调整导出文件命名方式[真实名称-时间戳]

src/Tools/Exporter.php

@@ -326,12 +326,12 @@ class Exporter
         if (!$filename) {
             $filename = $this->name ? $this->name : rand(1, 9999999) . time() . rand(1, 9999999);
         }
-        $filename .= "." . strtolower($this->fileType);
         $this->reader->setActiveSheetIndex(0);
         $objWriter = IOFactory::createWriter($this->reader, $this->fileType);
         switch ($downloadType) {
             case self::DOWNLOAD_TYPE_STREAM:
             case self::DOWNLOAD_TYPE_SAVE_AND_DOWNLOAD:
+                $filename .= "." . strtolower($this->fileType);
                 if ($this->fileType == 'Xlsx') {
                     header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                 } elseif ($this->fileType == 'Xls') {
@@ -371,9 +371,9 @@ class Exporter
             case self::DOWNLOAD_TYPE_RETURN_FILE_PATH:
                 $filePath = $this->rootPath . "/export/";
                 !is_dir($filePath) && mkdir($filePath, 0777, true);
-                $fileName = $filePath . date('YmdHis') . '-' . $filename;
-                $objWriter->save($fileName);
-                return $this->config->get('app_domain') . str_replace($this->rootPath, '', $fileName);
+                $fileReadPath = $filePath . $filename . '-' . date('YmdHis') . "." . strtolower($this->fileType);
+                $objWriter->save($fileReadPath);
+                return $this->config->get('app_domain') . str_replace($this->rootPath, '', $fileReadPath);
                 break;
             default:
                 throw new \Exception('不支持此种下载类型');