fix: 修复下架网络连接重设问题

service-manage/src/main/java/com/simuwang/manage/api/email/ParseEmailController.java

@@ -110,9 +110,8 @@ public class ParseEmailController{
     @SystemLog(value = "下载附件", type = SystemLog.Type.DOWNLOAD_OR_EXPORT)
     @PostMapping("/download-email-file")
     public void downloadEmailFile(@RequestBody FileIdVO fileId,HttpServletResponse response, HttpServletRequest request){
+        EmailFileInfoVO emailFileInfoVO = parseEmailService.getEmailFileById(fileId.getFileId());
         try {
-            EmailFileInfoVO emailFileInfoVO = parseEmailService.getEmailFileById(fileId.getFileId());
-            response.setContentType("application/octet-stream");
             response.addHeader("Content-Disposition", "attachment;filename=" + EncodeUtil.encodeUTF8(emailFileInfoVO.getFileName()));
             OutputStream outputStream = response.getOutputStream();
             FileUtils.copyFile(new File(emailFileInfoVO.getFilePath()),outputStream);
@@ -120,6 +119,14 @@ public class ParseEmailController{
             outputStream.close();
         } catch (IOException e) {
            logger.error(e.getMessage(),e);
+           try{
+               OutputStream outputStream = response.getOutputStream();
+               FileUtils.copyFile(new File(emailFileInfoVO.getFilePath()),outputStream);
+               outputStream.flush();
+               outputStream.close();
+           }catch (Exception e1){
+               logger.error(e1.getMessage(),e1);
+           }
         }
     }