测试

app/code/Magento/Checkout/Block/Cart/Shipping.php

@@ -14,6 +14,7 @@ use Magento\Framework\View\Element\Template\Context;
 use Magento\Customer\Model\Session as CustomerSession;
 use Magento\Checkout\Model\Session as CheckoutSession;
 use Magento\Framework\App\ObjectManager;
+use Magento\Framework\App\Config\ScopeConfigInterface;
 
 /**
  * Cart Shipping Block
@@ -43,7 +44,7 @@ class Shipping extends \Magento\Checkout\Block\Cart\AbstractCart
      * @var JsonHexTag
      */
     private $jsonHexTagSerializer;
-
+    protected $_scopeConfigInterface;
     protected $_quote;
     /**
      * @param Context $context
@@ -65,7 +66,8 @@ class Shipping extends \Magento\Checkout\Block\Cart\AbstractCart
         array $layoutProcessors = [],
         array $data = [],
         Json $serializer = null,
-        JsonHexTag $jsonHexTagSerializer = null
+        JsonHexTag $jsonHexTagSerializer = null,
+        ScopeConfigInterface $_scopeConfigInterface
     ) {
         $this->configProvider = $configProvider;
         $this->layoutProcessors = $layoutProcessors;
@@ -74,6 +76,7 @@ class Shipping extends \Magento\Checkout\Block\Cart\AbstractCart
         $this->_isScopePrivate = true;
         $this->serializer = $serializer ?: ObjectManager::getInstance()->get(Json::class);
         $this->jsonHexTagSerializer = $jsonHexTagSerializer ?: ObjectManager::getInstance()->get(JsonHexTag::class);
+        $this->_scopeConfigInterface = $_scopeConfigInterface;
     }
 
     /**
@@ -125,6 +128,10 @@ class Shipping extends \Magento\Checkout\Block\Cart\AbstractCart
     {
         return $this->jsonHexTagSerializer->serialize($this->getCheckoutConfig());
     }
+    public function getFlatratePrice()
+    {
+        return $this->_scopeConfigInterface->getValue('carriers/flatrate/price');
+    }
     public function getCountryHtmlSelect($defValue = null, $name = 'country_id', $id = 'country', $title = 'Country') {
         $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
         /** @var \Magento\Directory\Block\Data $block */

app/code/Magento/Checkout/view/frontend/templates/cart/shipping.phtml

@@ -9,6 +9,7 @@
 <?php /** @var \Magento\Framework\View\Helper\SecureHtmlRenderer $secureRenderer */ ?>
 <?php
 $selectedCountryId = $block->getCountryId();
+$flatraPrice = $block->getFlatratePrice();
 ?>
 <div id="block-shipping" class="block shipping">
     <div id="block-summary" style="display: none;">
@@ -29,6 +30,7 @@ $selectedCountryId = $block->getCountryId();
         $scriptString = <<<script
 
             window.checkoutConfig = {$serializedCheckoutConfig};
+            window.checkoutConfig.flatrate_price = {$flatraPrice};
             window.customerData = window.checkoutConfig.customerData;
             window.isCustomerLoggedIn = window.checkoutConfig.isCustomerLoggedIn;
             require([