- 首先来看下什么样的是URL编码(字符串中带有%22 类似这样的)
NSString *str = @"http://m.tuniu.com/api/home/data/index/c/%7B%22v%22%3A%227.1.0%22%2C%22ct%22%3A20%2C%22dt%22%3A1%2C%22p%22%3A11210%2C%22cc%22%3A2500%7D/d/%7B%22clientModel%22%3A%22HONOR+H30-L01%22%2C%22width%22%3A720%7D�"
把URL解码
// 解码
(iOS9.0(包括9.0)以上使用):
NSString *str2 = [str stringByRemovingPercentEncoding];
(iOS9.0以下使用)
NSString *str2 =
[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
把URL编码
// 编码
(iOS9.0(包括9.0)以上使用)
NSString *str3 =
[str2 stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSetURLQueryAllowedCharacterSet]];
(iOS9.0以下使用)
NSString *str3 =
[str2 stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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