这篇文章给大家分享的是有关dedecms织梦tag keyword调用相关文章的方法的内容。小编觉得挺实用的，因此分享给大家做个参考。一起跟随小编过来看看吧。

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dedecms织梦tag keyword怎么调用相关文章？

DEDE官方的dede:likearticle是利用文章中输入的关键词或者自动分词形成的关键词来关联文章，但是有时候自动生成的关键词并不精确，造成关联不准，这里我们通过自定义一个类库文件来实现精准获取相关文章

可以单用tag来调用相关文章,也可用tag+keyword来调用相关文章(默认tag优先于keyword,可以自己排序)

在 \include\taglib\ 下添加一个liketags.lib.php 代码如下

CAttribute->Items,$attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    $revalue = '';
      
    if(empty($tablewidth)) $tablewidth = 100;
    if(empty($col)) $col = 1;
    $colWidth = ceil(100/$col);
    $tablewidth = $tablewidth."%";
    $colWidth = $colWidth."%";
$orwheres = '';
if($flag != '') {
$flags = explode(',', $flag);
for($i=0; isset($flags[$i]); $i++) $orwheres .= " AND FIND_IN_SET('{$flags[$i]}', arc.flag)>0 ";
}
  
    $ids = array();
    $tids = array();
      
    if(!empty($refObj->Fields['tags'])) {
        $keyword = $refObj->Fields['tags'];
    }
    else {
        $keyword = ( !empty($refObj->Fields['keywords']) ? $refObj->Fields['keywords'] : '' );
    }
      
    $typeid = ( !empty($mytypeid) ? $mytypeid : 0 );
    if(empty($typeid))
    {
        if(!empty($refObj->Typelink->TypeInfos['reid'])) {
             $typeid = $refObj->Typelink->TypeInfos['reid'];
        }
        else {
             if(!empty($refObj->Fields['typeid'])) $typeid = $refObj->Fields['typeid'];
        }
    }
      
    if( !empty($typeid) && !preg_match('#,#', $typeid) ) {
        $typeid = GetSonIds($typeid);
    }
      
if(!empty($refObj->Fields['tags']) && $eregtype != 'keyword' )
{
$tags = explode(',', addslashes($refObj->Fields['tags']));
$getsql = " tag like '".join("' OR tag like '", $tags)."' ";
$dsql->Execute('me', "Select * From `dede_tagindex` where $getsql ");
while($arow = $dsql->GetArray('me'))
{
$tids[] = $arow['id'];
}
$tid = join(',', $tids);
if($tid!='')
{
061
$dsql->Execute("me", "Select aid From `dede_taglist` where tid in($tid) And arcrank > -1 group by aid order by aid desc");
while($arow = $dsql->GetArray("me"))
{
$ids[] = $arow['aid'];
$arcid =  $refObj->Fields['aid'];
}
}
}
if($eregtype == 'tag' && count($ids) == 0 )
{
return;
}
else
{
if(count($ids) > 0)
{
if(!empty($typeid))
{
$typeid = " And arc.typeid in($typeid) And arc.id<>$arcid ";
}
$idsStr = join(',', $ids);
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
where arc.arcrank>-1 and arc.id in($idsStr) $typeid order by arc.id desc limit 0, $row";
}
else
{
$limitRow = $row - count($ids);
$keyword = '';
if(!empty($refObj->Fields['keywords']))
{
$keywords = explode(',' , trim($refObj->Fields['keywords']));
$keyword = '';
$n = 1;
foreach($keywords as $k)
{
if($n > 3)  break;
  
if(trim($k)=='') continue;
else $k = addslashes($k);
  
