修改channel.lib.php实现DedeCMS多级栏目嵌套

前段时间做了个产品站,产品栏目分类为三级目录客户想在前端将三级目录全部显示出来,而系统的channel标签只能获取下级分类,所以就报改了channel.lib.php这个文件让他支持多级栏目嵌套代码如下:

<?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();

    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 = $dsql->GetOne("Select reid From net_arctype where id='$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 net_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 net_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 `net_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 .= "<dl>\\r\\n";

        for($j=0;$j<$col;$j++)

        {

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

}

?>

将以上代码全部替换channel.lib.php文件内容就可以了,附前端调用的示例

{dede:channel type='top'}

[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}

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