/// <summary>
/// 判断是否已有用户登录
/// </summary>
/// <return>是否已有用户登录</return>
public static bool IsLoggedIn()
{
#if UNITY_ANDROID
return(KTAccountManagerAndroid.IsLoggedIn());
#elif UNITY_IOS
return(KTAccountManageriOS.IsLoggedIn());
#else
#endif
return(false);
}
