织梦dedecms调用指定栏目的信息

/**
*调用指定栏目的信息
*@paramint $channelid[栏目ID]
*@paramstring $field[调用字段，默认整个数组]
*@returnstring||array
*/
functiongetChannelInfo($channelid,$field){
global$dsql;
$channelid=(int)$channelid;
$sqlquery="SELECT*FROM`dede_arctype`WHERE`id`='{$channelid}'LIMIT0,1";
$cInfo=$dsql->GetOne($sqlquery);
if(!is_array($cInfo)||empty($cInfo)){
returnFALSE;
}
if(!empty($field)){
return$cInfo[$field];
}
return$cInfo;
}