Laravel5：原生PHP会话代码转Laravel会话代码求助

Got it, let's get your shopping basket session logic converted to Laravel's system properly. First, I'll note a small inconsistency in your original code (you check $_GET['amount'] but loop using $_POST['amount'])—I'll fix that in the Laravel version to use a single source for the amount value.

Here's how to replicate your exact behavior in Laravel, using its built-in session helpers and request handling:

Controller Example #

If you're using a controller method (the recommended approach in Laravel), you can do this:

use Illuminate\Http\Request;

class BasketController extends Controller
{
    public function update(Request $request)
    {
        $status = trim($request->query('status'));

        switch ($status) {
            case '':
                break;
            case 'basket':
                // Get the item code from the GET parameters
                $itemCode = $request->query('item_code');
                // Get the amount from either GET or POST (fixes the original inconsistency)
                // Default to 1 if no amount is provided
                $amount = (int) $request->input('amount', 1);

                // Add the item to the basket session the specified number of times
                for ($i = 1; $i <= $amount; $i++) {
                    session()->push('basket', $itemCode);
                }
                break;
        }

        // Redirect back or return a response as needed
        return redirect()->back()->with('success', 'Item added to basket!');
    }
}

Route Closure Example #

If you prefer a quick route closure for testing:

use Illuminate\Http\Request;

Route::get('/basket/update', function (Request $request) {
    $status = trim($request->query('status'));

    if ($status === 'basket') {
        $itemCode = $request->query('item_code');
        $amount = (int) $request->input('amount', 1);

        // A cleaner alternative to the for loop
        foreach (range(1, $amount) as $_) {
            session()->push('basket', $itemCode);
        }
    }

    return response()->json([
        'basket' => session('basket'),
        'message' => 'Basket updated'
    ]);
});

Key Notes: #

• session()->push('basket', $itemCode) is Laravel's equivalent of $_SESSION['basket'][] = $itemCode—it appends items to the session array.
• $request->query('key') specifically gets GET parameters, while $request->input('key') works for both GET and POST, which fixes the mixed $_GET/$_POST issue in your original code.
• To view the basket contents at any time, use session('basket') (e.g., dd(session('basket')) for debugging).

内容的提问来源于stack exchange，提问作者Mingeun Kim