saveUser static method

Implementation

static Future<bool> saveUser(UserBean user) async {
  try {
    final sp = await SharedPreferences.getInstance();
    final jsonString = user.toJsonString();
    final success = await sp.setString(_userKey, jsonString);

    if (success) {
      print('✅ 用户信息已保存: ${user.name}');
    } else {
      print('❌ 用户信息保存失败');
    }

    return success;
  } catch (e) {
    print('❌ 保存用户信息失败: $e');
    return false;
  }
}