IOS 开发之NSURL基本操作

2020-07-26 02:53:34

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IOS 开发之NSURL基本操作

NSURL其实就是我们在浏览器上看到的网站地址，这不就是一个字符串么，为什么还要在写一个NSURL呢，主要是因为网站地址的字符串都比较复杂，包括很多请求参数，这样在请求过程中需要解析出来每个部门，所以封装一个NSURL，操作很方便：

NSURL *url = [NSURL URLWithString:@"http://www.baidu.com/s?tn=baiduhome_pg&bs=NSRUL&f=8&rsv_bp=1&rsv_spt=1&wd=NSurl&inputT=2709"];      NSLog(@"Scheme: %@", [url scheme]);      NSLog(@"Host: %@", [url host]);      NSLog(@"Port: %@", [url port]);      NSLog(@"Path: %@", [url path]);      NSLog(@"Relative path: %@", [url relativePath]);      NSLog(@"Path components as array: %@", [url pathComponents]);      NSLog(@"Parameter string: %@", [url parameterString]);      NSLog(@"Query: %@", [url query]);      NSLog(@"Fragment: %@", [url fragment]);      NSLog(@"User: %@", [url user]);      NSLog(@"Password: %@", [url password]);

结果：

2012-08-29 15:52:23.781 NSurl[3560:f803] Scheme: http 2012-08-29 15:52:32.793 NSurl[3560:f803] Host: www.baidu.com 2012-08-29 15:52:39.102 NSurl[3560:f803] Port: (null) 2012-08-29 15:52:42.590 NSurl[3560:f803] Path: /s 2012-08-29 15:52:52.516 NSurl[3560:f803] Relative path: /s 2012-08-29 15:53:05.576 NSurl[3560:f803] Path components as array: (   "/",   s ) 2012-08-29 15:53:32.861 NSurl[3560:f803] Parameter string: (null) 2012-08-29 15:53:37.528 NSurl[3560:f803] Query: tn=baiduhome_pg&bs=NSRUL&f=8&rsv_bp=1&rsv_spt=1&wd=NSurl&inputT=2709 2012-08-29 15:53:52.942 NSurl[3560:f803] Fragment: (null) 2012-08-29 15:53:54.539 NSurl[3560:f803] User: (null) 2012-08-29 15:53:57.808 NSurl[3560:f803] Password: (null)

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