修复核对订单页面数量为0的问题

src/components/OrderDetailsModal.js

@@ -121,8 +121,10 @@ class OrderDetailsModal extends Component {
     let gaTemp = goodsArr.slice((current - 1) * pageSize, current * pageSize);
     let totalPrice = 0; // 总价
     let totalCount = 0; // 总优惠
+    let number = 0; // 总数量
     goodsArr.map(item => {
       // item.url = config.imgUrl + item.barcode + config.watermark;
+      number += item.num;
       if (item.price) {
         totalPrice += item.price * item.num;
         totalCount += (item.prePrice - item.price) * item.num;
@@ -235,7 +237,7 @@ class OrderDetailsModal extends Component {
                 <View style={styles.total}>
                   <Text style={styles.totalText}>数量</Text>
                   <Text style={styles.totalText}>
-                    {NP.round(totalCount, 0).toFixed(0)}
+                    {NP.round(number, 0).toFixed(0)}
                   </Text>
                 </View>
                 <View style={styles.total}>