public function store(Request $request)
{
$file = $request->file('photo');
dd($file); //result is null
$file = $request->photo;
//dd($file);//result is "myphoto.jpg",the name of the file.
if ($request->hasFile('photo')) {
dd('ok'); //not be executed.
}
}
input username is ok,file can not be submitted,why is it?