读取图片地址

<?php
function litimgurls($imgid=0)
{
    global $lit_imglist,$dsql;
    //获取附加表
    $row = $dsql->GetOne("SELECT c.addtable FROM #@__archives AS a LEFT JOIN #@__channeltype AS c 
                                                            ON a.channel=c.id where a.id='$imgid'");
    $addtable = trim($row['addtable']);
    
    //获取图片附加表imgurls字段内容进行处理
    $row = $dsql->GetOne("Select imgurls From `$addtable` where aid='$imgid'");
    
    //调用inc_channel_unit.php中ChannelUnit类
    $ChannelUnit = new ChannelUnit(2,$imgid);
    
    //调用ChannelUnit类中GetlitImgLinks方法处理缩略图
    $lit_imglist = $ChannelUnit->GetlitImgLinks($row['imgurls']);
    
    //返回结果
    return $lit_imglist;
}

/****************  
  function GetOneImgUrl  
  @@ 功能：读取自定义字段图片地址  
*****************/  
  
function GetOneImgUrl($img,$ftype=1){   
    echo $img;
    if($img <> ''){   
        $dtp = new DedeTagParse();   
        $dtp->LoadSource($img);   
        if(is_array($dtp->CTags)){   
            foreach($dtp->CTags as $ctag){   
                if($ctag->GetName()=='img'){   
                    $width = $ctag->GetAtt('width');   
                    $height = $ctag->GetAtt('height');   
                    $imgurl = trim($ctag->GetInnerText());   
                    $img = '';   
                    if($imgurl != ''){   
                        if($ftype==1){   
                            $img .= $imgurl;   
                        }   
                        else{   
                            $img .= '<img src="'.$imgurl.'" width="'.$width.'" height="'.$height.'" />';   
                        }   
                    }   
                               
                }   
            }   
        }   
        $dtp->Clear();   
        return $img;       
    }   
}  


/*根据文章id 返回文章arcurl
        *$ID 文章id
        */
        function getArcurlByArcid($ID)  
        {  
            global $dsql;  
            $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,tp.moresite,tp.siteurl,tp.sitepath from dede_archives arc left join dede_arctype tp on arc.typeid=tp.id where arc.id = ".$ID;  
            $row = $dsql->GetOne($query);  
            $ReturnURL = GetFileUrl($row['id'],$row['typeid'],$row['senddate'],$row['title'],$row['ismake'],  
            $row['arcrank'],$row['namerule'],$row['typedir'],$row['money'],$row['filename'],$row['moresite'],$row['siteurl'],$row['sitepath']);  
            return $ReturnURL;  
        }