采购订单-子表数量为0不计算问题

src/views/purchase/purchaseOrder/components/PurchaseOrderFormForm.vue

@@ -768,7 +768,7 @@
       }
       function changeValues(prop) {
         if (prop.col.key == 'quantity') {
-          if (prop.row.quantity) {
+          if (prop.row.quantity==0||prop.row.quantity) {
             var num = prop.row.quantity * Number(prop.row.taxPrice);
             prop.row.taxAmount = isNaN(num) ? '' : num.toFixed(2);
             purOrderFormShipFormProductTable.dataSource[prop.rowIndex].taxAmount = Number(prop.row.taxAmount);