显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 20 Jun 2024 13:46:38 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Keep-Alive: timeout=60
Set-Cookie: PHPSESSID=afgs6k7m07c9098l1bdajjbvg8i17o6v; path=/; HttpOnly
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Cache-control: private
X-Powered-By: ThinkPHP