aa

business/jxstore/event/event_tcp.go

@@ -245,15 +245,17 @@ func (t *TcpClient) doPrint(key string) (err error) {
 									globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
 									//等待回调
 									dataStr := <-t.CallBackMap[printMsg.PrintNo]
-									a, b := getCallbackMsgInfo(dataStr)
-									t.changePrintMsg(dataStr, a, b)
-									//判断音频暂停？
-									//收到打印成功回调后，如果消息中有音频，需要等待一下,等上一个音频播完
-									//暂停时间就暂时取的sound标签内内容长度/2
-									if sounds := regexpSoundSpan.FindStringSubmatch(printMsg.Content); len(sounds) > 0 {
-										sound := sounds[1]
-										lenTime := time.Duration(utf8.RuneCountInString(sound)) * time.Second
-										time.Sleep(lenTime / 2)
+									if dataStr != "" {
+										a, b := getCallbackMsgInfo(dataStr)
+										t.changePrintMsg(dataStr, a, b)
+										//判断音频暂停？
+										//收到打印成功回调后，如果消息中有音频，需要等待一下,等上一个音频播完
+										//暂停时间就暂时取的sound标签内内容长度/2
+										if sounds := regexpSoundSpan.FindStringSubmatch(printMsg.Content); len(sounds) > 0 {
+											sound := sounds[1]
+											lenTime := time.Duration(utf8.RuneCountInString(sound)) * time.Second
+											time.Sleep(lenTime / 2)
+										}
 									}
 								}
 							}