public function deleteDelete($id)
{
$nomination = Nomination::find($id);
if (is_null($nomination)) {
return back()->withErrors('没有这个候选投票');
} elseif ($nomination->delete()) {
return redirect('nomination/list')->with('status', '候选投票删除成功');
} else {
return back()->withErrors('候选投票删除失败');
}
}
