dedecms如何调用专题

{dede:arclist typeid='专题ID' row='10' titlelen='30'}
    <li><a href="[field:arcurl/]" title="[field:title/]" target="_blank">[field:title/]</a></li>
{/dede:arclist}

{dede:sql sql="SELECT * FROM dede_archives WHERE typeid='专题ID' LIMIT 0,10"}
    <li><a href="[field:arcurl/]" title="[field:title/]" target="_blank">[field:title/]</a></li>
{/dede:sql}

<?php
function GetSpecial($typeid) {
    global $dsql;
    $sql = "SELECT * FROM dede_archives WHERE typeid='$typeid' LIMIT 0,10";
    $dsql->SetQuery($sql);
    $dsql->Execute();
    $result = array();
    while ($row = $dsql->GetArray()) {
        $result[] = $row;
    }
    return $result;
}
?>
<ul>
{dede:getspecial typeid='专题ID'}
    <li><a href="[field:arcurl/]" title="[field:title/]" target="_blank">[field:title/]</a></li>
{/dede:getspecial}
</ul>