修改结算按钮上不价格及结算页上部商品总价

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

@@ -221,7 +221,9 @@ require(['jquery'], function ($) {
         var fixHeight = $('.area-blk-notitle').height();
         $(window).scroll(function () {
             $(window).scroll(function () {
-
+                if($('.area-blk-notitle').length < 1){
+                    return false;
+                }
                 var scrollTop = $(document).scrollTop();
                 var fixTop = $('.area-blk-notitle').offset().top;
                 var tableTop = $('#shopping-cart-table').offset().top;

app/code/Magento/Checkout/view/frontend/templates/cart/methods-new.phtml

@@ -54,7 +54,7 @@ $subtotalStr = $block->escapeHtml(
 
                 <div class="now-grand-total" style="font-size: 18px;width:100%;">
                     <div style="float: left;text-align: left;"><strong>Order Total:</strong></div>
-                    <div style="float: right;text-align: right;"><?= $subtotalStr ?></div>
+                    <div style="float: right;text-align: right;" id="now-grand-total"><?= $subtotalStr ?></div>
                 </div>
 
 

app/code/Magento/Checkout/view/frontend/web/js/view/summary/cart-items.js

@@ -72,7 +72,7 @@ define([
             return priceUtils.formatPrice(price, quote.getPriceFormat());
         },
         getGrandTotal:function(){
-            return this.getFormattedPrice(this.totals['grand_total']);
+            return this.getFormattedPrice(this.totals['base_subtotal']);
         },
         /**
          * Set items to observable field

app/code/Magento/Checkout/view/frontend/web/js/view/summary/grand-total.js

@@ -38,7 +38,9 @@ define([
          * @return {*|String}
          */
         getValue: function () {
-            return this.getFormattedPrice(this.getPureValue());
+            var price = this.getFormattedPrice(this.getPureValue());
+            $('#now-grand-total').html(price)
+            return price;
         }
     });
 });