|  |  | 
 |  |  |                             @RequestParam(required = false)Integer speed){ | 
 |  |  |  | 
 |  |  |         if (logger.isDebugEnabled()) { | 
 |  |  |             logger.debug(String.format("模拟接口> 设备云台控制 API调用,deviceId:%s ,channelId:%s ,command:%d ,speed:%d ", | 
 |  |  |                     serial, code, command, speed)); | 
 |  |  |             logger.debug("模拟接口> 设备云台控制 API调用,deviceId:{} ,channelId:{} ,command:{} ,speed:{} ", | 
 |  |  |                     serial, code, command, speed); | 
 |  |  |         } | 
 |  |  |         if (channel == null) {channel = 0;} | 
 |  |  |         if (speed == null) {speed = 0;} | 
 |  |  |         Device device = storager.queryVideoDevice(serial); | 
 |  |  |         if (device == null) { | 
 |  |  |             JSONObject result = new JSONObject(); | 
 |  |  |             result.put("error","device[ " + serial + " ]未找到"); | 
 |  |  |             return result; | 
 |  |  |         } | 
 |  |  |         int cmdCode = 0; | 
 |  |  |         switch (command){ | 
 |  |  |             case "left": |