修改轮播图片media地址

app/code/Joshine/Banner/view/frontend/templates/index.phtml

@@ -4,6 +4,12 @@ $collection = $block->getCollection();
 ?>
 
 <div class="banner1" style="background-color: #f0f0f0;"></div>
+<?php
+$_objectManager = \Magento\Framework\App\ObjectManager::getInstance(); //instance of\Magento\Framework\App\ObjectManager
+$storeManager = $_objectManager->get('Magento\Store\Model\StoreManagerInterface');
+$currentStore = $storeManager->getStore();
+$mediaUrl = $currentStore -> getBaseUrl ( \Magento\Framework\UrlInterface :: URL_TYPE_MEDIA ) ;
+?>
 
 <?php foreach ($collection->getItems() as $item):?>
 <?php echo $item->getData('name');?>
@@ -16,8 +22,8 @@ require(['jquery','banner'],function ($){
         [
             <?php foreach ($collection->getItems() as $item):?>
             [
-                <?php echo "'/media/" . $item->getData('img_patch') . "',";?>
-                <?php echo "'/media/" . $item->getData('phone_img_patch') . "',";?>
+                <?php echo "'".$mediaUrl . $item->getData('img_patch') . "',";?>
+                <?php echo "'".$mediaUrl . $item->getData('phone_img_patch') . "',";?>
             ],
             <?php endforeach;?>
         ];