feat:修改文件上传，白板关闭不影响其他用户等

src/views/conferencingRoom/components/fileUpload/browseFile.vue

@@ -156,7 +156,23 @@
           </div>
         </template>
       </el-dialog>
-    </div>
+      <el-dialog
+        v-model="dialogFileVisible"
+        title="文件转换"
+        width="50%"     
+        class="file-preview-dialog"
+      >
+        <div class="preview-container">
+            <div class="loading-container">
+                <el-icon class="is-loading" size="48">
+                <Loading />
+                </el-icon>  
+                <p>正在下载文件，请稍候...</p> 
+            </div>
+             
+        </div>  
+      </el-dialog>
+    </div> 
 </template>
   
 <script setup>
@@ -208,6 +224,8 @@ const fileName = ref('')
 const textContent = ref('')
 const currentFileData = ref(null)
 const convertTaskId = ref('')
+const dialogFileVisible = ref(false)
+
 
 // PDF相关状态
 const pdfSource = ref('')
@@ -261,7 +279,12 @@ onMounted(async () => {
 emitter.on('subscribeToFileConversionStatusTopic',subscribeToFileConversionStatusTopic)
 emitter.on('fileUploadStatus',fileUploadStatus)
 emitter.on('subscribeToFilePreviewTopic',subscribeToFilePreviewTopic)
+emitter.on('fileSuccess',fileSuccess)
 
+function fileSuccess(){
+    dialogFileVisible.value = true
+}
+//
 function subscribeToFileConversionStatusTopic(data){
     try {
     const userId = JSON.parse(sessionStorage.getItem('userData'))?.uid
@@ -286,12 +309,9 @@ function subscribeToFilePreviewTopic(data){
   }
 }
 
-
-
+//提交转换任务，但文件暂未转换完成
 function fileUploadStatus(data){ 
-    if(!dialogFormVisible.value){
-        
-    }
+    // console.log('文件上传成功mqtt消息')
 }
 
 // 初始化MQTT连接 pdf转换成功
@@ -327,9 +347,14 @@ function subscribeToPdfConversionTopic() {
 function handleFileUploadMessage(payload, topic){
     try { 
         const messageStr = payload.toString()  
-        const data = JSON.parse(messageStr)   
-        emitter.emit('fileUploadStatus')
-        if(dialogFormVisible.value){
+        const data = JSON.parse(messageStr)    
+        // emitter.emit('fileUploadStatus')
+        console.log(data,'data文件转换完成，预览通知')
+        const userId = JSON.parse(sessionStorage.getItem('userData'))?.uid 
+        if(dialogFileVisible.value){
+            dialogFileVisible.value = false
+        } 
+        if(dialogFormVisible.value && userId != data.user_uid){ 
                 // 显示确认对话框
             ElMessageBox.confirm(
                 `用户${data.user_uid}上传了${data.file_name}文件，是否立即预览？`,
@@ -364,7 +389,7 @@ function handleFileUploadMessage(payload, topic){
                 message: `用户${data.user_uid}上传了${data.file_name}文件`, 
                 type: 'info', 
             })
-            showEdit(data)
+            showEdit(data) 
         }
     } catch (error) {
         console.error('处理转换状态消息失败:', error)