设备控制

src/main/java/com/genersoft/iot/vmp/extend/service/ExtendDeviceService.java

@@ -35,10 +35,13 @@ public class ExtendDeviceService extends ServiceImpl<ExtendDeviceMapper, ExtendD
     }
 
     public Map<String,ExtendDevice> getDevices(List<String> deviceIds) {
+        Map<String,ExtendDevice> result = new HashMap<>();
+        if(deviceIds == null || deviceIds.size() == 0) {
+            return result;
+        }
         LambdaQueryWrapper<ExtendDevice> lqw = new LambdaQueryWrapper<>();
         lqw.in(ExtendDevice :: getDeviceId,deviceIds);
         List<ExtendDevice> list = list(lqw);
-        Map<String,ExtendDevice> result = new HashMap<>();
         for(ExtendDevice temp : list) {
             result.put(temp.getDeviceId(),temp);
         }