
哪里能找到相关控件？

真是些折磨人的小妖精～
自己看代码吧～

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.print.*;
import javax.swing.table.*;
import java.sql.*;
import java.awt.geom.*;

public class Frame2 extends JFrame implements Printable{
  JButton jButton1 = new JButton();
  Process pr;
  JPopupMenu jPopupMenu1 = new JPopupMenu();
  JCheckBoxMenuItem jCheckBoxMenuItem1 = new JCheckBoxMenuItem();
  BorderLayout borderLayout1 = new BorderLayout();
  JScrollPane jScrollPane1 = new JScrollPane();
  JTable jTable1 = new JTable(10,5);
  JSplitPane jSplitPane1 = new JSplitPane();
  TJPanel jPanel1 = new TJPanel();
  JLabel jLabel1 = new JLabel();
  class TJPanel extends JPanel{
    public TJPanel(){
      this.setOpaque (true);
    }
    public void paint(Graphics g){
      printTable((Graphics2D)g,jTable1);
    }
  }

  public Frame2() {
    try  {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    jButton1.setText("jButton1");

    jButton1.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jCheckBoxMenuItem1.setText("dff");
    this.getContentPane().setLayout(borderLayout1);
    jLabel1.setOpaque(true);
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setHorizontalTextPosition(SwingConstants.CENTER);
    jLabel1.setText("jLabel1");
    this.getContentPane().add(jSplitPane1, BorderLayout.CENTER);
    this.getContentPane().add(jButton1, BorderLayout.SOUTH);
    this.getContentPane().add(jLabel1, BorderLayout.NORTH);
    jSplitPane1.add(jScrollPane1, JSplitPane.RIGHT );
    jSplitPane1.add(jPanel1, JSplitPane.LEFT );
    jScrollPane1.getViewport().add(jTable1, null);
    jPopupMenu1.add(jCheckBoxMenuItem1);
    this.addWindowListener(new WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent
                event) {
                Object object = event.getSource();
                if (object == this)  System.exit(0);
            }
    });
    this.setSize (400,300);
    jSplitPane1.setDividerLocation(200);
    jTable1.setGridColor (Color.black );

  }

  void jButton1_actionPerformed(ActionEvent e) {

    PrinterJob job = PrinterJob.getPrinterJob();
    // Ask user for page format (e.g., portrait/landscape)
//    PageFormat pf = job.pageDialog(job.defaultPage());

    // Create a landscape page format
    PageFormat landscape = job.defaultPage();
    landscape.setOrientation(PageFormat.LANDSCAPE);
    // Set up a book
    Book bk = new Book();
    bk.append(this, job.defaultPage());
    // Pass the book to the PrinterJob
    job.setPageable(bk);
    // Put up the dialog box
    if (job.printDialog()) {
        // Print the job if the user didn't cancel printing
        try { job.print(); }
            catch (Exception exc) { exc.printStackTrace (); }
    }

  }
  public int print(Graphics g, PageFormat pf, int pageIndex)
  throws PrinterException {
      RepaintManager rp = RepaintManager.currentManager (this);
      boolean doubleBufferingEnable = rp.isDoubleBufferingEnabled ();
      rp.setDoubleBufferingEnabled (false);
      this.print(g.create((int)pf.getImageableX (),(int)pf.getImageableY (),(int)pf.getImageableHeight (),(int)pf.getImageableWidth ()));
      rp.setDoubleBufferingEnabled (doubleBufferingEnable);
      return Printable.PAGE_EXISTS;
  }

  public void paint(Graphics g){
    super.paint(g);

  }

  public void printTable(Graphics2D g,JTable table){
    JTableHeader header = table.getTableHeader ();
    int header_height= header.getHeight ();
   try{
    g.setPaint (Color.white );
    g.fill(new Rectangle2D.Double(0, 0,640,480));
    BasicStroke back =(BasicStroke) g.getStroke ();
    int width = table.getWidth ();
    int height = table.getHeight ();
    g.setPaint (Color.black);
    g.setStroke (new BasicStroke(2.0f));
    g.drawRect(0,0,width,height+header_height);
    g.setStroke (back);

    int column_count = header.getColumnModel().getColumnCount ();
    TableColumnModel columnModel=header.getColumnModel ();
    int x=0;
    int y=20;
    FontMetrics fm = g.getFontMetrics ();
    Font f = g.getFont ();
    int size = f.getSize ();

    for(int i=0;i