我如何将 main.dart 中的变量访问到颤振中的其他页面，我正在使用 Getx 状态管理

Question

如何使用 Getx 状态管理将 main.dart 中的变量访问到其他页面，在这里我想将 main.dart 中的 localMemberid 设置为全局，以便从任何地方访问或将其传递给其他页面，这是正确的方法吗？使用安全存储来存储数据

主要.dart

void main() {
  SecureStorage secureStorage = SecureStorage();
  var localMemberid; // i would like to make this varial global or pass this value to other pages

  runApp(
    ScreenUtilInit(
      builder: (BuildContext context, Widget? child) {
        return GetMaterialApp(
          title: "onyx",
          initialRoute: AppPages.INITIAL,
          getPages: AppPages.routes,
          theme: ThemeData(primarySwatch: MaterialColor(0xFF0456E5, color)),
        );
      },
    ),
  );

  SecureStorage.readLocalSecureData('memberid')
      .then((value) => localMemberid = value);
}

登录控制器

class LoginController extends GetxController {
  final AuthenticationRepo _authRepe = AuthenticationRepo();
  final SecureStorage secureStorage = SecureStorage();
  String? localMemberid; // i would like to get the localMemberid from the main.dart

  //TODO: Implement LoginController

  @override
  void onInit() {
    super.onInit();
  }

  @override
  void onReady() {
    super.onReady();
  }

  @override
  void onClose() {}

  var userid;
  var password;
  
 

  onSinginButton() async {
    var res = await _authRepe.login(username: userid, password: password);
    if (res.status == ApiResponseStatus.completed) {
      print(res.data);
      await SecureStorage.writeLocalSecureData('memberid', res.data!.memberid);
      localMemberid == null
          ? Get.toNamed(Routes.LOGIN)
          : Get.toNamed(Routes.HOME);
    } else {
      Get.defaultDialog(title: res.message.toString());
    }
  }
}

Answer 1

从主函数中提升您的变量并使其成为 Rx：

  var localMemberid=Rxn<String>(); // i would like to make this varial global or pass this value to other pages

void main() {
     SecureStorage secureStorage = SecureStorage();

     .......

   SecureStorage.readLocalSecureData('memberid')
      .then((value) => localMemberid.value = value);
   }

然后在你的 LoginController 上删除String? localMemberid; // String? localMemberid; // String? localMemberid; //并导入main.dart ：

localMemberid.value == null
      ? Get.toNamed(Routes.LOGIN)
      : Get.toNamed(Routes.HOME);