
Uniform Resource Locator
http://www.ietf.org/rfc/rfc2396.txt
http://www.example.com/docs/resource1.html
协议://host:port/information
relative URL
不需要 协议 host port
编码
不支持编码和解码
URI
Uniform Resource Identifier
语法
[scheme:]scheme-specific-part[#fragment]
Scheme
Opaque
mailto:[email protected]
hierarchical URI
[scheme:][//authority][path][?query][#fragment]
authority(server-based)
[[email protected]]host[:port]
和URL区别
A URI is a uniform resource identifier while a URL is a uniform
resource locator.
Hence every URL is a URI, but not every URI is a URL.




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