?? webmenu.java
字號:
import java.net.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class WebMenu extends JApplet implements ActionListener {
WebButton[] choices = new WebButton[3];
public void init() {
choices[0] = new WebButton("CUMT",
"http://www.cumt.edu.cn/");
choices[1] = new WebButton("Sina",
"http://www.sina.com.cn/");
choices[2] = new WebButton("google",
"http://www.google.com");
FlowLayout flo = new FlowLayout();
getContentPane().setLayout(flo);
for (int i = 0; i < choices.length; i++) {
choices[i].addActionListener(this);
getContentPane().add(choices[i]);
}
}
public void actionPerformed(ActionEvent evt) {
WebButton clicked = (WebButton)evt.getSource();
try {
URL load = new URL(clicked.address);
getAppletContext().showDocument(load);
} catch (MalformedURLException e) {
showStatus("Bad URL:" + clicked.address);
}
}
}
class WebButton extends JButton {
String address;
WebButton(String iLabel, String iAddress) {
super(iLabel);
address = iAddress;
}
}
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