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    1.   List<OrderList> _list = [];
    2.   @override
    3.   void initState() {
    4.     super.initState();
    5.     _getOrderList();
    6.   }
    8.   _getOrderList() {
    9.     Dio dio = Dio();
    10.     dio.get(
    11.             'https://www.fastmock.site/mock/2a975a7ae189430b4d2e10521239db65/api/banner')
    12.         .then(
    13.       (value) {
    14.         OrderModal orderModal = OrderModal.fromJson(value.data);
    15.         if (orderModal.code == "200") {
    16.           setState(() {
    17.             _list = orderModal.data.order.orderList;
    18.           });
    19.         }
    20.       },
    21.     );
    22.   }