app-starlock/star_lock/lib/tools/storage.dart

/*
* 持久话数据
* */
import 'dart:convert';

import 'package:shared_preferences/shared_preferences.dart';

import '../login/login/entity/LoginData.dart';
import '../login/login/entity/LoginEntity.dart';

const saveBluePublicKey = "BluePublicKey";
const saveBluePrivateKey = "BluePrivateKey";
const saveBlueSignKey = "BlueSignKey";
const saveBlueToken = "BlueGetToken";
const currentConnectionLockId = "CurrentConnectionLockId";
const currentConnectionMacAddress = "CurrentConnectionMacAddress";
const ifIsDemoModeOrNot = "IfIsDemoModeOrNot";

class Storage {
  Storage._internal();

  factory Storage() => _instance;

  static late final Storage _instance = Storage._internal();

  static late SharedPreferences _preferences;

  static Future<Storage> getInstance() async {
    _preferences = await SharedPreferences.getInstance();
    return _instance;
  }

  // ///存数据
  // static Future<void> setData(key, value) async {
  //   SharedPreferences sp = await SharedPreferences.getInstance();
  //   if (value is int) {
  //     await sp.setInt(key, value);
  //   } else if (value is bool) {
  //     await sp.setBool(key, value);
  //   } else if (value is double) {
  //     await sp.setDouble(key, value);
  //   } else if (value is String) {
  //     await sp.setString(key, value);
  //   } else if (value is List<String>) {
  //     await sp.setStringList(key, value);
  //   }
  // }
  //
  // ///取数据
  // ///
  // static Future<T?> getData<T>(key) async {
  //   SharedPreferences sp = await SharedPreferences.getInstance();
  //   switch(T){
  //     case int: return (sp.getInt(key) ?? 0) as T;
  //     case bool: return (sp.getBool(key) ?? false) as T;
  //     case double: return (sp.getDouble(key) ?? 0.0) as T;
  //     case String: return (sp.getString(key) ?? '') as T;
  //     case List: return (sp.getStringList(key) ?? []) as T;
  //     default: return null;
  //   }
  // }

  // int
  static Future<void> setInt(key, value) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.setInt(key, value);
  }

  static Future<int?> getInt(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    return sp.getInt(key);
  }

  // bool
  static Future<void> setBool(key, value) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.setBool(key, value);
  }

  static Future<bool?> getBool(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    return sp.getBool(key);
  }

  // double
  static Future<void> setDouble(key, value) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.setDouble(key, value);
  }

  static Future<double?> getDouble(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    return sp.getDouble(key);
  }

  // string
  static Future<void> setString(key, value) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.setString(key, value);
  }

  static Future<String?> getString(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    return sp.getString(key);
  }

  // 字符串数组
  static Future<void> setStringList(key, value) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.setStringList(key, value);
  }

  static Future<List<String>?> getStringList(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    return sp.getStringList(key);
  }

  // 判断本地是否包含某个key
  static Future<bool> ifHaveKey(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    bool isContainKey = sp.containsKey(key) ?? false;
    print(isContainKey);
    return isContainKey;
  }

  // 移除数据
  static Future<void> removeData(key) async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.remove(key);
  }

  // 移除所有的键值对
  static Future<void> clearAll() async {
    SharedPreferences sp = await SharedPreferences.getInstance();
    sp.clear();
  }

  static Future<String?> getUid() async {
    String? userId = '';
    final data = await Storage.getString('userLoginData');
    if (data != null && data.isNotEmpty) {
      userId = LoginData.fromJson(jsonDecode(data)).userid.toString();
    }
    print("pubUserId:$userId");
    return userId;
  }


}