import ohos.net.httpurlconnection.HttpURLConnection;
import ohos.net.httpurlconnection.HttpURLConnectionUtils;
import ohos.net.httpurlconnection.HttpHeader;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;

public class HttpURLConnectionExample {
    public static void main(String[] args) {
        try {
            // 创建URL对象
            URL url = new URL("https://www.example.com");

            // 打开HttpURLConnection连接
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            // 设置请求方法（GET、POST等）
            connection.setRequestMethod("GET");

            // 获取响应码
            int responseCode = connection.getResponseCode();
            System.out.println("Response Code: " + responseCode);

            // 获取响应头信息
            HttpHeader header = connection.getHeaderFields();
            System.out.println("Response Headers: " + header);

            // 读取响应数据
            BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            StringBuilder response = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                response.append(line);
            }
            reader.close();

            // 打印响应数据
            System.out.println("Response Data: " + response.toString());

            // 关闭连接
            connection.disconnect();

        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}