显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Cache-Control: private
Content-Length: 8984
Content-Type: text/html; charset=utf-8
Server: Microsoft-IIS/8.5
X-AspNet-Version: 2.0.50727
X-UA-Compatible: IE=EmulateIE7
X-Powered-By: ASP.NET
Date: Mon, 17 Jun 2024 01:02:41 GMT