Flutter showModalBottomSheet 自适应高度

  showModalBottomSheet(
    context: context,
    shape: const RoundedRectangleBorder(
      borderRadius: BorderRadius.only(
        topLeft: Radius.circular(15),
        topRight: Radius.circular(15),
      ),
    ),
    isScrollControlled: true,
    builder: (BuildContext context) {
      return ConstrainedBox(
        constraints: const BoxConstraints(maxHeight: double.infinity),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Flexible( // 如果要读上层的变量 可以不用 Flexible
                child: ListView(
                    shrinkWrap: true,
                    padding: const EdgeInsets.all(20.0),
                    children: const [
                  Text("data"),
                  Text("data"),
                  Text("data"),
                  Text("data"),
                  Text("data"),
                  Text("data"),
                ]))
          ],
        ),
      );
    },
  );