为什么 martyshka/ShoppingCart ZF2 组件不工作（可能是 hidrator 问题）？

Question

我在尝试实现 martyshka/ShoppingCart 组件时非常头疼。我所发现的只是在添加项目时 hydrator 为 null，但是当我强制它（在组件上设置它）时它也不起作用。

Here's my controller

<?php
namespace Publico\Controller;

use Doctrine\ORM\EntityManager;
use ShoppingCart\Controller\Plugin\ShoppingCart;
use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel;

class CarrinhoController extends AbstractActionController
{
    private $carrinho;
    private $entityManager;

    protected function setCarrinho(ShoppingCart $cart)
    {
        $this->carrinho = $cart;
        return $this;
    }

    protected function getCarrinho()
    {
        if (null === $this->carrinho) {
            $this->setCarrinho(new ShoppingCart());
        }
        return $this->carrinho;
    }

    /*...*/

    public function indexAction()
    {
        try {
            $carrinho = $this->getCarrinho();
        } catch (\Exception $e) {
            die($e->getMessage());
        }

        $carrinhoItems = [
            'carrinho' => $carrinho->cart(),
            'valorTotal' => $carrinho->total_sum(),
            'qtdTotal' => $carrinho->total_items(),
        ];

        die($carrinhoItems);

        return new ViewModel([
            'carrinho' => $this->carrinho->cart(),
            'valorTotal' => $this->carrinho->total_sum(),
            'qtdTotal' => $this->carrinho->total_items(),
        ]);
    }
    /*...*/
}

Here's the component repo

Answer 1

本组件提供插件"ShoppingCart"使用，无需创建ShoppingCart对象

如果您正确地将此组件安装为模块，

只需在你的行动中使用它-

$this->ShoppingCart()