显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 11 Jul 2024 22:56:13 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept-Encoding
Set-Cookie: PHPSESSID=10aokgq5hv5b5ibv538da7t958; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache