static Future<FlutterLocation> determinePosition() async {
    bool serviceEnabled;
    LocationPermission permission;
    Position p;

    try {
　　　　//这里使用的权限申请插件 ，请自行搜索相关文档配置获取依赖
      PermissionStatus permissionStatus = await LocationPermissions().requestPermissions();
      if(PermissionStatus.granted == permissionStatus) {
        // Test if location services are enabled.
        serviceEnabled = await Geolocator.isLocationServiceEnabled();
        if (!serviceEnabled) {
          // Location services are not enabled don‘t continue
          // accessing the position and request users of the
          // App to enable the location services.
          return Future.error(‘Location services are disabled.‘);
        }
        permission = await Geolocator.checkPermission();
        if (permission == LocationPermission.denied) {
          permission = await Geolocator.requestPermission();
          if (permission == LocationPermission.deniedForever) {
            // Permissions are denied forever, handle appropriately.
            return Future.error(
                ‘Location permissions are permanently denied, we cannot request permissions.‘);
          }
          if (permission == LocationPermission.denied) {
            // Permissions are denied, next time you could try
            // requesting permissions again (this is also where
            // Android‘s shouldShowRequestPermissionRationale
            // returned true. According to Android guidelines
            // your App should show an explanatory UI now.
            return Future.error(‘Location permissions are denied‘);
          }
        }

        // p = await AMapLocationClient.getLocation(true);
        p = await Geolocator.getCurrentPosition();

        print(‘location is get ${p}‘);
      }
      else{
        await LocationPermissions().openAppSettings();
      }
    } catch (e) {
      ToastUtil.showToast(‘获取定位失败：$e‘);
    }
    return FlutterLocation(p?.latitude, p?.longitude);
  }

class FlutterLocation {
  double lat;
  double lng;
  FlutterLocation(this.lat, this.lng);
}