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前言:
chatGPT是一款高效强大的语言模型,能够给我们的生活带来极大的改变。无论是学习知识还是工作效率,chatGPT都能为我们提供有力的帮助。它可以帮助我们快速获取所需的知识,同时可以帮助我们提高工作效率,包括写文章、文案、推荐策略、生成代码、写周报,流程图等等。此外,它还可以成为您智能的助手,帮您打理日常事务,如一键预约、贴心提醒等。对于小朋友们来说,他还可以为他们写作文。总之,chatGPT是一个多功能的智能管家,不管您的需求是什么,它都能为您提供强大的支持。
<dependency> <groupId>com.github.plexpt</groupId> <artifactId>chatgpt</artifactId> <version>4.0.7</version> </dependency>
private static final String OPENAI_API_HOST = "https://api.openai.com/"; @PostMapping(value = "/v1/stream") public SseEmitter streamEvents(@RequestBody ChatRequest chatRequest) { SseEmitter sseEmitter = new SseEmitter(-1L); // 不需要代理的话,注销此行 Proxy proxy = Proxys.http("192.168.1.98", 7890); ChatGPTStream chatGPTStream = ChatGPTStream.builder() .timeout(600) .apiKey("你的openApiKey") .proxy(proxy) .apiHost(OPENAI_API_HOST) .build() .init(); MySseStreamListener listener = new MySseStreamListener(sseEmitter); Message message = Message.of(chatRequest.getInput()); ChatCompletion chatCompletion = ChatCompletion.builder() .model(ChatCompletion.Model.GPT_3_5_TURBO.getName()) .messages(Arrays.asList(message)) .build(); chatGPTStream.streamChatCompletion(chatCompletion, listener); listener.setOnComplate(msg -> { //回答完成,可以做一些事情 sseEmitter.complete(); }); return sseEmitter; }
前端调用,这里使用fetchEventSource,普通的eventSource不能发送post参数
import { fetchEventSource } from '@microsoft/fetch-event-source'; const reqData = { id: '111', input: 'java编码实现快速排序算法', chatlog: [], }; const headers = { 'Content-Type': 'application/json', }; const eventSource = new fetchEventSource('/api/v1/stream', { method: 'POST', headers: headers, body: JSON.stringify(reqData), onopen(response) { console.info('eventSource open: ', response); }, onmessage(event) { console.log('eventSource msg: ', event.data); }, onerror(err) { console.log('eventSource error: ' + err); }, onclose() { console.log('eventSource close'); } });
<dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>5.8.15</version> </dependency>
private static final String OPENAI_API_HOST = "https://api.openai.com/"; private static final Map<String, Integer> API_KEY_MAP = new LinkedHashMap<String, Integer>() { { put("你的openApiKey", 5); put("你的openApiKey", 5); } }; @PostMapping("/v1/stream") public void streamHandler(@RequestBody ChatRequest chatRequest, HttpServletResponse response) throws Exception { String input = chatRequest.getInput(); // 本地测试不配置nginx的话,这里需要放开 // response.setHeader("Transfer-Encoding", "chunked"); // response.setHeader("Connection", "keep-alive"); //按权重分配key List<String> weightList = new ArrayList<>(API_KEY_MAP.entrySet().size()); for (Map.Entry<String, Integer> entry : API_KEY_MAP.entrySet()) { String element = entry.getKey(); Integer weight = entry.getValue(); for (int i = 0; i < weight; i++) { weightList.add(element); } } // 不需要代理的话,注销此行 proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("192.168.1.98", 7890)); Message message = Message.builder().role(Message.Role.USER).content(input).build(); ChatCompletion chatCompletion = ChatCompletion.builder().messages(Arrays.asList(message)).stream(true).build(); String requestBody = JSONUtil.toJsonStr(chatCompletion); HttpRequest client = HttpRequest.post(OPENAI_API_HOST + "v1/chat/completions") .header(Header.CONTENT_TYPE, ContentType.JSON.name()) .header(Header.AUTHORIZATION, "Bearer " + RandomUtil.randomEle(weightList)) .setProxy(proxy) .timeout(60000) .body(requestBody); BufferedReader reader = new BufferedReader(new InputStreamReader(client.executeAsync().bodyStream())); String line; while ((line = reader.readLine()) != null) { line = StrUtil.replace(line, "data: ", ""); if (StrUtil.isEmpty(line)) { continue; } if (!StrUtil.equals("[DONE]", line)) { ChatCompletionResponse chatCompletionResponse = JSONUtil.toBean(line, ChatCompletionResponse.class); if (!StrUtil.equals("stop", chatCompletionResponse.getChoices().get(0).getFinishReason())) { String content = chatCompletionResponse.getChoices().get(0).getDelta().getContent(); if (StrUtil.isEmpty(content)) { continue; } response.getWriter().write(content); response.getWriter().flush(); } } } reader.close(); response.getWriter().close(); }
nginx配置,这三个必须加上
proxy_buffering off; proxy_http_version 1.1; chunked_transfer_encoding on;
前端调用,这里使用axios,比较简单
import axios from 'axios'; const reqData = { id: '111', input: 'java编码实现快速排序算法', chatlog: [], }; const headers = { 'Content-Type': 'application/json', }; axios.post('/api/v1/stream', reqData , { headers }) .then(function (response) { console.log(response); }) .catch(function (error) { console.log(error); });
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