HTML:
{!! Form::file('images[]', ['id'=>'images_id']) !!}

controller:

if($request->hasFile('images')){
    foreach($request->file('images') as $file) {
        $file->move(base_path().'/public/uploads/', $file->getClientOriginalName());
    }
}

来自 https://segmentfault.com/q/1010000004923615