[JavaEE] http protocol details, javaeehttp Protocol

[JavaEE] http protocol details, javaeehttp Protocol

Previous: http://www.cnblogs.com/taoshihan/p/5346731.html

HTTP Request

Request Line

GET/taoshihan/p/52.1631.html HTTP/1.1

Request Method-request resource name-the Protocol to be followed

(POST, GET, DELETE, PUT, HEAD, OPTIONS, TRACE)

GET generally requires no more than 1 k, and there is no size limit for POST transmission.

 

Request Header

Host: www.cnblogs.com

Host Name

Connection: keep-alive

Connection information

Pragma: no-cache

Cache-Control: no-cache

Accept: text/html, application/xhtml + xml, application/xml; q = 0.9, image/webp, */*; q = 0.8

Acceptable: file type

Upgrade-Insecure-Requests: 1

User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36

Client Information

Referer: http://zzk.cnblogs.com/s? W = blog % 3 Ataoshihan % 20% E5 % 8D % 8F % E8 % AE

Source Address

Accept-Encoding: gzip, deflate, sdch

Acceptable encoding: Compression

Accept-Language: zh-CN, zh; q = 0.8

Acceptable language: Chinese

 

 

Response Header

 

HTTP/1.1 200 OK

Protocol version-status code

Date: Thu, 19 May 2016 03:47:48 GMT

Content-Type: text/html; charset = UTF-8

Returned content type and encoding

Transfer-Encoding: chunked

Data transmission mode: Block

Connection: keep-alive

Vary: Accept-Encoding

Cache-Control: private, max-age = 10

Indicates whether the browser is cached.

Expires: Thu, 19 May 2016 03:47:58 GMT

Notifies the browser to cache resources to a specified time point

Last-Modified: Thu, 19 May 2016 03:47:48 GMT

Implement Cache

X-UA-Compatible: IE = 10

Content-Encoding: gzip

Content Encoding: Compression

Status Code

200 ~ 299 successfully received

300 ~ 399 resource transfer 302 (redirection), 304 (using cache), 307

400 ~ 499 request Error 404 not found

500 ~ 599 Internal Server Error 500