如何利用ChatGPT和Java开发一个智能旅游规划系统

import org.apache.http.HttpEntity;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;
import java.io.IOException;

public class ChatGPT {
    private static final String API_URL = "https://api.openai.com/v1/chat/completions";
    private static final String API_KEY = "your_api_key_here";

    public static String getResponseFromChatGPT(String question) throws IOException {
        HttpClient httpclient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(API_URL);
        httpPost.addHeader("Content-Type", "application/json");
        httpPost.addHeader("Authorization", "Bearer " + API_KEY);
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("prompt", question);
        jsonObject.put("temperature", 0.6);
        jsonObject.put("max_tokens", 100);
        StringEntity entity = new StringEntity(jsonObject.toString());
        httpPost.setEntity(entity);
        HttpResponse response = httpclient.execute(httpPost);
        HttpEntity responseEntity = response.getEntity();
        String responseString = EntityUtils.toString(responseEntity);
        JSONObject responseJson = new JSONObject(responseString);
        String answer = responseJson.getJSONArray("choices").getJSONObject(0).getString("text");
        return answer;
    }
}

public class TravelPlanner {
    public static void main(String[] args) throws IOException {
        // 提示用户输入问题
        System.out.println("请输入您的问题:");
        Scanner scanner = new Scanner(System.in);
        // 调用ChatGPT模型获取回答
        String question = scanner.nextLine();
        String answer = ChatGPT.getResponseFromChatGPT(question);
        // 打印回答
        System.out.println("智能回答：" + answer);
    }
}