dedecms织梦图集在首页或列表页调用并自定义显示几张图

function Getimgurls($aid,$num=4)   
{
    global $dsql;
    $imgurls = $result = '';
    $imgrow = $dsql->GetOne( "Select imgurls From `mydiy_addonimages` where aid='$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 .= "
";
     }
     $i++;
 }
 return $result;
    } 
}