java - 用post方法上传，base64编码的图片，由于图片太大，后台接受的时候总是为null？

Question

图片用iPhone拍摄的，所以打给2m左右，后台接收的时候总是null，但是换成一个小点的图片，就可以正常接受。

Answer 1

If you are using tomcat, the default request parameters cannot exceed 2M. It is recommended to use multipart/form data to transfer files instead.

Answer 2

You can upload it to CDN first, and then return the URL on the CDN to the backend.

Answer 3

To add to the above, I have never used java, but PHP also has restrictions on the size of form uploads. The configuration file needs to be modified. I don’t know if java is available