java集成chatGpt完整案例代码(效果和官网一样逐字输出)

@Controller
@RequestMapping("/chat")
public class ChatController {

    /**
     * 暂存消息（由于前端EventSource对象仅支持Get请求，故消息通过POST发送到后端后进行中转）
     */
    Map<String, String> msgMap = new ConcurrentHashMap<>();

    @Autowired
    ChatService chatService;

    /**
     * 发送消息
     *
     * @param msg 消息
     * @return 消息ID
     */
    @ResponseBody
    @PostMapping("/sendMsg")
    public String sendMsg(String msg) {
        String msgId = IdUtil.simpleUUID();
        msgMap.put(msgId, msg);
        return msgId;
    }

    /**
     * 对话
     *
     * @param msgId 消息ID
     * @return SseEmitter
     */
    @GetMapping(value = "/conversation/{msgId}", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
    public SseEmitter conversation(@PathVariable("msgId") String msgId) {
        SseEmitter sseEmitter = new SseEmitter();
        String msg = msgMap.remove(msgId);

        //调用流式会话服务
        chatService.streamChatCompletion(msg, sseEmitter);

        //及时返回SseEmitter对象
        return sseEmitter;
    }
}

var eventSource = new EventSource('http://localhost:8080/chat/conversation/'+data)
             eventSource.addEventListener('open', function(e) {
                console.log("EventSource连接成功");
             });
             eventSource.addEventListener("message", function(evt){
                var data = evt.data;
                var json = JSON.parse(data);
                var content = json.content ? json.content : '';
                content = content.replaceAll('n','<br/>');
                console.log(json)
                var outputBody = $('#outputTxt');
                outputBody.html(outputBody.html()+content);
                var outputCard = $('#outputCard');
                var scrollHeight = outputCard[0].scrollHeight;
                outputCard.scrollTop(scrollHeight);
            });
            eventSource.addEventListener('error', function (e) {
                console.log("EventSource异常：" + e)
            });