输出文件流

app/crmAdmin/service/CustomerService.php

@@ -248,15 +248,18 @@ class CustomerService
 
         // 创建Excel写入器
         $writer = new Xlsx($spreadsheet);
-        $writer->save($filepath);
+//        $writer->save($filepath);
+        $writer->save('php://output');
+        $excelContent = ob_get_clean();
+        return $excelContent;
 
         // 返回文件信息
-        return [
-            'filename' => $filename,
-            'filepath' => $filepath,
-            'size' => filesize($filepath),
-            'count' => count($customers)
-        ];
+//        return [
+//            'filename' => $filename,
+//            'filepath' => $filepath,
+//            'size' => filesize($filepath),
+//            'count' => count($customers)
+//        ];
     }
 
     /**