public function getUrl()
{
if (F::utf8_str($this->title) == '1') {
$title = str_replace('/', '-', $this->title);
} else {
$pinyin = new Pinyin($this->title);
$title = $pinyin->full2();
$title = str_replace('/', '-', $title);
}
return Yii::app()->createUrl('article/view', array('id' => $this->article_id, 'title' => $title));
}