Upload files using multipart/form-data method

If you watch https://www.bilibili.com/video/BV1fW411Y7q2/?spm_id_from=333.337.search-card.all.click&vd_source=3b3fb07c4ffe25f4531eaad554b9f2d4 and upload files to the network disk, you may encounter the following problems :

To put it simply, your request cannot click anything.

It may be that your flask version is too low. I assume it is version 1.1.2.

So I deleted it and re-downloaded it. The deletion code is as follows:

The download code is as follows:

The problem is solved. Request can re-click the method