public function editSupply($supply){
$validator = self::validator();
if($validator->fails()){
return back()->withErrors($validator->errors())->withInput();
}
DB::tansaction(function() use(&$supply) {
$supply ->supply->update([
'title' => request('title'),
'images' => request('images'),
'desc' => request('desc'),
]);
$supply->update(request()->all());
});
if ($supply != null ) {
return redirect('user/supply');
} else {
return back()->withErrors('创建失败')->withInput();
}
}