You can customize your success page using create simple module.
First create layout handle file,
Lets assume i have keep Test/Thankyou page modulename.
layout xml file path,
app/code/Test/Thankyou/View/frontend/layout/checkout_onepage_success.xml
<?xml version="1.0"?>
<body>
<referenceContainer name="content">
<block class="Test\Thankyou\Block\Thankyou" name="order.details.success" template="Test_Thankyou::order/success.phtml" after="-">
</block>
</referenceContainer>
<referenceBlock name="checkout.success" remove="true"/>
</body>Now create Block file,
app/code/Test/Thankyou/Block/Thankyou.php
<?php
namespace Test\Thankyou\Block;
class Thankyou extends \Magento\Sales\Block\Order\Totals
{
protected $checkoutSession;
protected $customerSession;
protected $_orderFactory;
public function __construct(
\Magento\Checkout\Model\Session $checkoutSession,
\Magento\Customer\Model\Session $customerSession,
\Magento\Sales\Model\OrderFactory $orderFactory,
\Magento\Framework\View\Element\Template\Context $context,
\Magento\Framework\Registry $registry,
array $data = []
) {
parent::__construct($context, $registry, $data);
$this->checkoutSession = $checkoutSession;
$this->customerSession = $customerSession;
$this->_orderFactory = $orderFactory;
}
public function getOrder()
{
return $this->_order = $this->_orderFactory->create()->loadByIncrementId(
$this->checkoutSession->getLastRealOrderId());
}
public function getCustomerId()
{
return $this->customerSession->getCustomer()->getId();
}
}Now Create success.phtml file at below location,
app/code/Test/Thankyou/View/frontend/templates/order/success.phtml
<?php
$order = $block->getOrder();
?>
<div class="checkout-success">
<?php if($order->getIncrementId()):?>
<?php if ($block->getCustomerId()) :?>
<p><?php echo __('Your order number is: '.$order->getIncrementId().')' ?>
</p>
<?php else :?>
<p><?php echo __('Your order # is: <span>%1</span>.',$order->getIncrementId()) ?></p>
<?php endif;?>
<p><?php echo __('We\'ll email you an order confirmation with details and tracking info.') ?></p>
<?php endif;?>
</div>This is Simple demo for override success.phtml file into your module.
You can add extra function in Block file and call inside template file based on your customization of thank you page.
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