test method
Implementation
Future<IFFR> test(IRefreshParam? iRefreshParam) async {
// 模拟请求调接口
print("调用接口... ${state.widget.name}");
await Future.delayed(Duration(seconds: 2), () {});
// 模拟到请求的数据
return R(
msg: "请求",
code: "1",
haveNext: false,
rStatus: RStatus.result,
);
}