Fix：5693 【商城小程序】【我的订单-订单列表】删除已完成订单后，页面跳转至“购物”Tab

pagesOrder/order/OrderDetails/index.vue

@@ -1251,16 +1251,17 @@ export default {
       });
     },
     goBack() {
-      if (this.name === "MyOrder") {
+      // 从订单列表进入时直接返回原页面，保留列表页主/子tab及滚动位置
+      const pages = getCurrentPages()
+      const prevPage = pages && pages[pages.length - 2]
+      const prevRoute = prevPage && prevPage.route
+      if (prevRoute && prevRoute.indexOf('order/MyOrder') > -1) {
         this.$yrouter.back();
         return;
-      } else {
-        console.log(this);
-        this.$yrouter.replace({
-          path: "/pages/order/MyOrder/index"
-        });
-        return;
       }
+      this.$yrouter.replace({
+        path: "/pages/order/MyOrder/index"
+      });
     },
     cancelOrder() {
       cancelOrderHandle(this.orderInfo.orderId)