Witam,
staram się napisać prosty aplet. Po uruchomieniu w Netbeans widzę następujące okno :
teraz zminimalizuje je, i powiększę ponownie, efekt :
I tak też aplet wygląda na stronie :/
Kolejna sprawa. Plik TestAplet jest w katalogu classes. Wrzucam plik TestAplet.html i plik TestAplet.class na FTP i qpa, w przeglądarce dostaję error coś typu "sources not found".
Następna rzecz to jak stworzyć plik *.jar ?
Plik TestAplet.java
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JApplet;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
public class TestAplet extends JApplet{
public Button btn;
public TextField txtfield;
ActionListener al = new ActionListener() {
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("download"))
{
for(int i=0;i<15;i++){
try {
Thread.sleep(500);
txtfield.setText(Integer.toString(i));
} catch (InterruptedException ex) {
Logger.getLogger(TestAplet.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
};
public void init() {
}
public void start(){
}
public void stop(){
}
public void paint(Graphics g){
btn = new Button("Test");
btn.setSize(100,50);
btn.addActionListener(al);
btn.setActionCommand("download");
btn.setBounds(100,110,100,20);
txtfield = new TextField();
txtfield.setBounds(50, 50, 100, 20);
//txtfield.setVisible(true);
add(btn);
add(txtfield);
g.drawString("TEKST", 100, 100);
}
}
a w HTML :
<P>
<APPLET codebase="classes" code="TestAplet.class" width=350 height=200></APPLET>
</P>
gdy wrzucam na ftp wygląda to tak :
<P>
<APPLET code="TestAplet.class" width=350 height=200></APPLET>
</P>
Błąd jaki dostaje :
java.lang.RuntimeException: java.lang.NoClassDefFoundError: TestAplet$1
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: TestAplet$1
at TestAplet.<init>(TestAplet.java:31)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$12.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception: java.lang.RuntimeException: java.lang.NoClassDefFoundError: TestAplet$1