quryapplet.java~3~

大量java源程序

package javaservlets.tunnel;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import com.borland.jbcl.layout.*;
import javax.swing.*;

/**
 * Title:
 * Description:
 * Copyright:    Copyright (c) 2002
 * Company:
 * @author
 * @version 1.0
 */

public class quryApplet extends Applet {
   IndyInterface indy;
  boolean isStandalone = false;
  BorderLayout borderLayout1 = new BorderLayout();
  Panel panel1 = new Panel();
  Button button1 = new Button();
  ScrollPane scrollPane1 = new ScrollPane();
  TextArea textArea1 = new TextArea();
  JPanel jPanel1 = new JPanel();
  JButton jButton1 = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextArea jTextArea1 = new JTextArea();
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }

  /**Construct the applet*/
  public quryApplet() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    jButton1.setText("qurey");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    this.setLayout(borderLayout1);
    button1.setLabel("qurey");
    textArea1.setText("textArea1");
    jPanel1.add(jButton1, null);
    jScrollPane1.getViewport().add(jTextArea1, null);
  try {
        indy = new RemoteIndyClient("http://localhost:7001/servlet/");//(getCodeBase() + "servlet/");

        // Open the database connection
        boolean rc = indy.connect();
        if (!rc) {
          System.out.println("Connection not initialized");
          indy = null;
        }

      }
      catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  /**Start the applet*/
  public void start() {
  }
  /**Stop the applet*/
  public void stop() {
  }
  /**Destroy the applet*/
  public void destroy() {
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }
  /**Main method*/
  public static void main(String[] args) {
    quryApplet applet = new quryApplet();
    applet.isStandalone = true;
    Frame frame;
    frame = new Frame() {
      protected void processWindowEvent(WindowEvent e) {
        super.processWindowEvent(e);
        if (e.getID() == WindowEvent.WINDOW_CLOSING) {
          System.exit(0);
        }
      }
      public synchronized void setTitle(String title) {
        super.setTitle(title);
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
      }
    };
    frame.setTitle("Applet Frame");
    frame.add(applet, BorderLayout.CENTER);
    applet.init();
    applet.start();
    frame.setSize(400,320);
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
    frame.setVisible(true);
  }

  void jButton1_actionPerformed(ActionEvent e) {
        if (indy == null) {
          System.out.println("Indy is null");
          return;
        }
        // Get the indy record
        IndyRecord[] r = indy.query();
        // Populate
        if (r != null) {
        //  driver.setText(r.driver);
        //  speed.setText("" + r.speed);
          for(int i=0;i<r.length;i++)
          {

           jTextArea1.setText(r[i].toString());

          }
                       }

      }

}