getMacAdressList function
获取本地存储的mac地址
Implementation
Future<List<int>> getMacAdressList() async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
String? mac_address = prefs.getString(StroeKey.key_mac_address);
if (mac_address == null) return []; //jsonDecode(mac_address)
// List g = ['c6', '1f', '9', '65', '7b', 'fb'];
// String s = json.encode(g);
// List<int> obj = jsonDecode(mac_address);
List<dynamic> dynamicList = jsonDecode(mac_address); // 你的动态列表
List<int> intList = dynamicList.map((dynamic item) => item as int).toList();
return intList;
}