dedecms织梦调用图集的第一张图片的方法

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 function Getimgurls($aid,$num=1)      {

        global $dsql;

        $imgurls = $result = '';

        $imgrow = $dsql->GetOne( "Select imgurls From `dede_addonimages` where aid='$aid' ");

        $imgurls = $imgrow['imgurls'];

        if($imgurls != '')

        {

            $dtp = new DedeTagParse();

            $dtp->LoadSource($imgurls);

            $images = array();

            if(is_array($dtp->CTags))

            {

                foreach($dtp->CTags as $ctag)

                {

                    if($ctag->GetName() == 'img')

                    {

                        $row = array();

                        $row['width'] = $ctag->GetAtt('width');

                        $row['height'] = $ctag->GetAtt('height');

                        $row['imgsrc'] = trim($ctag->GetInnerText());

                        $row['text'] = $ctag->GetAtt('text');

                        $images[] = $row;

                    }

                }

            }

            $dtp->Clear();

            $i = 0;

            foreach($images as $row)

            {

                if($i == $num) break;

                if($row['imgsrc'] != '')

                {

                    $result .= {$row['imgsrc']};

                }

                $i++;

            }

            return $result;

        }

    }