交通指标时间分布，导出文件中没有的补0

zc-business/src/main/java/com/zc/business/controller/DcTrafficStatisticsController.java

@@ -590,6 +590,11 @@ public AjaxResult realTimeTrafficFlow(String startDate, String direction,String
                     passIndicatorTimeDistribution.setSaturationRateLastYear("0");
                 }
                 passIndicatorTimeDistribution.setTrafficCompositionRateLastYear(sectionData.get("trafficCompositionRate").toString());
+            }else {
+                // 如果 lastYearData 不存在或者不包含 key，将所有字段设置为 "0"
+                passIndicatorTimeDistribution.setCrowdingRateLastYear("0");
+                passIndicatorTimeDistribution.setSaturationRateLastYear("0");
+                passIndicatorTimeDistribution.setTrafficCompositionRateLastYear("0");
             }
             list.add(passIndicatorTimeDistribution);
         }