安卓动态域名解析软件

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class DDNSUpdater {
    private static final String DDNS_SERVICE_URL = "https://your-ddns-service.com/update";
    private static final String USERNAME = "your-username";
    private static final String PASSWORD = "your-password";

    public static void main(String[] args) {
        try {
            URL url = new URL(DDNS_SERVICE_URL + "?hostname=your-hostname&myip=" + getPublicIP());
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setRequestProperty("Authorization", Credentials.basic(USERNAME, PASSWORD));

            int responseCode = conn.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                String inputLine;
                StringBuffer response = new StringBuffer();

                while ((inputLine = in.readLine()) != null) {
                    response.append(inputLine);
                }
                in.close();

                System.out.println(response.toString());
            } else {
                System.out.println("DDNS update failed with response code: " + responseCode);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static String getPublicIP() throws Exception {
        URL url = new URL("https://api.ipify.org");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        return response.toString();
    }
}