调用返回。flutter: Instance of 'Future<dynamic>' Future fire(BaseRequest request) async { HiNetResponse? response; var error; try{ response = await send(request); } on HiNetError catch(e){ error=e; response=e.data; printLog(e.message); }catch(e){ //其他异常 error = e; printLog(e)...
Started noticing an error popup when calling init dyamic links The code in question is a copy paste from the examples /// Initializes the Firebase Dynamic Links Future<void> _initDynamicLinks() async { dynamicLinks.onLink.listen((dynamic...
报错原因为请求数据时使用async、await,返回是一个Future对象,相对于前端的promise对象,可以使用 image.png 注意: 两个必须同时使用
最近在学Flutter,涌现不少问题,其中就是关于Future的 ///数据库查询Future<List<Map<String,dynamic>>>selectUser()async{//用异步Database?db=await _database;//var maps=await db!.rawQuery("select * from wow");//debugPrint("${maps.length}---${maps}");returnawait db!.rawQuery("select*from ...