color.java

按钮颜色java工程项目

package button;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;

public class color extends Applet {
  boolean isStandalone = false;
  JToggleButton c1 = new JToggleButton();
  JToggleButton c2 = new JToggleButton();
  JToggleButton c3 = new JToggleButton();
  JToggleButton c4 = new JToggleButton();
  JToggleButton c5 = new JToggleButton();
  JToggleButton c6 = new JToggleButton();
  /**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 color() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    c1.setText("red");
    c1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c1_actionPerformed(e);
      }
    });
    c2.setText("black");
    c2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c2_actionPerformed(e);
      }
    });
    c3.setText("white");
    c3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c3_actionPerformed(e);
      }
    });
    c4.setText("blue");
    c4.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c4_actionPerformed(e);
      }
    });
    c5.setText("orange");
    c5.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c5_actionPerformed(e);
      }
    });
    c6.setText("yellow");
    c6.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        c6_actionPerformed(e);
      }
    });
    this.add(c1, null);
    this.add(c2, null);
    this.add(c3, null);
    this.add(c4, null);
    this.add(c5, null);
    this.add(c6, null);
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  void c1_actionPerformed(ActionEvent e) {
 this.setBackground(Color.red );
  }

  void c2_actionPerformed(ActionEvent e) {
 this.setBackground(Color.black );
  }

  void c3_actionPerformed(ActionEvent e) {
  this.setBackground(Color.white);
  }

  void c4_actionPerformed(ActionEvent e) {
  this.setBackground(Color.blue );
  }

  void c5_actionPerformed(ActionEvent e) {
   this.setBackground(Color.orange );
  }

  void c6_actionPerformed(ActionEvent e) {
   this.setBackground(Color.yellow );
  }
}