上载后PDF文件损坏，但可以进行本地复制.这怎么可能发生? [英] PDF file damaged after upload but local copy is fine. How could this be happening?

问题描述

我有一个pdf文件，我正在将其上传到服务器.我可以通过浏览器打开本地版本，并且可以正常打开，但是当我将其上传到服务器并尝试直接从那里打开时，我得到一个:

I have a pdf file which I am uploading to my server. I can open the local version through my browser and it opens fine, but when I upload it to the server and try to open it directly through there then I get a:

文件已损坏，无法修复消息.

The file is damaged and could not be repaired message.

同样，如果我将服务器上的许多pdf文件之一下载到本地计算机，则在打开它们时总会出现一些错误，或者它们是空白的.

Likewise, if I download one of the many pdf's on my server to my local computer, then there is always now some error in opening them or they are blank.

我正在使用FileZilla通过ftp上传和下载文件.

I am using FileZilla to upload and download the files by ftp.

这种情况才刚刚开始，我不确定为什么.我有pdf的备份目录，并已用备份复制并替换了所有文件，以解决此问题.现在，我可以在地址栏中键入文件位置，并像查看那样查看它们，这是一项改进，但是，如果尝试下载它们，则会出现某种错误，这意味着我无法查看它们.

This situation has only just started and I'm not sure why. I have a backup directory of the pdf's and have copied and replaced all the files with the backups in an effort to fix the issue. I am now able to type the file location into the address bar and view them like that which is an improvement, but if I try and download them, then I get some sort of error which means I can't view them.

为什么会发生这种情况?

Any ideas why this could be happening?

非常感谢

推荐答案

将FileZilla的文件传输模式设置为binary，不 ASCII似乎可以解决问题.

Setting FileZilla's file transfer mode to binary and not ASCII seems to have done the trick.

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