语音识别重试机制

src/CustomerService.vue

@@ -398,15 +398,37 @@ watch(streamConversationId, (newId) => {
 // 监听 showChat 变化,开始对话时自动启动语音识别
 watch(showChat, async (newVal) => {
   if (newVal && !isRecording.value) {
-    try {
-      await startRecording()
-      ElMessage.success('语音识别已启动')
+    // 尝试启动语音识别，最多重试 3 次
+    let retryCount = 0
+    const maxRetries = 3
 
-      // 启动波形动画
-      waveformInterval = setInterval(updateWaveform, 100)
-    } catch (error) {
-      ElMessage.error('启动语音识别失败: ' + error.message)
+    const tryStartRecording = async () => {
+      try {
+        await startRecording()
+        ElMessage.success('语音识别已启动')
+
+        // 启动波形动画
+        waveformInterval = setInterval(updateWaveform, 100)
+        return true
+      } catch (error) {
+        retryCount++
+        console.error(`语音识别启动失败 (尝试 ${retryCount}/${maxRetries}):`, error)
+
+        if (retryCount < maxRetries) {
+          ElMessage.warning(`语音识别启动失败，正在重试 (${retryCount}/${maxRetries})...`)
+          // 等待 1 秒后重试
+          await new Promise(resolve => setTimeout(resolve, 1000))
+          return tryStartRecording()
+        } else {
+          ElMessage.error('语音识别启动失败，已切换到文字输入模式')
+          // 多次重试都失败，切换到文字输入模式
+          isTextInput.value = true
+          return false
+        }
+      }
     }
+
+    await tryStartRecording()
   } else if (!newVal) {
     // 对话结束时，无论什么状态都执行清理操作
     if (isRecording.value) {
@@ -451,6 +473,11 @@ watch(showChat, async (newVal) => {
     // 清空 conversationId，确保下次开始对话时是新的会话
     currentConversationId.value = null
     resetConversation()
+
+    // 重置输入模式为语音输入
+    isTextInput.value = false
+    // 重置麦克风静音状态
+    isMicMuted.value = false
   }
 })
 

src/composables/useVoiceRecognition.js

@@ -136,14 +136,19 @@ export function useVoiceRecognition() {
               })
 
               if (transcriptText) {
-                const type = result.cn.st.type
-                if (type === '0') {
-                  currentTranscription.value += transcriptText
-                  tempTranscription.value = ''
-                  console.log('确定性结果:', transcriptText)
-                } else {
-                  tempTranscription.value = transcriptText
-                  console.log('中间结果:', transcriptText)
+                // 去掉开头的标点符号
+                transcriptText = transcriptText.replace(/^[，。！？、；：""''（）《》【】…—\s]+/, '')
+
+                if (transcriptText) {
+                  const type = result.cn.st.type
+                  if (type === '0') {
+                    currentTranscription.value += transcriptText
+                    tempTranscription.value = ''
+                    console.log('确定性结果:', transcriptText)
+                  } else {
+                    tempTranscription.value = transcriptText
+                    console.log('中间结果:', transcriptText)
+                  }
                 }
               }
             }