PHP MessageBoard::setDataValue示例

$oPage->addCss('body { background-image: url("images/skelilogo.jpg"); background-position: left top;  background-repeat: no-repeat; }');
$oPage->addItem(new PageTop(_('Messages for skeli')));
$indexrow = new \Ease\TWB\Row();
$indexrow->addColumn(2);
$messageBoardcolumn = $indexrow->addColumn(4, new \Ease\Html\H1Tag(_('Messages')));
$messageBoard = new MessageBoard();
$messageBoardcolumn->addItem(new NewsShow($messageBoard));
$formColumn = $indexrow->addColumn(6, new \Ease\Html\H1Tag(_('Write message')));
if ($oUser->getUserID()) {
    $id = $oPage->getRequestValue('id', 'int');
    if ($id) {
        $messageBoard->loadFromSQL($id);
    }
    if ($oPage->isPosted()) {
        $messageBoard->takeData($_POST);
        $messageBoard->setDataValue('author', $oUser->getUserID());
        if ($messageBoard->saveToSQL()) {
            $messageBoard->addStatusMessage(_('Message was saved'), 'success');
        } else {
            $messageBoard->addStatusMessage(_('Message was not saved'), 'warning');
        }
    } else {
        $id = $oPage->getRequestValue('delete', 'int');
        if (!is_null($id)) {
            if ($messageBoard->deleteFromSQL($id)) {
                $messageBoard->addStatusMessage(_('Message was deleted'), 'success');
            } else {
                $messageBoard->addStatusMessage(_('Message was not deleted'), 'warning');
            }
        }
    }