Actionscript 3 Entwicklerhandbuch

ACTIONSCRIPT 3.0 ENTWICKLERHANDBUCH
Arbeiten mit dem Dateisystem
package
{
import flash.display.Sprite;
import flash.events.*;
import flash.net.FileFilter;
import flash.net.FileReference;
import flash.net.URLRequest;
import flash.utils.ByteArray;
}
public class FileReferenceExample1 extends Sprite
{
private var fileRef:FileReference;
public function FileReferenceExample1()
{
fileRef = new FileReference();
fileRef.addEventListener(Event.SELECT, onFileSelected);
fileRef.addEventListener(Event.CANCEL, onCancel);
fileRef.addEventListener(IOErrorEvent.IO_ERROR, onIOError);
fileRef.addEventListener(SecurityErrorEvent.SECURITY_ERROR,
onSecurityError);
var textTypeFilter:FileFilter = new FileFilter("Text Files (*.txt, *.rtf)",
"*.txt;*.rtf");
fileRef.browse([textTypeFilter]);
}
public function onFileSelected(evt:Event):void
{
fileRef.addEventListener(ProgressEvent.PROGRESS, onProgress);
fileRef.addEventListener(Event.COMPLETE, onComplete);
fileRef.load();
}
}
public function onProgress(evt:ProgressEvent):void
{
trace("Loaded " + evt.bytesLoaded + " of " + evt.bytesTotal + " bytes.");
}
public function onComplete(evt:Event):void
{
trace("File was successfully loaded.");
trace(fileRef.data);
}
public function onCancel(evt:Event):void
{
trace("The browse request was canceled by the user.");
}
public function onIOError(evt:IOErrorEvent):void
{
trace("There was an IO Error.");
}
public function onSecurityError(evt:Event):void
{
trace("There was a security error.");
}
Letzte Aktualisierung 27.6.2012
695