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refactor: 使用 getFirst 优化首元素访问

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疯狂的狮子Li
2026-06-11 13:57:43 +08:00
parent d8f8d5493d
commit 0d72999366
14 changed files with 22 additions and 22 deletions
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ruoyi-example/ruoyi-demo/src/main/java/org/dromara/demo/service/impl/ExportExcelServiceImpl.java
+2 -2
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@@ -112,7 +112,7 @@ public class ExportExcelServiceImpl implements IExportExcelService {
Map<Integer, List<DemoCityData>> groupByIdMap =
cityDataList.stream().collect(Collectors.groupingBy(DemoCityData::getId));
if (groupByIdMap.containsKey(id)) {
DemoCityData demoCityData = groupByIdMap.get(id).get(0);
DemoCityData demoCityData = groupByIdMap.get(id).getFirst();
return DropDownOptions.createOptionValue(demoCityData.getName(), demoCityData.getId());
} else {
return StrUtil.EMPTY;
@@ -206,7 +206,7 @@ public class ExportExcelServiceImpl implements IExportExcelService {
sonList.forEach(everySon -> {
if (parentGroupByIdMap.containsKey(everySon.getPid())) {
everySon.setPData(parentGroupByIdMap.get(everySon.getPid()).get(0));
everySon.setPData(parentGroupByIdMap.get(everySon.getPid()).getFirst());
}
});
}