BlogJava-xan walking & thinking-随笔分类-Nethttp://www.blogjava.net/xan/category/30693.htmlwatch and learnzh-cnWed, 09 Apr 2008 19:12:34 GMTWed, 09 Apr 2008 19:12:34 GMT60[URL,URN,URI,URC] http://www.blogjava.net/xan/archive/2008/04/09/191687.htmlxanxanWed, 09 Apr 2008 14:24:00 GMThttp://www.blogjava.net/xan/archive/2008/04/09/191687.htmlhttp://www.blogjava.net/xan/comments/191687.htmlhttp://www.blogjava.net/xan/archive/2008/04/09/191687.html#Feedback0http://www.blogjava.net/xan/comments/commentRss/191687.htmlhttp://www.blogjava.net/xan/services/trackbacks/191687.htmlURI
URI = Uniform Resource Identifier
There are two types of URIs: URLs and URNs
See RFC 1630: Universal Resource Identifiers in WWW: A Unifying Syntax for the Expression of Names and Addresses of Objects on the Network as used in the World-Wide Web
and
RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax

URL

URL = Uniform Resource Locator
See RFC 1738: Uniform Resource Locators (URL) 
<protocol>:// <host> [:<port>] [<path> [? <query>]]

URN

URN = Uniform Resource Name.
URNs define XML schemas. 
urn:<namespace>:<string>

URC

URC = Uniform Resource Citation
URC provide a set of attribute/value pairs that describe properties of URIs like authorship, publisher, copyright etc.


xan 2008-04-09 22:24 发表评论
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