在网站建设与内容管理系统中,DedeCMS 是一个非常受欢迎的选择。它提供了丰富的功能和灵活的模板系统,使用户能够轻松构建复杂的网站结构。本文将探讨如何通过修改 DedeCMS 的核心文件来实现更高级的功能,并优化 SEO 效果。

首先,我们需要对 channerl.lib.php 文件进行修改。这个文件负责生成导航栏和其他频道相关的 HTML 代码。


CAttribute->Items,$attlist);
extract($ctag->CAttribute->Items, EXTR_SKIP);
$innertext = $ctag->GetInnerText();
if(empty($typeid) && $envs['typeid']!=0)
{
$typeid = $envs['typeid'];
$reid = $envs['reid'];
}else{
$reid=0;
}

if($type==''||$type=='sun') $type="son";
if($innertext=='') $innertext = GetSysTemplets("channel_list.htm");

if($reid==0 && $typeid>0)
{
$dbrow = $dsql->GetOne("Select reid From dede_arctype where id='$typeid' ");
if(is_array($dbrow)) $reid = $dbrow['reid'];
}

$likeType = '';
if($type=='top')
{
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
From dede_arctype where reid=0 And ishidden<>1 order by sortrank asc limit 0,$row";
}
else if($type=="son")
{
//if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];
if($typeid==0) {
return '';
}
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
From dede_arctype where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row";
}
else if($type=="self")
{
if($reid==0) {
return '';
}
$sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row";
}
//And id<>'$typeid'
$dtp2 = new DedeTagParse();
$dtp2->SetNameSpace("field","[","]");
$dtp2->LoadSource($innertext);
$dsql2 = clone $dsql;
$dsql->SetQuery($sql);
$dsql->Execute();

$line = $row;
$GLOBALS['autoindex'] = 0;
for($i=0;$i < $line;$i++)
{
if($col>1) $likeType .= "
\\\\r\\\\n"; for($j=0;$j<$col;$j++) { if($col>1) $likeType .= "
\\\\r\\\\n"; if($row=$dsql->GetArray()) { if($type=='self' && $row['id']==$typeid) //处理同级栏目中,当前栏目的样式 { if($currentstyle!='') { $linkOkstr = $currentstyle; $row['typelink'] = GetOneTypeUrlA($row); $linkOkstr = str_replace("~typelink~",$row['typelink'],$linkOkstr); $linkOkstr = str_replace("~typename~",$row['typename'],$linkOkstr); $likeType .= $linkOkstr; } }else { $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row); if(is_array($dtp2->CTags)) { foreach($dtp2->CTags as $tagid=>$ctag){ if(isset($row[$ctag->GetName()])) { $dtp2->Assign($tagid,$row[$ctag->GetName()]); } elseif ('sonchannel' == $ctag->GetName()) { $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql2)); } } } $likeType .= $dtp2->GetResult(); } } if($col>1) $likeType .= "
\\\\r\\\\n"; $GLOBALS['autoindex']++; }//Loop Col if($col>1) { $i += $col - 1; $likeType .= "
\\\\r\\\\n"; } }//Loop for $i $dsql->FreeResult(); return $likeType; } function lib_channel_son($ctag,$typeid = 0,$dsql2) { $attlist = "row|100,col|1,currentstyle|"; FillAttsDefault($ctag->CAttribute->Items,$attlist); extract($ctag->CAttribute->Items, EXTR_SKIP); $innertext = $ctag->GetInnerText(); $likeType = ''; //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid']; if($typeid==0) { return ''; } $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description From dede_arctype where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row"; //And id<>'$typeid' $dtp2 = new DedeTagParse(); $dtp2->SetNameSpace("field","[","]"); $dtp2->LoadSource($innertext); $dsql2->SetQuery($sql); $dsql2->Execute(); $line = $row; for($i=0;$i < $line;$i++) { if($col>1) $likeType .= "
\\\\r\\\\n"; for($j=0;$j<$col;$j++) { if($col>1) $likeType .= "
\\\\r\\\\n"; if($row=$dsql2->GetArray()) { $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row); if(is_array($dtp2->CTags)) { foreach($dtp2->CTags as $tagid=>$ctag){ if(isset($row[$ctag->GetName()])) { $dtp2->Assign($tagid,$row[$ctag->GetName()]); } elseif ('sonchannel' == $ctag->GetName()) { $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql2)); } } } $likeType .= $dtp2->GetResult(); } if($col>1) $likeType .= "
\\\\r\\\\n"; }//Loop Col if($col>1) { $i += $col - 1; $likeType .= "
\\\\r\\\\n"; } }//Loop for $i $dsql2->FreeResult(); return $likeType; } ?>

接下来,在模板中调用上述功能:


{dede:channel type='son' typeid='14'}



{/dede:channel}
    

通过这样的修改,您可以更灵活地控制导航栏的显示方式,并且可以更好地优化网站的 SEO 表现。请确保在修改核心文件之前备份您的网站文件,以防止意外的数据丢失。


希望这篇文章能为您提供有价值的参考信息。如果您有任何问题或需要进一步的帮助,请随时联系我们。