如何在F＃中发出HTTP POST请求？ [英] How can I make an HTTP POST request in F#?

问题描述

以下代码发送GET请求。这让我很疯狂。

The following code sends a GET request. This is making me crazy.

let postDocRaw (url:string) (data: string) : string =
      let data' : byte[] = System.Text.Encoding.ASCII.GetBytes(data);

      let request = WebRequest.Create(url)
      request.Method        <- "POST"
      request.ContentType   <- "application/x-www-form-urlencoded"
      request.ContentLength <- (int64) data'.Length

      use wstream = request.GetRequestStream() 
      wstream.Write(data',0, (data'.Length))
      wstream.Flush()
      wstream.Close()
(*
      use writer = new StreamWriter (wstream) 
      writer.Write(data')
      writer.Flush()
      writer.Close()
*)

      let response  = request.GetResponse()
      use reader     = new StreamReader(response.GetResponseStream())
      let output = reader.ReadToEnd()

      reader.Close()
      response.Close()
      request.Abort()

      output

目前我不确定是否有人曾经使用F＃发送HTTP POST。有没有人见过这方面的文件？

At the moment I'm not sure that anyone has ever used F# to send an HTTP POST. Has anyone seen documentation about this?

推荐答案

似乎对我来说很好。例如（ posttestserver.com 确实存在）：

Seems to work fine for me. For example (posttestserver.com does really exist):

printfn "response: %A" (postDocRaw "http://posttestserver.com/post.php" "hello=data")
Console.ReadLine() |> ignore

结果：

response: "
Successfully dumped 1 post variables.Post body was 0 chars long.
"

也许你以不同的方式使用它？

Maybe you are using it in a different way?

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