curl - 向服务器发送请求时如何查看curl发出的请求 header ？

Question

当我向服务器发送请求时，我想查看由 curl 发出的请求 header 。我该如何检查？

Answer 1

我认为curl --verbose/-v是最简单的。它将吐出请求 header (以“>”为前缀的行)，而无需写入文件:

$ curl -v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/
* About to connect() to stackoverflow.com port 80 (#0)
*   Trying 69.59.196.211... connected
* Connected to stackoverflow.com (69.59.196.211) port 80 (#0)
> HEAD / HTTP/1.1
> User-Agent: curl/7.16.3 (i686-pc-cygwin) libcurl/7.16.3 OpenSSL/0.9.8h zlib/1.2.3 libssh2/0.15-CVS
> Host: stackoverflow.com
> Accept: */*
> Testing: Test header so you see this works
>
< HTTP/1.0 200 OK
...