如何在不使用-F的情况下重写此CURL多部分/表单数据请求？ [英] How can I rewrite this CURL multipart/form-data request without using -F?

问题描述

如何重写以下CURL命令，以使其不使用 -F 选项，但仍会生成完全相同的HTTP请求？即，它直接传递body中的multipart / form-data。

How can I rewrite the following CURL command, so that it doesn't use the -F option, but still generates the exact same HTTP request? i.e. so that it passes the multipart/form-data in the body directly.

curl -X POST -F example=test http://localhost:3000/test

推荐答案

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Solved:

curl \
  -X POST \
  -H "Content-Type: multipart/form-data; boundary=----------------------------4ebf00fbcf09" \
  --data-binary @test.txt \
  http://localhost:3000/test

其中 test.txt 包含以下文本，最重要的是具有 CRLF（\r\\\
）行结尾：

Where test.txt contains the following text, and most importantly has CRLF (\r\n) line endings:

------------------------------4ebf00fbcf09
Content-Disposition: form-data; name="example"

test
------------------------------4ebf00fbcf09--

注意：使用 - data-binary ，而不是普通的 -d ，因为前者保留了行结束（这是非常重要的）。另外，请注意，body中的边界以额外的 - 开头。

Notes: it is important to use --data-binary instead of plain old -d as the former preserves the line endings (which are very important). Also, note that the boundary in the body starts with an extra --.

因为它是如此重要，但请求主体文件必须有CRLF行尾。具有良好行结束支持的多平台文本编辑器是jEdit（如何

I'm going to repeat it because it's so important, but that request-body file must have CRLF line endings. A multi-platform text editor with good line-ending support is jEdit (how to set the line endings in jEdit).

如果你对我的工作感兴趣（使用Ruby on Rails应用调试），而不只是最后的解决方案，我写了我的调试步骤在我的博客。

If you're interested in how I worked this out (debugging with a Ruby on Rails app) and not just the final solution, I wrote up my debugging steps on my blog.

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