raex_back/src/main/java/com/izouma/nineth/web/GPTController.java

package com.izouma.nineth.web;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.github.kevinsawicki.http.HttpRequest;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.service.SysConfigService;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/gpt3")
@AllArgsConstructor
@NoArgsConstructor
public class GPTController {

    private SysConfigService sysConfigService;

    @RequestMapping("/text")
    public String text(@RequestParam String prompt) {
        String token = sysConfigService.getString("chatGPT_token");
        Map<String, Object> params = new HashMap<>();
        params.put("model", "text-davinci-003");
        params.put("prompt", prompt);
        params.put("max_tokens", 2000);
        params.put("temperature", 1);
        HttpRequest request = HttpRequest.post("https://api.openai.com/v1/completions")
                .header("Authorization", "Bearer " + token)
                .contentType("application/json")
                .send(JSON.toJSONString(params));
        int code = request.code();
        String body = request.body();
        JSONObject res = JSON.parseObject(body);
        if (code != 200) {
            throw new BusinessException(res.getJSONObject("error").getString("message"));
        }
        return res.getJSONArray("choices").getJSONObject(0).getString("text").trim();
    }
}