How to create Magento 2 module
We create module with Namespace is Magecheckout and Module Name is HelloWorld
Step 1 Create registration.php in: app > code > Magecheckout > HelloWorld
\Magento\Framework\Component\ComponentRegistrar::register(
\Magento\Framework\Component\ComponentRegistrar::MODULE,
'Magecheckout_HelloWorld',
__DIR__
);
Step 2 Create module.xml in: app > code > Magecheckout > HelloWorld > etc
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
<module name="Magecheckout_HelloWorld" setup_version="1.0.0">
</module>
</config>
Step 3 Declaring a frontend router, create the routes.xml file by the following path: app > code > Magecheckout > HelloWorld > etc > frontend:
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:App/etc/routes.xsd">
<router id="standard">
<route id="helloworld" frontName="helloworld">
<module name="Magecheckout_HelloWorld" />
</route>
</router>
</config>
Step 4 Create our Controller action Index.php in: app > code > Magecheckout > HelloWorld > Controller > HelloWorld:
namespace Magecheckout\HelloWorld\Controller\HelloWorld;
use Magento\Framework\View\Result\PageFactory;
use Magento\Framework\App\Action\Context;
use Magento\Framework\App\Action\Action;
class Index extends Action
{
protected $resultPageFactory;
public function __construct(
Context $context,
PageFactory $resultPageFactory
) {
parent::__construct($context);
$this->resultPageFactory = $resultPageFactory;
}
public function execute()
{
$resultPage = $this->resultPageFactory->create();
return $resultPage;
}
}
Step 5 Create Layout file helloworld_helloworld_index.xml in: app > code > Magecheckout > HelloWorld > view > frontend > layout:
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceContainer name="content">
<block class="MageCheckout\HelloWorld\Block\HelloWorld" name="helloworld" template="helloworld.phtml"/>
</referenceContainer>
</body>
</page>
Step 6 Create Block HelloWorld.php in: app > code > Magecheckout > HelloWorld > Block:
namespace Magecheckout\HelloWorld\Block;
use Magento\Framework\View\Element\Template;
class HelloWorld extends Template
{
protected function _prepareLayout()
{
$this->pageConfig->getTitle()->set(__('Hello World'));
return parent::_prepareLayout();
}
}
Step 7 Create Template helloworld.phtml in: app > code > Magecheckout > HelloWorld > view > frontend > layout > templates:
Welcome
Step 8 Open Command line in folder root of Magento and run commands
php bin/magento setup:upgrade
