【读书笔记】iOS网络-HTTP-URL百分号编码

- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

//URL百分号编码
//URL编码会编码&,问号和其他标点符号。
NSString *urlString=@"http://myhost.com?query=This is a question";
NSString *encoded=[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"--urlString--%@",urlString);
NSLog(@"--endcoded--%@",encoded);

}

2015-08-18 21:41:58.501 百分号编码[730:74165] --urlString--http://myhost.com?query=This is a question
2015-08-18 21:41:58.501 百分号编码[730:74165] --endcoded--http://myhost.com?query=This%20is%20a%20question