HTML协议学习笔记

HTTP请求包括：请求行、消息报头、CRLF、请求正文。

HTTP响应包括：状态行、消息报头、CRLF、响应正文。

请求行格式：Method Request-URI HTTP-Version CRLF

状态行格式：HTTP-Version Status-Code Reason-Phrase CRLF

请求方法：

GET

POST

HEAD

PUT

DELETE

TRACE

CONNECT

OPTIONS

普通报头：

Cache-Control

Connection

Date

Pragma

Trailer

Transfer-Encoding

Upgrade

Via

Warning

请求报头：

Accept

Accept-Charset

Accept-Encoding

Accept-Language

Authorization

Expect

From

Host

If-Match

If-Modified-Since

If-None-Match

If-Range

If-Unmodified-Since

Max-Forwards

Proxy-Authoriztion

Range

Referer

TE

User-Agent

响应报头：

Accept-Ranges

Age

ETag

Location

Proxy-Authenticate

Retry-After

Server

Vary

WWW-Authenticate

实体报头：

Allow

Content-Encoding

Content-Language

Content-Length

Content-Location

Content-MD5

Content-Range

Content-Type

Expires

Last-Modified