织梦搜索指定多个栏目的文档

<form name="formsearch" action="/plus/search.php">
<input type="hidden" name="typeid" value="1,2,3">

</form>

/plus/search.php

$typeid = (isset($typeid) && is_numeric($typeid)) ? $typeid : 0;

$typeid = intval($typeid);

\include\arc.searchview.class.php

$ksqls[] = " typeid IN (".GetSonIds($this->TypeID).") ";

//指定了多个栏目时
if( preg_match('#,#', $this->TypeID) )
{
$typeids = explode(',', $this->TypeID);
foreach($typeids as $ttid) {
$typeidss[] = GetSonIds($ttid);
}
$typeidStr = join(',', $typeidss);
$typeidss = explode(',', $typeidStr);
$typeidssok = array_unique($typeidss);
$typeid = join(',', $typeidssok);
$ksqls[] = " arc.typeid IN ($typeid) ";
}
else
{
$ksqls[] = " arc.typeid IN (".GetSonIds($this->TypeID).") ";
}