修复问题：线上ai助手后端内容一次性返回，消息不显示

jeecg-boot/jeecg-module-demo/src/main/java/org/jeecg/modules/demo/gpt/listeners/OpenAISSEEventSourceListener.java

@@ -17,6 +17,7 @@ import java.util.Objects;
 import java.util.function.Consumer;
 
 //update-begin---author:chenrui ---date:20240126  for：【QQYUN-7932】AI助手------------
+
 /**
  * OpenAI的SSE监听
  * @author chenrui
@@ -49,7 +50,7 @@ public class OpenAISSEEventSourceListener extends EventSourceListener {
         this.sseEmitter = sseEmitter;
     }
 
-    public OpenAISSEEventSourceListener(String topicId,SseEmitter sseEmitter){
+    public OpenAISSEEventSourceListener(String topicId, SseEmitter sseEmitter){
         this.topicId = topicId;
         this.sseEmitter = sseEmitter;
     }
@@ -102,15 +103,20 @@ public class OpenAISSEEventSourceListener extends EventSourceListener {
         try {
             //update-begin---author:chenrui ---date:20250207  for：[QQYUN-11102/QQYUN-11109]兼容deepseek模型,支持think标签------------
             // 兼容think标签
+            //update-begin---author:chenrui ---date:20250210  for：判断空,防止反悔的内容为空报错.------------
+            if(null != completionResponse.getChoices()
+                    && !completionResponse.getChoices().isEmpty()
+                    && null != completionResponse.getChoices().get(0)) {
+            //update-end---author:chenrui ---date:20250210  for：判断空,防止反悔的内容为空报错.------------
                 Message delta = completionResponse.getChoices().get(0).getDelta();
                 if (null != delta) {
                     String content = delta.getContent();
-                if("<think>".equals(content)){
+                    if ("<think>".equals(content)) {
                         isThinking = true;
                         content = "> ";
                         delta.setContent(content);
                     }
-                if("</think>".equals(content)){
+                    if ("</think>".equals(content)) {
                         isThinking = false;
                         content = "\n\n";
                         delta.setContent(content);
@@ -120,22 +126,21 @@ public class OpenAISSEEventSourceListener extends EventSourceListener {
                             content = "\n> ";
                             delta.setContent(content);
                         }
-                }else {
+                    } else {
                         // 响应消息体不记录思考过程
                         messageContent += null == content ? "" : content;
                     }
-
-
-
                     log.info("ai-chat返回数据,发送给前端:" + content);
                     sseEmitter.send(SseEmitter.event()
                             .id(this.topicId)
                             .data(delta)
                             .reconnectTime(3000));
                 }
+            }
             //update-end---author:chenrui ---date:20250207  for：[QQYUN-11102/QQYUN-11109]兼容deepseek模型,支持think标签------------
         } catch (Exception e) {
-            log.error(e.getMessage(),e);
+            log.error("ai-chat返回数据,发生异常"+e.getMessage(),e);
+            sseEmitter.completeWithError(e);
             eventSource.cancel();
         }
     }

jeecg-boot/jeecg-module-demo/src/main/java/org/jeecg/modules/demo/gpt/service/impl/ChatServiceImpl.java

@@ -104,6 +104,7 @@ public class ChatServiceImpl implements ChatService {
         //超时回调
         sseEmitter.onTimeout(() -> {
             log.info("[{}]连接超时...................", uid);
+            LocalCache.CACHE.remove(uid);
         });
         //异常回调
         sseEmitter.onError(
@@ -115,7 +116,7 @@ public class ChatServiceImpl implements ChatService {
                                 .name("发生异常！")
                                 .data(Message.builder().content("发生异常请重试！").build())
                                 .reconnectTime(3000));
-                        LocalCache.CACHE.put(uid, sseEmitter);
+                        LocalCache.CACHE.remove(uid);
                     } catch (IOException e) {
                         log.error(e.getMessage(),e);
                     }
@@ -179,6 +180,7 @@ public class ChatServiceImpl implements ChatService {
                 finalMsgHistory.add(tempMessage);
                 redisTemplate.opsForHash().put(cacheKey, CACHE_KEY_MSG_CONTEXT, JSONUtil.toJsonStr(finalMsgHistory));
             });
+            log.info("话题:{},开始发送消息~~~", topicId);
             ChatCompletion completion = ChatCompletion
                     .builder()
                     .messages(msgHistory)

jeecgboot-vue3/src/components/jeecg/AiChat/components/chat.vue

@@ -153,6 +153,7 @@
   import presetQuestion from './presetQuestion.vue';
   import { DeleteOutlined, ExclamationCircleOutlined } from '@ant-design/icons-vue';
   import { message, Modal, Tabs } from 'ant-design-vue';
+  import { isObject, isString } from '/@/utils/is';
   import '../style/github-markdown.less';
   import '../style/highlight.less';
   import '../style/style.less';
@@ -250,7 +251,8 @@
         // 当从事件源接收到数据时触发
         evtSource.onmessage = function (e) {
           const data = e.data;
-          // console.log(e);
+          let delay = 0;
+          setTimeout(() => {
             if (data === '[DONE]') {
               updateChatSome(uuid, props.chatData.length - 1, { loading: false });
               scrollToBottom();
@@ -273,17 +275,22 @@
                   });
                   scrollToBottom();
                 } else {
-                updateChatSome(uuid.value, props.chatData.length - 1, { loading: false });
-                scrollToBottom();
-                handleStop();
+                  // updateChatSome(uuid.value, props.chatData.length - 1, { loading: false });
+                  // scrollToBottom();
+                  // handleStop();
+                }
+              } catch (error: any) {
+                console.log('ai 聊天:::', error);
+                if (isObject(error) && isString(error.message) && error.message.endsWith('is not valid JSON')) {
+                  return;
                 }
-            } catch (error) {
                 updateChatSome(uuid.value, props.chatData.length - 1, { loading: false });
                 scrollToBottom();
                 handleStop();
                 evtSource.close(); // 关闭连接
               }
             }
+          }, delay);
         };
         // 与事件源的连接无法打开时触发
         evtSource.onerror = function (e) {
@@ -347,6 +354,7 @@
   };
   // 停止响应
   const handleStop = () => {
+    console.log('ai 聊天：：：---停止响应');
     if (loading.value) {
       loading.value = false;
     }