Fix：3951 【商城小程序】收礼方订单详情增加折扣金额项

pages/order/OrderDetails/index.vue

@@ -171,6 +171,18 @@
               </text>
             </view>
           </view>
+          <view class="v12-justify-between v12-mt-3" v-if="orderInfo.discountPrice > 0">
+            <view class="v12-font-24 v12-dark-text">
+              商品折扣
+            </view>
+            <view class="v12-text-right">
+              -
+              <text class="v12-font-22">￥</text>
+              <text class="v12-font-28">
+                {{ force2Decimal(orderInfo.discountPrice) }}
+              </text>
+            </view>
+          </view>
           <view class="v12-justify-between v12-mt-3"  v-if="orderInfo.useIntegral > 0">
             <view class="v12-font-24 v12-dark-text">
               积分抵扣
@@ -316,7 +328,7 @@
         <text class="money font-color-red">￥{{ force2Decimal(orderInfo.payPrice) }}</text>
       </view>
     </view>
-    <view class="gift-wrap">
+    <view class="gift-wrap" v-if="order.isGiftCardSend">
       <view class="v12-justify-between v12-align-center">
         <view class="v12-font-28 v12-font-bold v12-align-center">
           <u-icon :name="webUrl + '/icon/gift-primary.png'" size="24"></u-icon>