Magento 2.1 – How to Get JSON Data on Frontend Controller

jsonmagento-2.1magento2

<?php

namespace Vendor\Module\Controller\Index;

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

    protected $resultPageFactory;

    public function __construct(
        \Magento\Framework\App\Action\Context $context,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory)
    {
        $this->resultPageFactory = $resultPageFactory;
        parent::__construct($context);
    }

    public function execute()
    {

    }
}

Best Answer

You could use regular JSON response class:

use Magento\Framework\App\Action\Action;
use Magento\Framework\App\Action\Context;
use Magento\Framework\App\ResponseInterface;

class Test extends Action
{

    /**
     * @var \Magento\Framework\Controller\Result\JsonFactory
     */
    protected $resultJsonFactory;

    public function __construct(
        Context $context,
        \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory
    ) {
        parent::__construct($context);
        $this->resultJsonFactory = $resultJsonFactory;
    }

    /**
     * Dispatch request
     *
     * @return \Magento\Framework\Controller\ResultInterface|ResponseInterface
     * @throws \Magento\Framework\Exception\NotFoundException
     */
    public function execute()
    {
        /** @var \Magento\Framework\Controller\Result\Json $result */
        $result = $this->resultJsonFactory->create();
        $resultData = [
            'any_key' => 'Any data goes here',
            'success' => true,
            'time' => time(),
            'replace_button_message' => __('Your store has been already registered'),
        ];

        return $result->setData($resultData);
    }
}
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