增强消息视图的SSE连接管理

src/layouts/components/ShortcutBar.vue

@@ -50,6 +50,9 @@ const sendButtonDisabled = ref(false)
 // 消息对话框引用
 const messageDialogRef = ref<any>(null)
 
+// 消息视图引用
+const messageViewRef = ref<any>(null)
+
 // 滚动容器引用
 const messageContentRef = ref<any>()
 
@@ -115,6 +118,12 @@ async function openMessageDialog() {
   setTimeout(() => {
     forceScrollToEnd()
   }, 600)
+  // 等待对话框打开后恢复SSE连接
+  nextTick(() => {
+    if (messageViewRef.value && typeof messageViewRef.value.resumeSSE === 'function') {
+      messageViewRef.value.resumeSSE()
+    }
+  })
 }
 
 // 智能滚动到底部（只有用户在底部附近时才滚动）
@@ -184,6 +193,14 @@ defineExpose({
   openMessageDialog: openMessageDialogFromExternal,
 })
 
+// 监听消息对话框状态变化
+watch(messageDialog, newValue => {
+  if (!newValue && messageViewRef.value && typeof messageViewRef.value.pauseSSE === 'function') {
+    // 对话框关闭时暂停SSE连接
+    messageViewRef.value.pauseSSE()
+  }
+})
+
 onMounted(() => {
   const shortcut = getQueryValue('shortcut')
   if (shortcut) {

src/utils/sseManager.ts

@@ -69,8 +69,8 @@ export class SSEManager {
       this.backgroundCloseTimer = null
     }
 
-    // 立即重新建立连接
-    if (!this.eventSource || this.eventSource.readyState === EventSource.CLOSED) {
+    // 只有在有活跃监听器时才重新建立连接
+    if (this.listeners.size > 0 && (!this.eventSource || this.eventSource.readyState === EventSource.CLOSED)) {
       this.reconnectSSE()
     }
   }
@@ -84,6 +84,11 @@ export class SSEManager {
       return
     }
 
+    // 如果没有活跃的监听器，不进行重连
+    if (this.listeners.size === 0) {
+      return
+    }
+
     this.isConnecting = true
     this.reconnectAttempts = attemptCount
 
@@ -105,7 +110,7 @@ export class SSEManager {
           }
 
           this.reconnectTimer = window.setTimeout(() => {
-            if (!this.isBackground) {
+            if (!this.isBackground && this.listeners.size > 0) {
               this.reconnectSSE(this.reconnectAttempts + 1)
             }
           }, this.options.reconnectDelay)
@@ -131,7 +136,7 @@ export class SSEManager {
       }
 
       this.reconnectTimer = window.setTimeout(() => {
-        if (!this.isBackground) {
+        if (!this.isBackground && this.listeners.size > 0) {
           this.reconnectSSE(this.reconnectAttempts + 1)
         }
       }, this.options.reconnectDelay)
@@ -205,7 +210,7 @@ export class SSEManager {
    */
   forceReconnect() {
     this.close()
-    if (!this.isBackground) {
+    if (!this.isBackground && this.listeners.size > 0) {
       this.reconnectSSE()
     }
   }

src/views/system/MessageView.vue

@@ -45,11 +45,16 @@ function handleSSEMessage(event: MessageEvent) {
 }
 
 // 使用优化的SSE连接
-useSSE(`${import.meta.env.VITE_API_BASE_URL}system/message?role=user`, handleSSEMessage, 'message-view', {
-  backgroundCloseDelay: 5000,
-  reconnectDelay: 3000,
-  maxReconnectAttempts: 3,
-})
+const { manager, isConnected } = useSSE(
+  `${import.meta.env.VITE_API_BASE_URL}system/message?role=user`,
+  handleSSEMessage,
+  'message-view',
+  {
+    backgroundCloseDelay: 5000,
+    reconnectDelay: 3000,
+    maxReconnectAttempts: 3,
+  },
+)
 
 // 调用API加载存量消息
 async function loadMessages({ done }: { done: any }) {
@@ -145,6 +150,26 @@ function handleImageLoad() {
   emit('scroll')
 }
 
+// 暂停SSE连接
+function pauseSSE() {
+  if (manager) {
+    manager.removeMessageListener('message-view')
+  }
+}
+
+// 恢复SSE连接
+function resumeSSE() {
+  if (manager) {
+    manager.addMessageListener('message-view', handleSSEMessage)
+  }
+}
+
+// 暴露方法给父组件
+defineExpose({
+  pauseSSE,
+  resumeSSE,
+})
+
 onMounted(() => {
   // 组件挂载后触发一次滚动事件
   nextTick(() => {