添加null值判断

SC-boot/linkage-scm/src/main/java/jnpf/purchaseorder/controller/PurchaseorderController.java

@@ -359,7 +359,11 @@ public class PurchaseorderController {
 //            cn.hutool.core.io.FileUtil.del(temporaryFile);
 //            FileUtil.upFile(file, filePath, fileName);
             DownloadVO vo = DownloadVO.builder().build();
-            vo.setName(String.valueOf(resultList.get(0)));
+
+            Optional<List<Object>> userOptional = Optional.ofNullable(resultList);
+            userOptional.ifPresent(o -> vo.setName(String.valueOf(o.get(0))));
+
+            //vo.setName(String.valueOf(resultList.get(0)));
             return ActionResult.success(vo);
         } else {
             return ActionResult.fail("选择文件不符合导入");