导入Excel，snCode错误

src/main/java/com/fdkankan/manage/service/impl/CameraServiceImpl.java

@@ -237,6 +237,7 @@ public class CameraServiceImpl extends ServiceImpl<ICameraMapper, Camera> implem
         List<Integer> errorIndexList = new ArrayList<>();
         Set<String> wifiNameSet = new HashSet<>();
         Integer index = 0;
+        List<String> snCodes = new ArrayList<>();
         for (String wifiName : wifiNameList) {
             index ++;
             if(StringUtils.isBlank(wifiName)){
@@ -253,11 +254,16 @@ public class CameraServiceImpl extends ServiceImpl<ICameraMapper, Camera> implem
             }
             String[] split = wifiName.split("_");
             String cameraPrefix = split[0] +"_";
-
+            String snCode = split[1];
             if(!wifiNamePrefixList.contains(cameraPrefix)){
                 errorIndexList.add(index);
                 continue;
             }
+            if(snCodes.contains(snCode)){
+                errorIndexList.add(index);
+                continue;
+            }
+            snCodes.add(snCode);
             wifiNameSet.add(wifiName);
         }
         return errorIndexList;