$keyword .= ($keyword=='' ? " CONCAT(arc.keywords,' ',arc.title) like '%$k%' " : " OR CONCAT(arc.keywords,' ',arc.title) like '%$k%' ");
$n++;
}
}
$arcid = (!empty($refObj->Fields['id']) ? $refObj->Fields['aid'] : 0);
if( empty($arcid) || $byabs==0 )
{
$orderquery = " order by arc.id desc ";
}
else
{
$orderquery = " order by ABS(arc.id - ".$arcid.") ";
}
if($keyword != '')
{
if(!empty($typeid))
{
$typeid = " And arc.typeid in($typeid) And arc.id<>$arcid ";
}
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
where arc.arcrank>-1 and ($keyword)  $typeid $orderquery limit 0, $row";
}
else
{
if(!empty($typeid))
{
$typeid = " arc.typeid in($typeid) And arc.id<>$arcid ";
}
$query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id
where arc.arcrank>-1 and  $typeid $orderquery limit 0, $row";
}
}
}
  
    $innertext = trim( $ctag->GetInnerText() );
    if($innertext=='') $innertext = GetSysTemplets('part_arclist.htm');
    $dsql->SetQuery($query);
    $dsql->Execute('al');
    $artlist = '';
    if($col > 1){
        $artlist = "\r\n";
    }
    $dtp2 = new DedeTagParse();
    $dtp2->SetNameSpace('field', '[', ']');
    $dtp2->LoadString($innertext);
    $GLOBALS['autoindex'] = 0;
    $line = $row;
    for($i=0; $i < $line; $i++)
    {
        if($col>1) $artlist .= "\r\n";
        for($j=0; $j < $col; $j++)
        {
            if($col>1) $artlist .= "    \r\n";
        }
        //Loop Col
        if($col>1) $i += $col - 1;
        if($col>1) $artlist .= "    \r\n";
    }
    //loop line
    if($col>1) $artlist .= "    
\r\n";
            if($row = $dsql->GetArray("al"))
            {
                $ids[] = $row['id'];
                //处理一些特殊字段
                $row['info'] = $row['infos'] = cn_substr($row['description'],$infolen);
                $row['id'] =  $row['id'];
  
                if($row['corank'] > 0 && $row['arcrank']==0)
                {
                    $row['arcrank'] = $row['corank'];
                }
  
                $row['filename'] = $row['arcurl'] = GetFileUrl($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']);
  
                $row['typeurl'] = GetTypeUrl($row['typeid'],$row['typedir'],$row['isdefault'],$row['defaultname'],$row['ispart'],
                $row['namerule'],$row['moresite'],$row['siteurl'],$row['sitepath']);
  
                if($row['litpic'] == '-' || $row['litpic'] == '')
                {
                    $row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif';
                }
                if(!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y')
                {
                    $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];
                }
                $row['picname'] = $row['litpic'];
                $row['stime'] = GetDateMK($row['pubdate']);
                $row['typelink'] = "".$row['typename']."";
                $row['image'] = "<]#","",$row['title'])."'>";
                $row['imglink'] = "".$row['image']."";
                $row['fulltitle'] = $row['title'];
                $row['title'] = cn_substr($row['title'], $titlelen);
                if($row['color']!='') $row['title'] = "".$row['title']."";
                if(preg_match('#b#', $row['flag'])) $row['title'] = "".$row['title']."";
                $row['textlink'] = "".$row['title']."";
                $row['plusurl'] = $row['phpurl'] = $GLOBALS['cfg_phpurl'];
                $row['memberurl'] = $GLOBALS['cfg_memberurl'];
                $row['templeturl'] = $GLOBALS['cfg_templeturl'];
                  
                if(is_array($dtp2->CTags))
                {
                    foreach($dtp2->CTags as $k=>$ctag)
                    {
                        if($ctag->GetName()=='array') {
                            $dtp2->Assign($k,$row);
                        }
                        else {
                            if(isset($row[$ctag->GetName()])) $dtp2->Assign($k,$row[$ctag->GetName()]);
                            else $dtp2->Assign($k,'');
                        }
                    }
                    $GLOBALS['autoindex']++;
                }
  
                $artlist .= $dtp2->GetResult()."\r\n";
            }
            //if hasRow
            else
            {
                $artlist .= '';
            }
            if($col>1) $artlist .= "    
\r\n";
    $dsql->FreeResult("al");
    return $artlist;
}

前台模板调用

{dede:liketags row='3' mytypeid='6' eregtype='all|tag|keyword' titlelen='250' infolen='250'}






[field:title/]
[field:description /]



{/dede:liketags}

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