显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Date: Sat, 29 Jun 2024 22:25:00 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Vary: Accept-Encoding
platformCode: 210100
main_platformCode: 210100
Set-Cookie: PHPSESSIDPORTAL=171925ac9839226bc7131ea5c15df457; path=/; HttpOnly
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Content-Security-Policy: frame-ancestors http://*.syn.cn:* https://*.syn.cn:* https://*.smartedu.cn http://*.smartedu.cn