NSURL

# NSURL 생성

NSString *strUrl = @"https://johnny:p4ssw0rd@www.example.com:443/script.ext;param=value?query=value#ref";
NSURL *url = [NSURL URLWithString:strUrl];

var strUrl = "http://someurl.com/something"
var url = URL(string: strUrl)
var domain = url?.host

 

# NSURL 객체 구조

https://johnny:p4ssw0rd@www.example.com:443/script.ext;param=value?query=value#ref

Component	Value
scheme	https
user	johnny
password	p4ssw0rd
host	www.example.com
port	443
path	script.ext
pathExtension	ext
pathComponents	["/", "script.ext"]
parameterString	param=value
query	query=value
fragment	ref

 

※ NSURL 객체에 대해 쉽게 이해할수 있는 이미지가 있어서 올립니다.

http://macoscope.com/blog/nsurl-cheat-sheet/#more