使用curl POST多部分/表單數據的正確方法是什麼？

Question

我用這個語法來發布文件以及一些參數：

curl -v -include --form "key1=value1" --form upload=localfilename URL 

文件是圍繞在大小500K。首先，我看到發送端的內容長度爲254。稍後服務器響應的內容長度爲0. 我哪裏錯了？

以下是命令的完整跟蹤。

* Couldn't find host xxx.xxx.xxx.xxx in the _netrc file; using defaults 
* About to connect() to xxx.xxx.xxx.xxx port yyyy (#0) 
* Trying xxx.xxx.xxx.xxx... 
* Adding handle: conn: 0x4b96a0 
* Adding handle: send: 0 
* Adding handle: recv: 0 
* Curl_addHandleToPipeline: length: 1 
* - Conn 0 (0x4b96a0) send_pipe: 1, recv_pipe: 0 
* Connected to xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx) port yyyy (#0) 
* POST /zzzzzz/UploadFile HTTP/1.1 
* User-Agent: curl/7.32.0 
* Host: xxx.xxx.xxx.xxx:yyyy 
* Accept: */* 
* Content-Length: 254 
* Expect: 100-continue 
* Content-Type: multipart/form-data; boundary=------------------------948a6137eef50079 
* 
* HTTP/1.1 100 Continue 
* HTTP/1.1 100 Continue 

* HTTP/1.1 200 OK 
* HTTP/1.1 200 OK 
* Server Apache-Coyote/1.1 is not blacklisted 
* Server: Apache-Coyote/1.1 
* Server: Apache-Coyote/1.1 
* Added cookie JSESSIONID="C1D7DD042E250211D9DEA82688876F88" for domain xxx.xxx.xxx.xxx, path /zzzzz/, expire 0 
* Set-Cookie: JSESSIONID=C1D7DD042E250211D9DEA82688876F88; Path=/zzzzzz/; 
* HttpOnly 
* Set-Cookie: JSESSIONID=C1D7DD042E250211D9DEA82688876F88; Path=/zzzzzz/; HttpOnly 
* Content-Type: text/html;charset=ISO-8859-1 
Content-Type: text/html;charset=ISO-8859-1 
* Content-Length: 0 
* Content-Length: 0 
* Date: Tue, 01 Oct 2013 11:54:24 GMT 
* Date: Tue, 01 Oct 2013 11:54:24 GMT 
* Connection #0 to host xxx.xxx.xxx.xxx left intact 

Answer 1

以下語法修復它爲您提供：

curl -v -F key1=value1 -F upload=@localfilename URL 

Answer 2

在Windows中使用curl上傳文件我發現，路徑需要轉義雙引號

例如

curl -v -F 'upload=@\"C:/myfile.txt\"' URL 

Answer 3

這對我來說

curl -F file=@filename URL 

Answer 4

什麼工作在Windows 10，捲曲7.28.1 PowerShell中，我發現下面的工作對我來說：

$filePath = "c:\temp\dir with spaces\myfile.wav" 
$curlPath = ("myfilename=@" + $filePath) 
curl -v -F $curlPath URL