no record inserted in the database in laravel - laravel

Question

I have tried many times to insert a product which belongs to a category without change in the database
this is controller
class ProduitController extends Controller
{
public function store(Request $request)
{
$pdt=new Produit();
$pdt->nom=$request->input('nomPdt');
$pdt->libelle=$request->input('libelle');
$pdt->qte_stock=$request->input('qte');
$pdt->pu=$request->input('pu');
$pdt->categorie_id=$request->input('categorie');
$pdt->etat=1;
$pdt->save();
}}
View
<form action="{{url('produit/'.$pdt->id)}}" method="post">
<label for="nom">nom:</label><br>
<input type="text" id="" name="nom" value=""><br>
<label for="libelle">libellé:</label><br>
<input type="text" id="" name="libelle" value=""><br>
<label for="qte">Qte en stock:</label><br>
<input type="number" id="" name="qte" value="" min="0"><br>
<label for="pu">PU:</label><br>
<input type="number" id="" name="pu" value="" min="0"><br>
<label for="etat">Etat:</label>
<input type="checkbox" id="" name="etat" ><br>
<label for="selectCategorie">Categorie:</label>
<select id="" name="selectCategorie">
<option value="selectionnez">selectionnez</option>
#foreach ($categories as $cat)
<option value="{{ $cat->id }}"> {{ $cat->nom }} </option>
#endforeach
</select>
for the product table associated with the category table

Answer 1

We aren’t seeing the full picture of the route and uri here. It would be worth verify that. The easiest what to do that would be a temporary dd(‘here’); at the top of your controller's store() method to make sure you are reaching the controller method you expect to. Once that’s verified, you can remove the dd() and move on with confidence.
A few of the input names you reference within the controller do not match those in your form. You need to make sure everything matches the names from the forms.
$pdt=new Produit();
$pdt->nom=$request->input('nom');
$pdt->libelle=$request->input('libelle');
$pdt->qte_stock=$request->input('qte');
$pdt->pu=$request->input('pu');
$pdt->categorie_id=$request->input('selectCategorie');
$pdt->etat=1;//you have this on your form, but have hard coded here?
$pdt->save();
You can also clean this up slightly by loading all the input and using the create() method on the mode.
$inputData = $request()->all();
$pdt = Produit::create([
'nom' => Arr::get($input, 'nom'),
'libelle' => Arr::get($input, 'libelle'),
'qte_stock' => Arr::get($input, 'qte'),
'pu' => Arr::get($input, 'pu'),
'categorie_id' => Arr::get($input, 'selectCategorie'),
'etat’ => 1
]);
Hope this gets things working!