首页查询占比优化保留2位小数

wangqian
1 parent eb75ae76
Showing 2 changed files with 16 additions and 19 deletions
urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/controller/app/homepage/vo/AppWorkOrderSummaryRspVo.java
urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/service/homepage/HomepageSummaryServiceImpl.java
@@ -17,7 +17,7 @@ public class AppWorkOrderSummaryRspVo {
     /*总条数*/
     private String totalNum;
     /*占比*/
-    private List<Integer> percents;
+    private List<Double> percents;
     /*单位工单统计*/
     private List<AppWorkOrderSummaryVo> table;
@@ -320,32 +320,29 @@ public class HomepageSummaryServiceImpl implements HomepageSummaryService{
                 .mapToInt(AppWorkOrderSummaryVo::getTotal)
                 .sum();
-        List<Integer> percents;
+        List<Double> percents;
         if (totalNum <= 0) {
-            percents = Collections.singletonList(0);
+             percents = Collections.singletonList(0.00);
         } else {
-           List<Integer> tempPercents = workOrderList.stream()
+            // 2. 计算原始百分比
+            List<Double> tempList = workOrderList.stream()
                     .map(vo -> {
-                        double percent = (vo.getTotal() * 100.0) / totalNum;
-                        int round = (int) Math.round(percent);
-                        // 核心：只要 >0 的，至少给 1%，不允许出现 0%
-                        return (round == 0 && vo.getTotal() > 0) ? 1 : round;
+                        double val = (vo.getTotal() * 100.0) / totalNum;
+                        // 保留两位小数
+                        return Math.round(val * 100.0) / 100.0;
                     })
                     .collect(Collectors.toList());
-            // 校准总和 = 100%
-            int sum = tempPercents.stream().mapToInt(Integer::intValue).sum();
-            int diff = sum - 100; // 多出来的部分，从最大值减掉
+            // 3. 计算总和，校准到 100.00
+            double sum = tempList.stream().mapToDouble(Double::doubleValue).sum();
+            double diff = Math.round((100.00 - sum) * 100.0) / 100.0;
-            if (diff != 0 && !tempPercents.isEmpty()) {
-                // 找出最大值的索引，把差值减掉（最合理，不会出现0）
-                OptionalInt maxIndex = IntStream.range(0, tempPercents.size())
-                        .reduce((i, j) -> tempPercents.get(i) > tempPercents.get(j) ? i : j);
-                if (maxIndex.isPresent()) {
-                    tempPercents.set(maxIndex.getAsInt(), tempPercents.get(maxIndex.getAsInt()) - diff);
-                }
+            if (Math.abs(diff) > 0.001 && !tempList.isEmpty()) {
+                // 把差值补到最后一个元素上，保证总和 = 100.00
+                int lastIdx = tempList.size() - 1;
+                tempList.set(lastIdx, Math.round((tempList.get(lastIdx) + diff) * 100.0) / 100.0);
             }
-            percents = tempPercents;
+            percents = tempList;
         }
         // 6. 封装返回数据
         respVo.setLegend(companyNameList);