colorchange.java

java灵感设计

package colorchange;

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

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class colorchange extends Applet {
  boolean isStandalone = false;
  Button button1 = new Button();
  Button button2 = new Button();
  Button button3 = new Button();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  XYLayout xYLayout1 = new XYLayout();
  //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 colorchange() {
  }
  //Initialize the applet
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception {
    button1.setLabel("red");
    button1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button1_actionPerformed(e);
      }
    });
    button2.setLabel("orange");
    button2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button2_actionPerformed(e);
      }
    });
    button3.setLabel("yellow");
    button3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button3_actionPerformed(e);
      }
    });
    jButton1.setText("green");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jButton2.setText("blue");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    jButton3.setText("white");
    jButton3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton3_actionPerformed(e);
      }
    });
    this.setLayout(xYLayout1);
    this.add(button1,    new XYConstraints(23, 5, 66, -1));
    this.add(jButton1, new XYConstraints(24, 42, -1, -1));
    this.add(button3, new XYConstraints(189, 7, -1, -1));
    this.add(jButton3, new XYConstraints(190, 39, -1, -1));
    this.add(button2, new XYConstraints(103, 7, -1, -1));
    this.add(jButton2,  new XYConstraints(103, 40, 71, -1));
  }
  //Get Applet information
  public String getAppletInfo() {
    return "Applet Information";
  }
  //Get parameter info
  public String[][] getParameterInfo() {
    return null;
  }

  void button1_actionPerformed(ActionEvent e) {
this.setBackground(Color.red );
  }

  void button2_actionPerformed(ActionEvent e) {
this.setBackground(Color.orange );
  }

  void button3_actionPerformed(ActionEvent e) {
this.setBackground(Color.yellow );
  }

  void jButton1_actionPerformed(ActionEvent e) {
this.setBackground(Color.green );
  }

  void jButton2_actionPerformed(ActionEvent e) {
this.setBackground(Color.blue );
  }

  void jButton3_actionPerformed(ActionEvent e) {
this.setBackground(Color.white );
  }
}