求教dedecms如何调取当前栏目及当前栏目的二级分类 ~

一、修改文件：\include\taglib目录下的channellibphp，请将以下代码全部复制替换上述文件

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_listhtm");

    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'

    $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>\r\n";

        for($j=0;$j<$col;$j++)

        {

            if($col>1) $likeType = "<dd>\r\n";

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

            {

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

                if($needRel)

                {

                    $row['sonids'] = GetSonIds($row['id'], 0, 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($ctag,$row['id'],$dsql2));

                            }

                        }

                    }

                    $likeType = $dtp2->GetResult();

                }

            }

            if($col>1) $likeType = "</dd>\r\n";

            $GLOBALS['autoindex']++;

        }//Loop Col

        if($col>1)

        {

            $i += $col - 1;

            $likeType = "    </dl>\r\n";

        }

    }//Loop for $i

    reset($dsql2);

    $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();

    $dsql3 = clone $dsql2;

    $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 = "<dl>\r\n";

        for($j=0;$j<$col;$j++)

        {

            if($col>1) $likeType = "<dd>\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 (preg_match('/^sonchannel[0-9]$/',$ctag->GetName()))

                        {

                            $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql3));

                        }

                    }

                }

                $likeType = $dtp2->GetResult();

            }

            if($col>1) $likeType = "</dd>\r\n";

        }//Loop Col

        if($col>1)

        {

            $i += $col - 1;

            $likeType = "    </dl>\r\n";

        }

    }//Loop for $i

    reset($dsql3);

    $dsql2->FreeResult();

    return $likeType;

}

>

二、在模板调用

实例：

              [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}

模板调用    [field:sonchannel0] [/field:sonchannel0] 这个是用来取子栏目用的（使用[sonchannel+数字] 作为标签名是为了防止嵌套的时候无法正确解析标签）

这个的作用就是当你的栏目有很多子栏目 无限分级的时候方便你取子栏目的。

channelArtlist 是唯一一个可以直接嵌套其它标记的标记，不过仅限于嵌套

{dede:type}{/dede:type} 和 {dede:arclist}{/dede:arclist} 两个标记

你嵌套了 {dede:channel}所以有问题

调用多级子栏目讲参考：http://hibaiducom/kfs920/item/58aaec4c6e1d76e3dd0f6c37

同时调用一级、二级、三级以至N级栏目的方法：http://hibaiducom/kfs920/item/80ac8871ebe3c2236cc37c38

这是子栏目调用：

{dede:channel type='son'}

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

{/dede:channel}