我想您可以在将文件保存在服务器上时更改文件的名称。您可以将guid值或datetime值用于唯一名称。



看一下这篇文章这篇文章^

Hi, I think you can change the name of the file while you are saving it on the server. You can use the guid values or datetime values for unique names.

Take a look at this post this post^