故障诊断准确率修改

gyee-sample-impala/src/main/java/com/gyee/impala/controller/diagnose/DiagnoseFaultController.java

@@ -117,8 +117,9 @@ public class DiagnoseFaultController {
             int count = collect.stream().filter(a -> a.getAlgcode().equals(a.getFaultcode())).collect(Collectors.toList()).size();
 
             Map<String, Object> map = new HashMap<>();
+            int accuracy = size > 0 ? count / size : -1;
             map.put("station", station);
-            map.put("accuracy", count/size);
+            map.put("accuracy", accuracy);
             list.add(map);
         }
         return JsonResult.successData(ResultCode.SUCCESS, list);