Google浏览器
F12中Network->Header部分
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> Hello,Gary! <br> </body> </html>
Network->Header部分
常规
Request URL: http://localhost:8080/Gary_Text/
Request Method: GET
Status Code: 200 OK
Remote Address: [::1]:8080
Referrer Policy: no-referrer-when-downgrade
Request URL: http://localhost:8080/Gary_Text/ 资源的请求url
Request Method: GET HTTP方：GET
Status Code: 200 OK 响应状态码 传送门
Remote Address: [::1]:8080 请求的远程地址
Referrer Policy: no-referrer-when-downgrade 传送门
当用户在浏览器上点击一个链接时，会产生一个 HTTP 请求，用于获取新的页面内容，而在该请求的报头中，会包含一个 Referrer，用以指定该请求是从哪个页面跳转页来的，常被用于分析用户来源等信息。但是也有成为用户的一个不安全因素，比如有些网站直接将 sessionid 或是 token 放在地址栏里传递的，会原样不动地当作 Referrer 报头的内容传递给第三方网站。
响应包
HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: text/html;charset=ISO-8859-1
Content-Length: 617
Date: Thu, 11 Oct 2018 14:59:35 GMT
HTTP/1.1 200 OK Http协议的响应信息 1.1是协议的版本，200表示成功
Server: Apache-Coyote/1.1 服务器
Content-Type: text/html;charset=ISO-8859-1 压缩编码类型；服务端发送的类型及采用的编码方式
Content-Length: 617 压缩码长度
Date: Thu, 11 Oct 2018 14:59:35 GMT GMT 客户端请求服务端的时间
请求包
GET /Gary_Text/ HTTP/1.1
Host: localhost:8080
Connection: keep-alive
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,im age/apng,*/*;q=0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Cookie: JSESSIONID=86BA870896CF3A21211DFD6FEC345958
GET /Gary_Text/ HTTP/1.1 请求地址
Host: localhost:8080 连接的目标主机和端口号
Connection: keep-alive 维护客户端和服务端的连接关系
Cache-Control: max-age=0 服务端禁止客户端缓存页面数据
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36 客户端版本号的名字
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,im age/apng,*/*;q=0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9 客户端接收的语言类型
Cookie: JSESSIONID=86BA870896CF3A21211DFD6FEC345958 客户端暂存服务端的信息