如何在Laravel中将数据从私有功能传递到公共功能? [英] How do I pass data from private function to public function in Laravel?

问题描述

我有私人和公共职能.私有函数提取从表单发送的数据，而公共函数执行结帐.

I have a private and public function. The private function fetches data sent from a form and public function performs checkout.

    private function projectData(Request $request){
                // dd($request->all());
  //    $item = [];
        // $datat = array_map(function($item){
        //  return [
        //      'name'=>$request->project_id,
        //      'price'=>$request->budget,
        //      'desc'=>'Deposit',
        //      'qty'=>1
        //  ];
        // }, $item);
        $data = [
                'items'=>[
                    'name'=>'Project No.'.$request->project_id
                ],
                'invoice_id' => uniqid(),
                'invoice_description' => "Payment for Project No.".$request->project_id." Amount ".$request->budget,
                'return_url' => route('payment.success'),
                'cancel_url' => route('payment.cancel'),
                'total' => $request->budget 
        ];  
        // dd($data);

        return $data;
    }
        /**
     * Responds with a welcome message with instructions
     *
     * @return \Illuminate\Http\Response
     */
    public function payment()    {
        $data = $this->projectData();
        $provider = new ExpressCheckout;
        $response = $provider->setExpressCheckout($data);
        dd($response);
        // $response = $provider->setExpressCheckout($data, true);

        return redirect($response['paypal_link']);
    }

我收到此错误

函数的参数太少App \ Http \ Controllers \ PayPalController :: projectData()，传入的0/var/www/CareerHouse/app/Http/Controllers/PayPalController.php在线42，恰好是1

Too few arguments to function App\Http\Controllers\PayPalController::projectData(), 0 passed in /var/www/CareerHouse/app/Http/Controllers/PayPalController.php on line 42 and exactly 1 expected

我不知道自己在做什么错，如何纠正呢?

I don't know what I am doing wrong and how can I rectify it?

推荐答案

由于付款是公共方法&它重定向，很可能是由路由调用的.在这种情况下，您可以按以下步骤在付款中注入请求实例:

Since payment is the public method & it redirects, most probably it's called by a route. In this case, you can inject the request instance within payment as following:

public function payment(Request $request)    {
        $data = $this->projectData($request);
        $provider = new ExpressCheckout;
        $response = $provider->setExpressCheckout($data);
        dd($response);
        // $response = $provider->setExpressCheckout($data, true);

        return redirect($response['paypal_link']);
    }

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