测试

admin/src/main/java/com/huimv/farm/damsubsidy/service/impl/BillSubsidyServiceImpl.java

@@ -706,7 +706,7 @@ public class BillSubsidyServiceImpl extends ServiceImpl<BillSubsidyMapper, BillS
             writer.merge(6,fileName.toString());
 
             System.out.println(fileName);
-            fileName.append(".xlsx");
+            fileName.append(".xls");
             response.setHeader("content-disposition", "attachment;fileName="+ URLEncoder.encode(fileName.toString(), "UTF-8"));
 
             writer.write(list,true);