function replace($path)
{
$F = new File($path);
$md5 = $F->md5();
$this->path = appPATH . 'qg/file/' . $md5;
$F->copy($this->path);
$this->setVs(array('name' => $F->basename(), 'mime' => $F->mime(), 'text' => $F->getText(), 'md5' => $F->md5(), 'size' => $F->size()));
}