DedeCms用tag调用全站相关文章

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，经测试效果极佳 

1.把下边代码保存到文章模版的适当位置 

<div class="xgwz">  
     <dl class="tbox">  
           <dt><strong>相关文章</strong></dt>  
               <dd>  
                  <ul class="c1 ico2">  
                       {dede:likearticle col='2' row='10' titlelen='42' eregtype=all|tag|keyword}  
                             <li><a href="[field:arcurl/]">[field:title/]</a></li>  
                      {/dede:likearticle}  
                  </ul>  
               </dd>  
     </dl>  
</div>

　　

2.把下边的php代码替换掉include/taglib/likearticle.lib里的代码 

<?php 
if(!defined('DEDEINC')) exit('Request Error!'); 
/*-------------------------------------- 
按关键词关连文章的标签 
eregtype属性  
eregtype = keyword 只匹配关键字 
eregtype = tag 只匹配tag 
eregtype = all tag优先，不存在tag则匹配关键字 
mytypeid='' 栏目ID,多个栏目用,隔开 
---------------------------------------*/
function lib_likearticle(&$ctag,&$refObj) 
{ 
 global $dsql; 
      
 //属性处理 
 $attlist="row|12,titlelen|28,infolen|150,col|1,tablewidth|100,mytypeid|0,byabs|0,imgwidth|120,imgheight|90"; 
 FillAttsDefault($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."%"; 
      
 $ids = array(); 
 $tids = array(); 
     
     
      
 $typeid = ( !empty($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) && !ereg(',', $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 zmb_tagindex where $getsql "); 
  while($arow = $dsql->GetArray('me')) { 
   $tids[] = $arow['id']; 
  } 
  $tid = join(',', $tids); 
  if($tid!='') 
  { 
   $dsql->Execute("me", "Select aid From zmb_taglist where tid in($tid) And arcrank > -1 group by aid order by aid desc limit 0, $row"); 
   while($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 "; 调用整站相关文章
     $typeid = "And arc.id<>$arcid"; 
    } 
   $idsStr = join(',', $ids); 
   $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, 
            tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath 
            from zmb_archives arc left join zmb_arctype tp on arc.typeid=tp.id 
            where arc.id in($idsStr) $typeid order by arc.id desc"; 
  } 
  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 "; 
    } 
    $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, 
            tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath 
            from zmb_archives arc left join zmb_arctype tp on arc.typeid=tp.id 
            where arc.arcrank>-1 and ($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 zmb_archives arc left join zmb_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'>
"; 
 } 
 $dtp2 = new DedeTagParse(); 
 $dtp2->SetNameSpace('field', '[', ']'); 
 $dtp2->LoadString($innertext); 
 $GLOBALS['autoindex'] = 0; 
 $line = $row; 
 for($i=0; $i < $line; $i++) 
 { 
  if($col>1) $artlist .= "<tr>
"; 
  for($j=0; $j < $col; $j++) 
  { 
   if($col>1) $artlist .= " <td width='$colWidth'>
"; 
   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'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif'; 
    } 
    if(!eregi("^http://",$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='".ereg_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']."'>".$row['title']."</font>"; 
    if(ereg('b',$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()."
"; 
   } 
   //if hasRow 
   else
   { 
    $artlist .= ''; 
   } 
   if($col>1) $artlist .= " </td>
"; 
  } 
  //Loop Col 
  if($col>1) $i += $col - 1; 
  if($col>1) $artlist .= " </tr>
"; 
 } 
 //loop line 
 if($col>1) $artlist .= " </table>
"; 
 $dsql->FreeResult("al"); 
 return $artlist; 
} 
?>