dedecms 织梦CMS tag keyword 调用相关文章代码及方法

DEDECMS 织梦
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
includetaglib 下添加一个liketags.lib.php 代码如下

<?php  
if(!defined('DEDEINC')) exit('Request Error!');  
function lib_liketags(&$ctag,&$refObj)  
{  
    global $dsql;  
       
    //属性处理  
    $attlist="row|12,titlelen|30,infolen|250,col|1,tablewidth|100,mytypeid|0,byabs|0,imgwidth|1,imgheight|90,flag|";  
    FillAttsDefault($ctag->CAttribute->Items,$attlist);  
    extract($ctag->CAttribute->Items, EXTR_SKIP);  
    $revalue = '';  
       
    if(emptyempty($tablewidth)) $tablewidth = 100;  
    if(emptyempty($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(!emptyempty($refObj->Fields['tags'])) {  
        $keyword = $refObj->Fields['tags'];  
    }  
    else {  
        $keyword = ( !emptyempty($refObj->Fields['keywords']) ? $refObj->Fields['keywords'] : '' );  
    }  
       
    $typeid = ( !emptyempty($mytypeid) ? $mytypeid : 0 );  
    if(emptyempty($typeid))  
    {  
        if(!emptyempty($refObj->Typelink->TypeInfos['reid'])) {  
             $typeid = $refObj->Typelink->TypeInfos['reid'];  
        }  
        else {  
             if(!emptyempty($refObj->Fields['typeid'])) $typeid = $refObj->Fields['typeid'];  
        }  
    }  
       
    if( !emptyempty($typeid) && !preg_match('#,#', $typeid) ) {  
        $typeid = GetSonIds($typeid);  
    }  
       
if(!emptyempty($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(!emptyempty($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);  
$keyword = '';  
if(!emptyempty($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++;  
}  
}  
$arcid = (!emptyempty($refObj->Fields['id']) ? $refObj->Fields['aid'] : 0);  
if( emptyempty($arcid) || $byabs==0 )  
{  
$orderquery = " order by arc.id desc ";  
}  
else  
{  
$orderquery = " order by ABS(arc.id - ".$arcid.") ";  
}  
if($keyword != '')  
{  
if(!emptyempty($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, $row";  
}  
else  
{  
if(!emptyempty($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  
                $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']);  
                $row['typelink'] = "<a href='".$row['typeurl']."'>".$row['typename']."</a>";  
                $row['image'] = "<img src='".$row['picname']."' border='' 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

view plainprint?
{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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