如何在Harmony Os中检查设备是否连接到互联网和连接类型

import ohos.net.NetworkCapabilities;
import ohos.net.NetworkStateManager;

public class NetworkUtils {
    public static boolean isConnectedToInternet() {
        NetworkStateManager networkStateManager = NetworkStateManager.getInstance();
        NetworkCapabilities networkCapabilities = networkStateManager.getNetworkCapabilities();
        return networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
    }

    public static int getConnectionType() {
        NetworkStateManager networkStateManager = NetworkStateManager.getInstance();
        NetworkCapabilities networkCapabilities = networkStateManager.getNetworkCapabilities();
        return networkCapabilities.getTransportTypes()[0];
    }
}