Rest 概念
整理一下分享的ppt：
About URL
•
identifies a web resource
•
Addressable
•
many to one
•
<scheme>:<scheme-specific-structure>
About representation
•
a view of a resource’s state at an instant in time. This viewis encoded in one or more transferable formats, such as
XHTML,Atom
, XML,
JSON,plain
text, MP3, or JPEG ….
The web verbs
•
the set of verbs supported by HTTP—GET, POST, PUT, DELETE,OPTIONS, HEAD, TRACE, CONNECT, and PATCH
About Hypermedia
•
Like state machine
•
form of
links
What is REST?
•
Network Architectural style
•
Coined by Roy Fielding in his Ph.D. dissertation in 2000
•
Overview:
–
Resourcesare defined and addressed
–
Transmitsdomain-specific data over HTTP
–
Doesnot have any SOAP messaging layer or HTTP cookies
REST is not a standard
•
No W3C specification (EDIT: But there is an XML database thathas such an API:
eXist
)
•
REST is built on the concepts:
–
HTTP
(transferringmechanism)
–
URL
(resource address)
–
XML/HTML/GIF/JPEG
(Resourcerepresentations)
–
text/xml,text/html, image/gif, image/jpeg
(MIME types)