改为xls

biz-ghs/product/services/ProductService.php

@@ -336,8 +336,8 @@ class ProductService extends BaseService
         //$date = date("m-d") . "-" . $levelName . "-编号" . $level;
         $date = date("m-d");
 
-        $file = $date . '.xlsx';
-        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+        $file = $date . '.xls';
+        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
 
         if (file_exists($dir . '/' . $file)) {
             unlink($dir . '/' . $file);