curl 同时使用-F，-d ,Warning: You can only select one HTTP request

参考:https://curl.haxx.se/mail/archive-2003-07/0049.html

To upload a file you have to use multipart/form-data encoding. 

With -d your data is sent application/x-www-form-urlencoded,  

with -F as required as multipart/form-data. 

[popexizhi： 参数对请求头的控制 ]

Thus, your command line should be 

curl -F "photo=@1.gif;type=image/gif" -F adv_id= -F MAX_FILE_SIZE=1000000 ... 

Alternatively you can try whether your server does understand a mix of GET and
POST parameters: 

curl -F "photo=@1.gif;type=image/gif" "http://...?adv_id=&MAX_FILE_SIZE=10..." 

原始问题描述:

On Tuesday 08 July 2003 13:04, Brano wrote:
> Hi curl-users_at_lists.sourceforge.net, 
> 
> I want fill in form, and also upload picture at the same time, but I 
> dont know how to do it: 
> 
> curl -F "photo=@1.gif;type=image/gif" -d 
> "adv_id=&MAX_FILE_SIZE=1000000&firm=VSetko&email=vsetko_at_hotmail.com&subsect 
>ion=59&location=1&want_to=100&validity=1&text=text inzeratu" "http://..." 
> 
> doesn't work (You can only select one HTTP request!) 
> 
> exist some better way to do that, or I have to: 
> 
> curl -F "photo=@1.gif;type=image/gif" -F "adv_id=" -F 
> "MAX_FILE_SIZE=1000000" ... ?