phone.java~2~

很好得jbuilder100例源代码

package untitled1;

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

public class phone extends Applet {
  PhoneCard phone;
  Keypad keys;
  String[] keylist = {"1","2","3","4","5","6","7","8","9","*","0","#"};
  boolean isStandalone = false;
  /**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 phone() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
    keys = new Keypad(keylist,4,3);
    add(keys);
    phone = new PhoneCard();
    add(phone);
  }
  class Keypad extends Panel{
    public Keypad(String[] keylist,int r,int c){
       setLayout(new GridLayout(r,c,15,2));
       for( int i=0;i<keylist.length;i++){
          add(new Button(keylist[i]));
       }
    }
  }

  class PhoneCard extends Panel{
      CardLayout c1;
      public PhoneCard(){
        c1 = new CardLayout();
        setLayout(c1);
        add("1",new Label("1"));
        add("2",new Label("2"));
        add("3",new Label("3"));
        add("4",new Label("4"));
        add("5",new Label("5"));
        add("6",new Label("6"));
        add("7",new Label("7"));
        add("8",new Label("8"));
        add("9",new Label("9"));
        add("*",new Label("*"));
        add("0",new Label("0"));
        add("#",new Label("#"));
      }
    public void show(String s){
        c1.showd(this,s);
    }
    }

    public boolean action(Event e,Object button){
      if(e.target instanceof Button)
          phone.showd((String)button);
          return true;
   }
  /**Component initialization*/
  private void jbInit() throws Exception {
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

}