appletiedemo.java

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package applet;

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

public class AppletIEDemo extends Applet {
  JButton jButton1 = new JButton();
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    jButton1.setText("显示Java官方网站");
    //为按钮加入动作接收器
    jButton1.addActionListener(new AppletIEDemo_jButton1_actionAdapter(this));
    //为Applet加入按钮
    this.add(jButton1, null);
  }
  //按钮的动作事件
  void jButton1_actionPerformed(ActionEvent e) {
    //获取Applet的AppletContext接口
    AppletContext appletContext = this.getAppletContext();
    //在新的窗口显示java网站
    try {
      appletContext.showDocument(new URL("http://java.sun.com"), "_blank");
    }
    catch (Exception el) {}
  }
}

//创建动作接收器类
class AppletIEDemo_jButton1_actionAdapter implements java.awt.event.ActionListener {
  AppletIEDemo adaptee;

  AppletIEDemo_jButton1_actionAdapter(AppletIEDemo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}