使用WinHttp发布表单 [英] Posting form using WinHttp

问题描述

在向服务器发布帖子之前，我需要添加任何标题吗？

Do i need to add any headers before making a post to server?

例如，目前我正在尝试发送请求以及帖子数据

For example, Currently I'm trying to send a request along with the post data this way,

  LPCWSTR post = L"name=User&subject=Hi&message=Hi";

    if (!(WinHttpSendRequest( hRequest, 
                            WINHTTP_NO_ADDITIONAL_HEADERS,
                            0, (LPVOID)post, wcslen(post), 
                            wcslen(post), 0)))
    {
          //error
    }

？

推荐答案

我想猜猜

• 你需要传递狭窄的字符串不广泛作为post数据。我不知道你是否指定一个内容类型的发布数据，它将指定编码 - 你可能应该，如果它很容易 - 或只是重新编码字符串为UTF-8，或只是组装为一个窄字符串在第一个地方


• 您可能需要在发布数据上显式结束行，即添加 \r\\\
到你的（narrow）字符串 - 我不知道API是否会添加一个，因为我假设你将对二进制数据进行相同的调用。

• you need to pass narrow strings not wide as the post data. I don't know if you're specifying a content type for the posted data which would specify the encoding - you probably should if it's easy to - or just re-encode the string as UTF-8, or just assemble as a narrow string in the first place
• you might need an explicit end-of-line on the post data, i.e. add \r\n to your (narrow) string - I don't know if the API's going to add one since I assume you'd make the same call for binary data.

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