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

时间： 2018-12-05 08:31 阅读：次作者：素材无忧网

我们在做开发时，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.dedecms51.com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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