dedecms 删除文章同时删除图片的方法

  <?php    function GetPicsTruePath($body,$litpic) //解析body数据，获得所有图片的绝对地址    {    $delfiles = array();//存储图片地址数据    if(!empty($litpic))    {    $litpicpath = GetTruePath();    $litpicpath .= $litpic;    $delfiles[] = $litpicpath;//缩略图地址    }    preg_match_all("/src=["|'|S|s]([^ |/|>]*){0,}(([^>]*).(gif|jpg|png))/isU",$body,$tmpdata);    $picspath = array_unique($tmpdata[2]);//body中所有图片的地址    foreach($picspath as $tmppath)    {    $path = GetTruePath();//获得绝对路径    $picpath = preg_replace("/[a-zA-z]+://[^ |/|s]*/",'',$tmppath);//去掉网址部分    $path .=$picpath;    $delfiles[] = $path;//保存处理后的数据    }    return $delfiles;    }    function WriteToDelFiles($msg)//删除文章的时候会通过此函数记录日志    {    if(empty($msg)) $savemsg="未获得消息";    else $savemsg = $msg;    $errorFile = dirname(__FILE__).'/../data/del_body_file.txt';//删除记录文件    $fp = @fopen($errorFile, 'a');    @fwrite($fp,"rn{$savemsg}");    @fclose($fp);    }    //获得文章Body数据    function GetArcBody($aid)    {    global $dsql;    $query = "SELECT dede_addonarticle.body FROM dede_addonarticle WHERE dede_addonarticle.aid = '$aid'";    $row = $dsql->GetOne($query);    if(is_array($row)) return $row;    else return false;    }    function litimgurls($imgid=0){    global $lit_imglist;    $dsql = new DedeSql(false);    //获取附加表    $row = $dsql->GetOne("SELECT c.addtable FROM dede_archives AS a LEFT JOIN dede_channeltype AS c ON a.channel=c.id where a.id='$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;    }    ?>

  <?php    function DelArc($aid,$type='ON',$onlyfile=false)    {    global $dsql,$cfg_cookie_encode,$cfg_multi_site,$cfg_medias_dir;    global $cuserLogin,$cfg_upload_switch,$cfg_delete,$cfg_basedir;    global $admin_catalogs, $cfg_admin_channel;    if($cfg_delete == 'N') $type = 'OK';    if(empty($aid)) return ;    $aid = ereg_replace("[^0-9]", '', $aid);    $arctitle = $arcurl = '';    //查询表信息    $query = "Select ch.maintable,ch.addtable,ch.nid,ch.issystem From `dede_arctiny` arc    left join `dede_arctype` tp on tp.id=arc.typeid    left join `dede_channeltype` ch on ch.id=arc.channel where arc.id='$aid' ";    $row = $dsql->GetOne($query);    $nid = $row['nid'];    $maintable = (trim($row['maintable'])=='' ? 'dede_archives' : trim($row['maintable']));    $addtable = trim($row['addtable']);    $issystem = $row['issystem'];    //查询档案信息    if($issystem==-1)    {    $arcQuery = "Select arc.*,tp.* from `$addtable` arc left join `dede_arctype` tp on arc.typeid=tp.id where arc.aid='$aid' ";    }    else    {    $arcQuery = "Select arc.*,tp.*,arc.id as aid from `$maintable` arc left join `dede_arctype` tp on arc.typeid=tp.id where arc.id='$aid' ";    }    $arcRow = $dsql->GetOne($arcQuery);    $arcBodyRow = GetArcBody($aid);    //检测权限    if(!TestPurview('a_Del,sys_ArcBatch'))    {    if(TestPurview('a_AccDel'))    {    if( !in_array($arcRow['typeid'], $admin_catalogs) && (count($admin_catalogs) != 0 || $cfg_admin_channel != 'all') )    {    return false;    }    }    else if(TestPurview('a_MyDel'))    {    if($arcRow['mid'] != $cuserLogin->getUserID())    {    return false;    }    }    else    {    return false;    }    }    //$issystem==-1 是单表模型，不使用回收站    if($issystem == -1) $type = 'OK';    if(!is_array($arcRow)) return false;    /** 删除到回收站 **/    if($cfg_delete == 'Y' && $type == 'ON')    {    $dsql->ExecuteNoneQuery("Update `$maintable` set arcrank='-2' where id='$aid' ");    $dsql->ExecuteNoneQuery("Update `dede_arctiny` set `arcrank` = '-2' where id = '$aid'; ");    }    else    {    //删除数据库记录    if(!