IndexAction::getTags PHP Method

    public function getTags()
    {
        $text = t($_REQUEST['text']);
        $format = !empty($_REQUEST['format']) ? t($_REQUEST['format']) : 'string';
        $limit = !empty($_REQUEST['limit']) ? intval($_REQUEST['limit']) : '3';
        $tagX = model('Tag');
        $tagX->setText($text);
        // 设置text
        $result = $tagX->getTop($limit, $format);
        // 获取前10个标签
        exit($result);
    }