织梦单独调用上下篇文档标题、链接、缩略图

打开文件：includearc.archives.class.php

找到函数GetPreNext，将函数改为

    function GetPreNext($gtype='')
    {
        $rs = '';
        if(count($this->PreNext)<2)
        {
            $aid = $this->ArcID;
            $preR =  $this->dsql->GetOne("Select id From `#@__arctiny` where id<$aid And arcrank>-1 And typeid='{$this->Fields['typeid']}' order by id desc");
            $nextR = $this->dsql->GetOne("Select id From `#@__arctiny` where id>$aid And arcrank>-1 And typeid='{$this->Fields['typeid']}' order by id asc");
            $next = (is_array($nextR) ? " where arc.id={$nextR['id']} " : ' where 1>2 ');
            $pre = (is_array($preR) ? " where arc.id={$preR['id']} " : ' where 1>2 ');
            $query = "Select arc.id,arc.title,arc.shorttitle,arc.typeid,arc.ismake,arc.senddate,arc.arcrank,arc.money,arc.filename,arc.litpic,
                        t.typedir,t.typename,t.namerule,t.namerule2,t.ispart,t.moresite,t.siteurl,t.sitepath
                        from `#@__archives` arc left join #@__arctype t on arc.typeid=t.id  ";
            $nextRow = $this->dsql->GetOne($query.$next);
            $preRow = $this->dsql->GetOne($query.$pre);
            if(is_array($preRow))
            {
                $mlink = GetFileUrl($preRow['id'],$preRow['typeid'],$preRow['senddate'],$preRow['title'],$preRow['ismake'],$preRow['arcrank'],
                $preRow['namerule'],$preRow['typedir'],$preRow['money'],$preRow['filename'],$preRow['moresite'],$preRow['siteurl'],$preRow['sitepath']);
                $this->PreNext['pre'] = "上一篇：<a href='$mlink'>{$preRow['title']}</a> ";
                $this->PreNext['prem'] = "上一篇：<a href='view.php?aid={$preRow['id']}'>{$preRow['title']}</a> ";
                $this->PreNext['prename'] = "{$preRow['title']}"; //上一篇文档标题
                $this->PreNext['preurl'] = "{$mlink}"; //上一篇文档链接
                $this->PreNext['preimg'] = "<a href='$mlink'><img src="{$preRow['litpic']}" alt="{$preRow['title']}"/></a> "; //上一篇文档缩略图
            }
            else
            {
                $this->PreNext['pre'] = "上一篇：没有了 ";
                $this->PreNext['prename'] ="没有了";
                $this->PreNext['preurl'] = "javascript:;";
                $this->PreNext['preimg'] ="<img src="/templets/default/images/nophoto.jpg" alt="对不起，没有上一图集了！"/>";
            }
            if(is_array($nextRow))
            {
                $mlink = GetFileUrl($nextRow['id'],$nextRow['typeid'],$nextRow['senddate'],$nextRow['title'],$nextRow['ismake'],$nextRow['arcrank'],
                $nextRow['namerule'],$nextRow['typedir'],$nextRow['money'],$nextRow['filename'],$nextRow['moresite'],$nextRow['siteurl'],$nextRow['sitepath']);
                $this->PreNext['next'] = "下一篇：<a href='$mlink'>{$nextRow['title']}</a> ";
                $this->PreNext['nextm'] = "下一篇：<a href='view.php?aid={$preRow['id']}'>{$nextRow['title']}</a> ";
                $this->PreNext['nextname'] = "{$nextRow['title']}"; //下一篇文档标题
                $this->PreNext['nexturl'] = "{$mlink}"; //下一篇文档链接
                $this->PreNext['nextimg'] = "<a href='$mlink'><img src="{$nextRow['litpic']}" alt="{$nextRow['title']}"/></a> ";//下一篇文档缩略图
            }
            else
            {
                $this->PreNext['next'] = "下一篇：没有了 ";
                $this->PreNext['nextname'] ="没有了";
                $this->PreNext['nexturl'] = "javascript:;";
                $this->PreNext['nextimg'] ="<a href='javascript:void(0)' alt=""><img src="/templets/default/images/nophoto.jpg" alt="对不起，没有下一图集了！"/></a>";
            }
        }
        if($gtype=='pre')
        {
            $rs =  $this->PreNext['pre'];
        }
        else if($gtype=='next')
        {
            $rs =  $this->PreNext['next'];
        }
        else if($gtype=='prem'){
            $rs = $this->PreNext['prem'];}
        else if($gtype=='nextm'){
            $rs = $this->PreNext['nextm'];
        }
        else if($gtype=='prename'){
            $rs = $this->PreNext['prename'];
        }
        else if($gtype=='preurl'){
            $rs = $this->PreNext['preurl'];
        }
        else if($gtype=='preimg'){
            $rs =  $this->PreNext['preimg'];
        }
        else if($gtype=='nextname'){
            $rs = $this->PreNext['nextname'];
        }
        else if($gtype=='nexturl'){
            $rs = $this->PreNext['nexturl'];
        }
        else if($gtype=='nextimg'){
            $rs =  $this->PreNext['nextimg'];
        }
        else
        {
            $rs =  $this->PreNext['pre']." &nbsp; ".$this->PreNext['next'];
        }
        return $rs;
    }