I succeed , thank you very much!

At 2015-08-10 15:03:05, "Daniel Stenberg" <daniel_at_haxx.se> wrote:
>On Mon, 10 Aug 2015, lu wrote:
>
>> I want to upload a large binary file to http server
>
>Ok, and with "upload" you mean a HTTP multipart formpost? There are many
>different ways you can upload with HTTP.
>
>> In order to improve the speed£¬i want to divide the file into several parts,
>> for example FILE*+ offset I dont't know hot to do , such as use function
>> "curl_formadd"
>
>That then requires that you control the server end so that you can have that
>stitch all the pieces together again. And if you do control the server end,
>you can use an easier way than multipart formpost.
>
>curl_formadd can be told to send a file (CURLFORM_FILE), a buffer
>(CURLFORM_BUFFER) or read data to send from a callback (CURLFORM_STREAM)
>
>> curl_formadd(&pFormPost,
>>
>> Its sixth parameters is local file path , does it support file handle ,such
>> as FILE * If it does not support, is there any other methods
>
>CURLFORM_FILE takes a file name. See CURLFORM_BUFFER or CURLFORM_STREAM.
>
>--
>
> / daniel.haxx.se

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Received on 2015-08-11