实时金融行情数据API

package org.example.ws;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;

public class HttpExample {
    public static void main(String[] args) {
        try {
            String apiUrl = "https://data.infoway.io/stock/v2/batch_kline";
            String payload = "{\"klineType\":1,\"klineNum\":10,\"codes\":\"002594.SZ,00285.HK,TSLA.US\"}";
            URL url = new URL(apiUrl);

            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setDoOutput(true);

            connection.setRequestProperty("User-Agent", "Mozilla/5.0");
            connection.setRequestProperty("Accept", "application/json");
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("apiKey","yourApikey");

            try (OutputStream os = connection.getOutputStream()) {
                byte[] input = payload.getBytes(StandardCharsets.UTF_8);
                os.write(input, 0, input.length);
            }

            int responseCode = connection.getResponseCode();
            System.out.println("HTTP code: " + responseCode);

            BufferedReader reader;
            if (responseCode == HttpURLConnection.HTTP_OK) {
                reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            } else {
                reader = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
            }

            String line;
            StringBuilder response = new StringBuilder();

            while ((line = reader.readLine()) != null) {
                response.append(line);
            }

            reader.close();

            System.out.println("message: " + response);

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