如何使用ChatGPT和Java开发一个智能医疗咨询平台

import com.google.gson.Gson;
import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class ChatGPTClient {
    private String apiKey;
    private String apiUrl = "https://api.openai.com/v1/engines/davinci/completions";

    public ChatGPTClient(String apiKey) {
        this.apiKey = apiKey;
    }

    public String getGPTResponse(String userMessage) throws IOException, HttpException {
        CloseableHttpClient client = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(apiUrl);
        httpPost.setHeader("Content-Type", "application/json");
        httpPost.setHeader("Authorization", "Bearer " + apiKey);

        // 设置请求参数
        Map<String, String> data = new HashMap<>();
        data.put("prompt", userMessage);
        data.put("max_tokens", "50");

        StringEntity entity = new StringEntity(new Gson().toJson(data));
        httpPost.setEntity(entity);

        // 发送请求 Get response
        HttpResponse response = client.execute(httpPost);
        HttpEntity responseEntity = response.getEntity();
        String responseContent = EntityUtils.toString(responseEntity);

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new HttpException("ChatGPT请求出错，状态码：" + response.getStatusLine().getStatusCode());
        }

        client.close();

        return responseContent;
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.io.IOException;

@RestController
@RequestMapping("/api/chat")
public class ChatController {
    @Autowired
    private ChatGPTClient chatGPTClient;

    @PostMapping
    public String chatWithGPT(@RequestBody String userMessage) throws IOException, HttpException {
        return chatGPTClient.getGPTResponse(userMessage);
    }
}