DedeCMS V5.6缩略图不加水印的处理方法

function GetCurContent($body) 
{ 
global $cfg_multi_site,$cfg_basehost,$cfg_basedir,$cfg_image_dir,$autolitpic,$litpic; 
$autolitpic = (empty($autolitpic) ? '' : $autolitpic); 

$value = trim($value); 
$rndFileName = $imgPath.'/'.$milliSecondN.'-'.$key.$itype; 
$fileurl = $imgUrl.'/'.$milliSecondN.'-'.$key.$itype; 
$rs = $htd->SaveToBin($rndFileName); 

if($autolitpic==1 && $litpic=='') 
{ 
$litpic = GetDDImgFromBody($body); 
} 

function AnalyseHtmlBody($body,&$description,&$litpic,&$keywords,$dtype='') 
{ 
global $autolitpic,$remote,$dellink,$autokey,$cfg_basehost,$cfg_auot_description,$id,$title,$cfg_soft_lang; 
$autolitpic = (empty($autolitpic) ? '' : $autolitpic); 
$body = stripslashes($body); 
//远程图片本地化 
if($remote==1) 
{ 
$body = GetCurContent($body); 
} 
//删除非站内链接 
if($dellink==1) 
{ 
$basehost = "http://".$_SERVER['HTTP_HOST']; 
$body = str_replace($cfg_basehost,'#basehost#',$body); 
$body = str_replace($basehost,'#2basehost2#',$body); 
$body = preg_replace("/(]*)>)|(<\/a>)/isU","",$body); 
$body = str_replace('#basehost#',$cfg_basehost,$body); 
$body = str_replace('#2basehost2#',$basehost,$body); 
} 
//自动摘要 
if($description=='' && $cfg_auot_description>0) 
{ 
$description = cn_substr(html2text($body),$cfg_auot_description); 
$description = trim(preg_replace('/ 
/','',$description)); 
$description = addslashes($description); 
} 

if($autolitpic==1 && $litpic=='') 
{ 
$litpic = GetDDImgFromBody($body); 
} 

//if($autolitpic==1 && $litpic=='') 
//{ 
//$litpic = GetDDImgFromBody($body); 
//}