Unity网络状态

public static void GetNetWorkType()
{
    if (Application.internetReachability == NetworkReachability.NotReachable)
    {
        Debug.Log("无网络");
    }
    else if (Application.internetReachability == NetworkReachability.ReachableViaCarrierDataNetwork)
    {
        Debug.Log("2G/3G/4G");
    }
    else if (Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork)
    {
        Debug.Log("wifi");
    }
}