Magento 2 - Send form data to Controller using AJAX and return Result to PHTML

Calculation Layout -

Vendor/Module/view/frontend/layout/module_index_index.xml

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <head>
        <title>Calculator</title>
    </head> 
    <body>
        <referenceContainer name="content">
            <block class="Vendor\Module\Block\Index" name="calculation_index" template="Vendor_Module::calculation.phtml" />
        </referenceContainer>
    </body>
</page>

Calculation Input PHTML -

Vendor/Module/view/frontend/templates/calculation.phtml

<div class="row clearfix">
        <div class="col-md-12 column">
            <form name="form_height" method="POST" id="form_height">
                    <input type="text" name="height" class="form-control input-md">
                    <input type="text" name="weight" class="form-control input-md">
                    <input type="submit" id="calculateTotalSubmit"  name="calculate-total-submit" value="Calculate Total">
                </div> 
            </form>
        </div>
    </div>


<script>
require(['jquery'],function(){
    jQuery(document).ready(function() {
        jQuery("#form_height").submit(function(){

            var heightValue = jQuery("input[name='height']").val();
            var weightValue = jQuery("input[name='weight']").val();

            var url = "<?php echo $block->getBaseUrl().'module/result/result/' ?>";
            jQuery.ajax({
            url: url,
            type: "POST",
            data: {height:heightValue,weight:weightValue},
            showLoader: true,
            cache: false
            success: function(response){
                console.log(response.output);
            }
        });
        return false;
        });
    });
});
</script>

Block -

Vendor/Module/Block/Index.php

<?php

namespace Vendor\Module\Block;

use \Magento\Framework\View\Element\Template;
use \Magento\Framework\View\Element\Template\Context;

class Index extends Template
{

    public function __construct(Context $context,      
        \Magento\Store\Model\StoreManagerInterface $storeManager
    )
    {        
        $this->_storeManager = $storeManager;
        parent::__construct($context);
    }

    public function getBaseUrl()
    {
        return $this->_storeManager->getStore()->getBaseUrl();
    }

    public function getHeightData()
    {
        return $this->getHeight();
    }

    public function getWeightData()
    {
        return $this->getWeight();
    }
}

Calculation Controller -

Vendor/Module/Controller/Index/Index.php

<?php

namespace Vendor\Module\Controller\Index;

use \Magento\Framework\App\Action\Action;
use \Magento\Framework\App\Action\Context;
use \Magento\Framework\View\Result\PageFactory;


class Index extends Action
{

    /**
    * @var PageFactory
    */
    protected $resultPageFactory;


    /**
    * Result constructor.
    * @param Context $context
    * @param PageFactory $pageFactory
    */
    public function __construct(Context $context, PageFactory $pageFactory)
    {
        $this->resultPageFactory = $pageFactory;
        parent::__construct($context);
    }


    /**
    * The controller action
    *
    * @return \Magento\Framework\View\Result\Page
    */
    public function execute()
    {
        $resultPage = $this->resultPageFactory->create();
        return $resultPage;
    }
}

Result Page Controller -

Vendor/Module/Controller/Result/Result.php

<?php

namespace Vendor\Module\Controller\Result;

use Magento\Framework\App\Action\Context;
use Magento\Framework\View\Result\PageFactory;
use Magento\Framework\Controller\Result\JsonFactory;

class Result extends \Magento\Framework\App\Action\Action
{

     /**
     * @var Magento\Framework\View\Result\PageFactory
     */
    protected $resultPageFactory;

    protected $resultJsonFactory; 

    /**
     * @param Context     $context
     * @param PageFactory $resultPageFactory
     */
    public function __construct(
        Context $context,
        PageFactory $resultPageFactory,
        JsonFactory $resultJsonFactory
        )
    {

        $this->resultPageFactory = $resultPageFactory;
        $this->resultJsonFactory = $resultJsonFactory; 
        return parent::__construct($context);
    }


    public function execute()
    {
        $height = $this->getRequest()->getParam('height');
        $weight = $this->getRequest()->getParam('weight');
        $result = $this->resultJsonFactory->create();
        $resultPage = $this->resultPageFactory->create();

        $block = $resultPage->getLayout()
                ->createBlock('Vendor\Module\Block\Index')
                ->setTemplate('Vendor_Module::result.phtml')
                ->setData('height',$height)
                ->setData('weight',$weight)
                ->toHtml();

        $result->setData(['output' => $block]);
        return $result;
    } 
}

Result Layout File -

Vendor/Module/view/frontend/layout/module_result_result.xml

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <head>
        <title>Result</title>
    </head> 
    <body>
        <referenceContainer name="content">
            <block class="Vendor\Module\Block\Index" name="result_result" template="Vendor_Module::result.phtml" />
        </referenceContainer>
    </body>
</page>

Result PHTML file -

Vendor/Module/view/frontend/templates/result.phtml

<?php 

    echo $block->getHeightData();
    echo $block->getWeightData();

?>

Tags:

Ajax

Module

Controllers

Magento2

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