Collections 在zend framework 2中，如何将字段集数据保存到数据库

我刚开始学习zend framwork2，并阅读了有关如何使用fieldset的文档

---

我可以使用tablegateway将产品数据插入数据库。但我不知道如何将数据插入品牌表，也不知道如何将产品和品牌链接起来。非常感谢

很多人都有同样的问题和问题

我发布控制器的代码，以防url发生变化。但是看看github中的完整模块

<?php

namespace Product\Controller;

use Product\Table\ProductTable;
use Product\Entity\Product as ProductEntity;
use Product\Form\CreateProduct;
use Zend\Mvc\Controller\AbstractActionController;
use Zend\Http\PhpEnvironment\Response;
use Zend\View\Model\ViewModel;

class ManageController extends AbstractActionController
{

    public function indexAction ()
    {
        $product = $this->getProductTable();
        $products = $product->getAllOrderByName();

        $view = new ViewModel();
        $view->setVariable('products', $products);
        return $view;
    }

    public function viewAction ()
    {
        if ($id = $this->params('id')) {
            $product = $this->getProductTable()
                ->getByProductId($id);
        }

        $view = new ViewModel();
        $view->setVariable('product', $product);
        return $view;
    }

    public function addAction ()
    {
        $form = new CreateProduct();
        $product = $this->getServiceLocator()->get('Product\Entity\Product');
        $form->bind($product);

        $data = array(
            'product' => array(
                'name' => 'product name ' . mt_rand(1, 1000),
                'price' => mt_rand(100.000, 5000.999) / 100,
                'brand' => array(
                    'name' => 'My brand ' . mt_rand(1, 200),
                    'url' => 'http://www.mybrand.com'
                ),
                'categories' => array(
                    array('name' => 'Sony'),
                    array('name' => 'Panasonic'),
                    array('name' => 'Phillips')
                    )
            )
        );
        $form->populateValues($data);

        // action viewscript
        $view = new ViewModel(array(
            'form' => $form
        ));

        // do Post/Redirect/Get (PRG) strategy to stop user refresh/back button
        $prg = $this->prg($this->getRequest()->getRequestUri(), true);
        if ($prg instanceof Response) {
            return $prg;
        }

        // this is when the user first arrives to this url, display the form
        else if ($prg === false) {
            return $view;
        }

        // lets retrieve the post data stored in the PRG session
        $post = $prg;

        // validate the form
        $form->setData($post);
        if(!$form->isValid())
            return $view;

        // if data are valid, then save
        // save the brand
        $brand = $product->getBrand();
        $brandTable = $this->getBrandTable();
        $brand = $brandTable->save($brand);
        $brandId = $brandTable->getLastInsertValue();
        $product->setBrandId($brandId);

        // save the categories
        $categoryTable = $this->getCategoryTable();
        $categoryTable->persist($product->getCategories())->flush();
        $categoryIds = implode(",", $categoryTable->getEntityIds());
        $product->setCategoryIds($categoryIds);

        // save the product
        $productTable = $this->getProductTable();
        $product = $productTable->save($product);

        $this->redirect()->toRoute('product');
        return $view;
    }

    public function editAction ()
    {
        $form = new CreateProduct();
        $product = $this->getServiceLocator()->get('Product\Entity\Product');
        $form->bind($product);

        // action viewscript
        $view = new ViewModel(array(
            'form' => $form
        ));

        $productTable = $this->getProductTable();
        if ($id = $this->params('id')) {
            $product = $this->getProductTable()->getByProductId($id);

            // get the brands
            $brand = $this->getBrandTable()->getByBrandId($product->getBrandId());
            $product->setBrand($brand);

            // get the categories
            $categoryIds = explode(",", $product->getCategoryIds());
            $categories = $this->getCategoryTable()->getAllByCategoryId($categoryIds);
            $product->setCategories($categories);

            $form->bind($product);
        }

        // do Post/Redirect/Get (PRG) strategy to stop user refresh/back button
        $prg = $this->prg($this->getRequest()->getRequestUri(), true);
        if ($prg instanceof Response) {
            return $prg;
        }

        // this is when the user first arrives to this url, display the form
        else if ($prg === false) {
            return $view;
        }

        // lets retrieve the post data stored in the PRG session
        $post = $prg;

        // validate the form
        $form->setData($post);
        if(!$form->isValid())
            return $view;


        \Zend\Debug\Debug::dump(__METHOD__.' '.__LINE__);
        \Zend\Debug\Debug::dump($post);
        \Zend\Debug\Debug::dump($product);


        return $view;
    }

    /**
     *
     * @return \Product\Table\ProductTable
     */
    public function getProductTable ()
    {
        $sm = $this->getServiceLocator();
        $table = $sm->get('Product\Table\ProductTable');
        return $table;
    }

    /**
     *
     * @return \Product\Table\BrandTable
     */
    public function getBrandTable ()
    {
        return $this->getServiceLocator()
            ->get('Product\Table\BrandTable');
    }

    /**
     *
     * @return \Product\Table\CategoryTable
     */
    public function getCategoryTable ()
    {
        return $this->getServiceLocator()
            ->get('Product\Table\CategoryTable');
    }
}