1、智能助手增加多轮对话流式返回接口

@@ -16,10 +16,11 @@ enum Api {
 export const sendMessage = async (params: { questionText: string }) => {
   try {
     const userStore = useUserStore();
+    console.log("userStore",userStore.getUserInfo.username)
     const token = userStore.getToken;
 
     const response = await fetch(
-      `/jeecgboot/airag/zdyRag/sendStream?questionText=${encodeURIComponent(params.questionText)}`,
+      `/jeecgboot/airag/zdyRag/multiStageStream?questionText=${encodeURIComponent(params.questionText)}`,
       {
         method: 'GET',
         headers: {
@@ -56,7 +57,7 @@ export const sendMessage = async (params: { questionText: string }) => {
               try {
                 const jsonStr = line.substring(5).trim();
                 if (jsonStr) {
-                  yield JSON.parse(jsonStr); // 直接 yield 解析后的数据
+                  yield JSON.parse(jsonStr);
                 }
               } catch (e) {
                 console.error('JSON解析错误:', e);

@@ -6,7 +6,7 @@
       <div class="chat-messages" ref="messagesContainer">
         <div v-for="(message, index) in messages" :key="index" :class="['message', message.type]">
           <div class="message-content">
-            <div class="message-text" v-html="message.text"></div>
+            <div class="message-text" style="white-space: pre-wrap;" v-html="message.text"></div>
             <div v-if="message.type === 'assistant' && message.similarity" class="message-meta">
               相似度: {{ (message.similarity * 100).toFixed(2) }}%
               <div v-if="message.fileBase64">
@@ -19,7 +19,7 @@
         <!-- 流式响应时显示的临时消息 -->
         <div v-if="streamingMessage" class="message assistant">
           <div class="message-content">
-            <div class="message-text">{{ streamingMessage }}</div>
+            <div class="message-text" style="white-space: pre-wrap;">{{ streamingMessage }}</div>
           </div>
         </div>
         <div v-if="loading" class="message assistant">
@@ -50,7 +50,7 @@
         </div>
         <div class="preview-content">
           <div v-if="previewType === 'txt' || previewType === 'md'" class="text-preview">
-            <pre>{{ previewContent }}</pre>
+            <pre style="white-space: pre-wrap;">{{ previewContent }}</pre>
           </div>
           <div v-else-if="previewType === 'pdf'" class="pdf-preview" ref="pdfPreview"></div>
           <div v-else-if="previewType === 'docx'" class="docx-preview" ref="docxPreview"></div>
@@ -275,6 +275,7 @@ const sendButtonMessage = async (buttonValue: string) => {
     scrollToBottom();
   }
 };
+
 // 显示文件预览
 const showPreview = async (message: any) => {
   try {
@@ -671,6 +672,7 @@ onBeforeUnmount(() => {
 
 .message-text {
   font-size: 15px;
+  white-space: pre-wrap;
 }
 
 .message-meta {