织梦dedecms自定义标签liketags调用tag/keyword相同的相关文章

做啦做啦   织梦教程 标签 代码 自定义 放在

我们在做织梦模板开发时，为了更好的利于seo，在每篇文章下调用与这篇文章有着相同tag或keyword的相关文章。为了实现这个功能，自定义了一个标签：dede:liketags。标签代码如下：

自定义标签代码

1、新建一个文件名称为 liketags.lib.php，存放在/include/taglib/目录下。 该文件代码如下：

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<?php
     if(!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); 
                 $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, 
                 tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath 
                 from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id 
                 where arc.id in($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'>\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) $artlist .= "<tr>\r\n";
             for($j=0; $j < $col; $j++)
             {
                 if($col>1) $artlist .= "    <td width='$colWidth'>\r\n";
                 if($row = $dsql->GetArray("al"))
                 {
                     $ids[] = $row['id'];
                     //处理一些特殊字段  www.zuola.net织梦模板网
                     $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()."\r\n";
                 }
                 //if hasRow
                 else
                 {
                     $artlist .= '';
                 }
                 if($col>1) $artlist .= "    </td>\r\n";
             }
             //Loop Col
             if($col>1) $i += $col - 1;
             if($col>1) $artlist .= "    </tr>\r\n";
         }
         //loop line
         if($col>1) $artlist .= "    </table>\r\n";
         $dsql->FreeResult("al");
         return $artlist;
     }

 

前台模板调用代码如下：

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    {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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