dedecms织梦tag keyword调用相关文章

摘要:官方的dede:likearticle并没有那么精准的输出相关文章,下面我们自定义一个类库文件来实现精准获取相关文章 官方的dede:likearticle并没有那么精准的输出相关文章,下面我们自定义一个类库文件来实现精准获取相关文章   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)非常适合SEO   在 includetaglib 下添加一个liketags.lib.php 代码如下  
<?phpif(!defined('DEDEINC')) exit('Request Error!');function lib_liketags(&$ctag,&$refObj){

global $dsql;



//属性处理

$attlist="row|12,titlelen|30,infolen|250,col|1,tablewidth|100,mytypeid|0,byabs|0,imgwidth|120,imgheight|90,flag|";

FillAttsDefault($ctag->CAttribute->Items,$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!=''){$dsql->Execute("me", "Select aid From `dede_taglist` where tid in($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){



$artlist = "<table width='$tablewidth' border='0' cellspacing='0' cellpadding='0'>rn";

}

$dtp2 = new DedeTagParse();

$dtp2->SetNameSpace('field', '[', ']');

$dtp2->LoadString($innertext);

$GLOBALS['autoindex'] = 0;

$line = $row;

for($i=0; $i < $line; $i++)

{



if($col>1) $artlist .= "<tr>rn";



for($j=0; $j < $col; $j++)



{





if($col>1) $artlist .= "

<td width='$colWidth'>rn";





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'],







$row['namerule2'],$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']);







$row['typelink'] = "<a href='".$row['typeurl']."'>".$row['typename']."</a>";







$row['image'] = "<img src='".$row['picname']."' border='0' width='$imgwidth' height='$imgheight' alt='".preg_replace("#['><]#","",$row['title'])."'>";







$row['imglink'] = "<a href='".$row['filename']."'>".$row['image']."</a>";







$row['fulltitle'] = $row['title'];







$row['title'] = cn_substr($row['title'], $titlelen);







if($row['color']!='') $row['title'] = "<font color='".$row['color']."'>".$row['title']."</font>";







if(preg_match('#b#', $row['flag'])) $row['title'] = "<strong>".$row['title']."</strong>";







$row['textlink'] = "<a href='".$row['filename']."'>".$row['title']."</a>";







$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()."rn";





}





//if hasRow





else





{







$artlist .= '';





}





if($col>1) $artlist .= "

</td>rn";



}



//Loop Col



if($col>1) $i += $col - 1;



if($col>1) $artlist .= "

</tr>rn";

}

//loop line

if($col>1) $artlist .= "

</table>rn";

$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'}<li><a href="[field:arcurl/]" title="[field:title/]" target="_blank"><div class="list-img"><img src="[field:litpic/]" alt="[field:title/]"/></div><div class="list-info"><p class="title">[field:title/]</p><p class="meta">[field:description /]</p></div></a></li>{/dede:liketags}

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