使用原始HTTP（Putty）通过POST发送文件 [英] Sending a file via POST using raw HTTP (Putty)
问题描述
如果我使用以下表单设置html页面：
If I set up a html page with the following form:
<html>
<body>
<form action="upload_file.php" method="post"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<br />
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
我可以将文件上传到upload_file.php，我可以使用php脚本处理它。
I can upload a file to upload_file.php where I can handle it using a php script.
出于测试目的，我需要通过Putty会话使用原始HTTP来做同样的事情。
For testing purposes, I need to do the same using raw HTTP via a Putty session.
我可以这样做正常的POST（只发送文本数据）：
I can do a normal POST (just sending text data) this way:
POST /test_post.php HTTP/1.1
Host: example.com
User-Agent: Mozilla/5.0
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 11
name=myname
如何以这种方式发送文件？
How can I send a file this way?
推荐答案
你必须使用 multipart content-type并将文件数据编码为十六进制/二进制文件
You have to use multipart content-type and encode the file data into hex/binary
在telnet中尝试以下操作：
Try the following in telnet:
POST /the_url HTTP/1.1
User-Agent: Mozilla
Host: www.example.com
Content-Length: xxxx
Content-Type: multipart/form-data; boundary=--------------------31063722920652
------------------------------31063722920652
Content-Disposition: form-data; name="a"
value_for_a
------------------------------31063722920652
Content-Disposition: form-data; name="b"
value_for_b
------------------------------31063722920652
Content-Disposition: form-data; name="c"; filename="myfile.txt"
Content-Type: text/plain
This is a test
and more
-----------------------------31063722920652
Content-Disposition: form-data; name="submit"
Submit
-----------------------------31063722920652--
请记住，字段名称及其数据之间需要额外的换行符。此外，更新 Content-Length 值。
Remember that an extra newline is necessary between field name and its data. Also, update the Content-Length value.
这篇关于使用原始HTTP（Putty）通过POST发送文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
