test print

business/jxstore/event/event_tcp.go

@@ -157,8 +157,14 @@ func handleConn(c net.Conn) {
 		}
 		//也可能是查状态的
 		if err = json.Unmarshal(buffer[:n], &printStatus); err == nil {
+			fmt.Println("handleConn msg: %v", buffer[:n])
 			if printStatus != nil {
-				status := tcpClient.Clients[printStatus.PrintNo].Status
+				var status int
+				if tcpClient.Clients[printStatus.PrintNo] != nil {
+					status = tcpClient.Clients[printStatus.PrintNo].Status
+				} else {
+					status = printerStatusOffline
+				}
 				c.Write([]byte(utils.Int2Str(status)))
 				c.Close()
 			}