织梦DedeCMS三级四级栏目无限级调用

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这篇文章主要介绍了织梦 dede 调用四级栏目的实现方法的相关资料，觉得挺不错的，现在分享给大家，也给大家做个参考，估计做网站的朋友很多都是用织梦，小编也有自己的一些心得体会，接下来就分享一下轻松调用织梦的四级栏目，通俗易懂的说明，需要的朋友可以参考借鉴。织梦调用四级或者无限级子栏目，首先需要修改文件：includetaglibchannel.lib.php，请将以下代码全部复制替换上述文件：

<?php

function lib_channel(&$ctag,&$refObj)

{

global $_sys_globals,$envs,$dsql;

$attlist = "typeid|0,reid|0,row|100,col|1,type|son,currentstyle|";

FillAttsDefault($ctag->CAttribute->Items,$attlist);

extract($ctag->CAttribute->Items,EXTR_SKIP);

$innertext = $ctag->GetInnerText();

$cacheid = trim($cacheid);

if($cacheid !='') {

$likeType = GetCacheBlock($cacheid);

if($likeType != '') return $likeType;

}

?

$reid = 0;

$topid = 0;

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,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,description

From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row";

}

//And id<>'$typeid'

$needRel = false;

$dtp2 = new DedeTagParse();

$dtp2->SetNameSpace("field","[","]");

$dtp2->LoadSource($innertext);

$dsql2 = clone $dsql;

$dsql->SetQuery($sql);

$dsql->Execute();

$line = $row;

//检查是否有子栏目，并返回rel提示（用于二级菜单）

if(ereg(':rel',$innertext)) $needRel = true;

?

if(empty($sql)) return '';

$dsql->SetQuery($sql);

$dsql->Execute();

?

$totalRow = $dsql->GetTotalRow();

$GLOBALS['autoindex'] = 0;

for($i=0;$i < $line;$i++)

{

if($col>1) $likeType .= "<dl>rn";

for($j=0;$j<$col;$j++)

{

if($col>1) $likeType .= "<dd>rn";

if($row=$dsql->GetArray())

{

$row['sonids'] = $row['rel'] = '';

if($needRel)

{

$row['sonids'] = GetSonIds($row['id'],false);

if($row['sonids']=='') $row['rel'] = '';

else $row['rel'] = " rel='dropmenu{$row['id']}'";

}

//处理同级栏目中，当前栏目的样式

if( ($row['id']==$typeid || ($topid==$row['id'] && $type=='top') ) && $currentstyle!='' )

{

if($currentstyle!='')

{

$linkOkstr = $currentstyle;

$row['typelink'] = GetOneTypeUrlA($row);

$linkOkstr = str_replace("~rel~",$row['rel'],$linkOkstr);

$linkOkstr = str_replace("~id~",$row['id'],$linkOkstr);

$linkOkstr = str_replace("~typelink~",$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 (preg_match('/^sonchannel[0-9]*$/',$ctag->GetName()))

{

$dtp2->Assign($tagid,lib_channel_son($ctag,$dsql2));

}

}

}

$likeType .= $dtp2->GetResult();

}

}

if($col>1) $likeType .= "</dd>rn";

$GLOBALS['autoindex']++;

}//Loop Col

if($col>1)

{

$i += $col - 1;

$likeType .= " </dl>rn";

}

}//Loop for $i

reset($dsql2);

$dsql->FreeResult();

return $likeType;

}

function lib_channel_son($ctag,$typeid = 0,$dsql2)

{

$attlist = "row|100,EXTR_SKIP);

$innertext = $ctag->GetInnerText();

$dsql3 = clone $dsql2;

$likeType = '';

//if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];

if($typeid==0) {

return '';

}

$sql = "Select id,$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 .= "<dl>rn";

for($j=0;$j<$col;$j++)

{

if($col>1) $likeType .= "<dd>rn";

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,$dsql3));

}

}

}

$likeType .= $dtp2->GetResult();

}

if($col>1) $likeType .= "</dd>rn";

}//Loop Col

if($col>1)

{

$i += $col - 1;

$likeType .= " </dl>rn";

}

}//Loop for $i

reset($dsql3);

$dsql2->FreeResult();

return $likeType;

}

?>

模板调用：

{dede:channel type='son' typeid='3'}

[field:typename/]

<ul>

[field:sonchannel0]

<li><a href="[field:typelink/]">[field:typename/]</a></li>

[field:sonchannel1]

<li><a href="[field:typelink/]">---[field:typename/]</a></li>

[field:sonchannel2]

<li><a href="[field:typelink/]">===[field:typename/]</a></li>

[field:sonchannel3]

<li><a href="[field:typelink/]">===[field:typename/]</a></li>

[/field:sonchannel3]

[/field:sonchannel2]

[/field:sonchannel1]

[/field:sonchannel0]

</ul>

{/dede:channel}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程之家。

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