$onlyfile)    {    //删除相关附件    if($cfg_upload_switch == 'Y')    {    $dsql->Execute("me", "SELECT * FROM `dede_uploads` WHERE arcid = '$aid'");    while($row = $dsql->GetArray('me'))    {    $addfile = $row['url'];    $aid = $row['aid'];    $dsql->ExecuteNoneQuery("Delete From `dede_uploads` where aid = '$aid' ");    $upfile = $cfg_basedir.$addfile;    if(@file_exists($upfile)) @unlink($upfile);    }    }    $dsql->ExecuteNoneQuery("Delete From `dede_arctiny` where id='$aid'");    if($addtable != '')    {    $dsql->ExecuteNoneQuery("Delete From `$addtable` where aid='$aid' ");    }    if($issystem != -1)    {    $dsql->ExecuteNoneQuery("Delete From `dede_archives` where id='$aid' ");    }    $dsql->ExecuteNoneQuery("Delete From `dede_feedback` where aid='$aid' ");    $dsql->ExecuteNoneQuery("Delete From `dede_member_stow` where aid='$aid' ");    $dsql->ExecuteNoneQuery("Delete From `dede_taglist` where aid='$aid' ");    $dsql->ExecuteNoneQuery("Delete From `dede_erradd` where aid='$aid' ");    }    //删除文本数据    $filenameh = DEDEDATA."/textdata/".(ceil($aid/5000))."/{$aid}-".substr(md5($cfg_cookie_encode),0,16).".txt";    if(@is_file($filenameh)) @unlink($filenameh);    }    if(empty($arcRow['money'])) $arcRow['money'] = 0;    if(empty($arcRow['ismake'])) $arcRow['ismake'] = 1;    if(empty($arcRow['arcrank'])) $arcRow['arcrank'] = 0;    if(empty($arcRow['filename'])) $arcRow['filename'] = '';    //删除HTML    if($arcRow['ismake']==-1 || $arcRow['arcrank']!=0 || $arcRow['typeid']==0 || $arcRow['money']>0)    {    return true;    }    //强制转换非多站点模式，以便统一方式获得实际HTML文件    $GLOBALS['cfg_multi_site'] = 'N';    $arcurl = GetFileUrl($arcRow['aid'],$arcRow['typeid'],$arcRow['senddate'],$arcRow['title'],$arcRow['ismake'],    $arcRow['arcrank'],$arcRow['namerule'],$arcRow['typedir'],$arcRow['money'],$arcRow['filename']);    if(!ereg("?", $arcurl))    {    $htmlfile = GetTruePath().str_replace($GLOBALS['cfg_basehost'],'',$arcurl);    if(file_exists($htmlfile) && !is_dir($htmlfile))    {    @unlink($htmlfile);    $arcurls = explode(".", $htmlfile);    $sname = $arcurls[count($arcurls)-1];    $fname = ereg_replace("(.$sname)$", "", $htmlfile);    for($i=2; $i<=100; $i++)    {    $htmlfile = $fname."_{$i}.".$sname;    if( @file_exists($htmlfile) ) @unlink($htmlfile);    else break;    }    }    }    //解析Body中的资源，并删除    $willDelFiles = GetPicsTruePath($arcBodyRow['body'],$arcRow['litpic']);    $nowtime = time();    $executetime = MyDate('Y-m-d H:i:s',$nowtime);//获得执行时间    $msg = "rn文章标题：$arcRow[title]";    WriteToDelFiles($msg);    if(!empty($willDelFiles))    {    foreach($willDelFiles as $file)    {    if(file_exists($file) && !is_dir($file))    {    if(unlink($file)) $msg = "rn位置：$filern结果：删除成功！rn时间：$executetime";    else $msg = "rn位置：$filern结果：删除失败！rn时间：$executetime";    }    else $msg = "rn位置：$filern结果：文件不存！rn时间：$executetime";    WriteToDelFiles($msg);    }//END foreach    }    else    {    $msg = "rn未在Body中解析到数据rnBody原始数据：$arcBodyRow[body]rn时间：$executetime";    WriteToDelFiles($msg);    }    return true;    }    //获取真实路径    function GetTruePath($siterefer='', $sitepath='')    {    $truepath = $GLOBALS['cfg_basedir'];    return $truepath;    }    ?>