DedeCMS通过Tag和Keyword标签获取相关文章方法

PetitQ DedeCMS织梦 2018-11-17 1.58K 0 0

DedeCMS 默认自带的相关文章是 likearticle 标签实现，实际应用的时候发现这个标签调用的相关文章并不完美，我们需要改进下，一般我们要调用相关文章都是以 Tag 或者 keyword 匹配，我们今天就做下改进，实现全站按 TAG 和关键字调用相关文章，这个方法可单用 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。具体方法如下，把下面的 php 代码换掉 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 `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 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 ";

```
        }
```
```
      $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";

```
    }
```
```
    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'> ";

```
  }
```
```
  $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'>";

        $row['imglink'] = "<a href='".$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;
```
```
}
```
```
?>
```

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DedeCMS 通过 Tag 和 Keyword 标签获取相关文章方法

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