HTTP参考手册

标题 | Headers

Trailer

所述 trailers 响应头允许发送方包括为了提供可能，而所述消息体被发送，诸如消息完整性检查，数字签名，或后处理状态动态地生成的元数据在分块消息的末尾附加字段。

TE请求头需要被设置为 “trailers”，允许 trailer。

Header type	Response header
Forbidden header name	yes

句法

Trailer: header-names

指令

header-namesHTTP 头字段将出现在分块消息的尾部。这些标题字段是不允许的：

消息成帧头（例如Transfer-Encoding和Content-Length），

路由头（例如Host），

请求改性剂（例如，控制和条件，比如Cache-Control，Max-Forwards或TE），

验证标头（例如Authorization或Set-Cookie），

或者Content-Encoding，Content-Type，Content-Range，和Trailer本身。

例子

使用尾部标题的块传输编码

在这个例子中，Expires标题用在分块消息的末尾，并作为尾部标题。

HTTP/1.1 200 OK 
Content-Type: text/plain 
Transfer-Encoding: chunked
Trailer: Expires

7\r\n 
Mozilla\r\n 
9\r\n 
Developer\r\n 
7\r\n 
Network\r\n 
0\r\n 
Expires: Wed, 21 Oct 2015 07:28:00 GMT\r\n
\r\n

产品规格

Specification	Title
RFC 7230, section 4.4: Trailer	Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
RFC 7230, section 4.1.2: Chunked trailer part	Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing

浏览器兼容性

Feature	Chrome	Firefox	Edge	Internet Explorer	Opera	Safari
Basic Support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)

Feature	Android	Chrome for Android	Edge mobile	Firefox for Android	IE mobile	Opera Android	iOS Safari
Basic Support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)

标题 | Headers相关

1.Accept
2.Accept-Charset
3.Accept-Encoding
4.Accept-Language
5.Accept-Ranges
6.Access-Control-Allow-Credentials
7.Access-Control-Allow-Headers
8.Access-Control-Allow-Methods
9.Access-Control-Allow-Origin
10.Access-Control-Expose-Headers
11.Access-Control-Max-Age
12.Access-Control-Request-Headers
13.Access-Control-Request-Method
14.Age
15.Allow
16.Authorization
17.Cache-Control
18.Connection
19.Content-Disposition
20.Content-Encoding
21.Content-Language
22.Content-Length
23.Content-Location
24.Content-Range
25.Content-Type
26.Cookie
27.Cookie2
28.Date
29.DNT
30.ETag
31.Expect
32.Expires
33.Forwarded
34.From
35.Headers
36.Host
37.If-Match
38.If-Modified-Since
39.If-None-Match
40.If-Range
41.If-Unmodified-Since
42.Keep-Alive
43.Large-Allocation
44.Last-Modified
45.Location
46.Origin
47.Pragma
48.Proxy-Authenticate
49.Proxy-Authorization
50.Public-Key-Pins
51.Public-Key-Pins-Report-Only
52.Range
53.Referer
54.Referrer-Policy
55.Retry-After
56.Server
57.Set-Cookie
58.Set-Cookie2
59.SourceMap
60.Strict-Transport-Security
61.TE
62.Tk
63.Transfer-Encoding
64.Upgrade-Insecure-Requests
65.User-Agent
66.User-Agent: Firefox
67.Vary
68.Via
69.Warning
70.WWW-Authenticate
71.X-Content-Type-Options
72.X-DNS-Prefetch-Control
73.X-Forwarded-For
74.X-Forwarded-Host
75.X-Forwarded-Proto
76.X-Frame-Options
77.X-XSS-Protection

HTTP

超文本传输协议（ HTTP，HyperText Transfer Protocol ) 是互联网上应用最为广泛的一种网络协议。所有的 WWW 文件都必须遵守这个标准。

HTTP目录

1.指南 \| Guides
2.指南：基础 \| Guides: Basics
3.CSP
4.标题 \| Headers
5.方法 \| Methods
6.RFC 2616: HTTP/1.1
7.RFC 4918: WebDAV
8.RFC 5023: The Atom Publishing Protocol
9.RFC 7230: Message Syntax and Routing
10.RFC 7231: Semantics and Content
11.RFC 7232: Conditional Requests
12.RFC 7233: Range Requests
13.RFC 7234: Caching
14.RFC 7235: Authentication
15.状态 \| Status
16.HTTP 请求方法
17.HTTP状态码
18.HTTP 响应头信息
19.HTTP 教程