fix mall num

src/components/order_list/mall/mall.vue

@@ -19,7 +19,7 @@
                 </block>
             </view>
             
-            <view class="rgi-total"><text>共{{ orderInfo.goods_nums || 0 }}件</text><image class="rt-img" mode="aspectFit" src="/static/images/icon/arrow_b2.png"></image></view>
+            <view class="rgi-total"><text>共{{ totalGoodsNum || 0 }}件</text><image class="rt-img" mode="aspectFit" src="/static/images/icon/arrow_b2.png"></image></view>
         </view>
         <view class="mo-total"><text class="mt-txt">商品金额合计：</text>¥{{ orderInfo.pay_amount || 0 }}</view>
         <view class="mo-bot">
@@ -37,7 +37,16 @@ export default {
         isShowSendMethods(){
             let { orderInfo } = this;
             return orderInfo.status == 2 || orderInfo.status == 3 || orderInfo.status == 5 || orderInfo.status == 6
-        },         
+        },
+        totalGoodsNum(){
+            let { orderInfo } = this;
+            if(!orderInfo)return 0;
+            let _ls = orderInfo.goods || [];
+            return _ls.reduce((total, item)=>{
+                total += +item.product_nums || 0;
+                return total
+            }, 0)
+        }
     },
     props: {