1

business/jxstore/event/event_tcp_utils.go

@@ -40,6 +40,7 @@ const (
 	printerStatusOnlineWithoutPaper = 2  //在线缺纸
 	printerStatusOnline             = 1  //在线
 	printerStatusOffline            = -1 //离线
+	printerStatusOfflineAll         = -9 //其他异常状态
 
 	PrintSoundMaxNumber = 16  // 十六进制最大补位
 	PlaceFillingParam   = "0" // 补位参数
@@ -195,7 +196,7 @@ func (t *TcpClient) getPrintStatus(key string) int {
 	if t.Clients[key] != nil {
 		return t.Clients[key].Status
 	} else {
-		return printerStatusOffline
+		return printerStatusOfflineAll
 	}
 }
 
@@ -340,7 +341,7 @@ func changePrinterStatus(printNo string, status int) {
 		db = dao.GetDB()
 	)
 	if printer, err := dao.GetPrinter(db, printNo); err == nil && printer != nil {
-		feilds := []string{}
+		var feilds []string
 		if printer.Status != status {
 			printer.Status = status
 			feilds = append(feilds, "Status")