| Exemple Java | |
Téléchargement et affichage d'une image
import java.applet.Applet ;
import java.net.URL ;
import java.net.MalformedURLException ;
import java.awt.Graphics ;
import java.awt.Image ;
import java.awt.event.* ;
import java.awt.* ;
public class AppletURL1 extends Applet implements ActionListener {
private Image i = null ;
private Button ok ;
private String base ;
public void init() {
setLayout(new BorderLayout());
add(ok = new Button("Telechargement"),BorderLayout.SOUTH);
ok.addActionListener(this) ;
URL url = this.getCodeBase();
base = url.toString();
}
public void paint(Graphics g) {
if ( i != null )
g.drawImage(i,0,0,this) ;
}
public void actionPerformed(ActionEvent e) {
URL u ;
try {
String adresse = base+"r1.gif" ;
u = new URL(adresse) ;
i = getImage(u) ;
repaint() ; }
catch (MalformedURLException mue) {
}
}
}
Remarques, erreurs |
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