dedecms织梦tag keyword调用相关文章的方法

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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.sitepathfrom `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.idwhere 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.sitepathfrom `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.idwhere 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.sitepathfrom `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.idwhere 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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