分页

$param['page_size'] = (int)($param['page_size'] ?? 0);
$param['current'] = (int)($param['current'] ?? 1);

if($param['page_size']==0){
    $list = $list->get()->toArray();
}else{
    $list = $list
        ->limit($param['page_size'])
        ->offset(($param['current'] - 1) * $param['page_size'])
        ->get()
        ->toArray();
}