iOS請求URL 中文轉譯

A訫飛Flyme發表於2017-12-20
iOS

URL轉譯 stringByAddingPercentEscapesUsingEncoding(只對 `#%^{}[]|"<> 加空格共14個字元編碼，不包括”&?”等符號), ios9將淘汰。 建議用stringByAddingPercentEncodingWithAllowedCharacters方法

//中文連結
NSString *globalURL = [[NSString alloc]initWithFormat:@"http://127.0.0.1:%d/oa/workflow/submit/workflow?requestId=181193&userNumber=01281209&type=submit&remark=這是個什麼鬼啊，這是個神",ListenPort];
//iOS9.0廢棄方法
//NSString * encodingString = [globalURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
//轉譯後的連結
NSString * encodingString = [globalURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
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stringByAddingPercentEncodingWithAllowedCharacters需要傳一個

NSCharacterSet物件（關於  NSCharacterSet 這篇 文章說的很好）

如[NSCharacterSet  URLQueryAllowedCharacterSet]

@interface NSCharacterSet (NSURLUtilities)
// 預定義字符集用於六個URL元件和子元件，它們允許百分比編碼。 
- (nullable NSString *)stringByAddingPercentEncodingWithAllowedCharacters:(NSCharacterSet *)allowedCharacters

// 包含URL使用者子元件中允許的字元的字符集
@property (class, readonly, copy) NSCharacterSet *URLUserAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

// 包含URL密碼子元件中允許的字元的字符集
@property (class, readonly, copy) NSCharacterSet *URLPasswordAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

// 包含URL的主機子元件中允許的字元的字符集
@property (class, readonly, copy) NSCharacterSet *URLHostAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

// 返回一個包含字元的字符集允許URL的路徑元件。字元“;”是一種合法的路徑,但是建議最好是percent-encoded相容NSURL(-stringByAddingPercentEncodingWithAllowedCharacters:percent-encode任何‘;’字元如果你通過URLPathAllowedCharacterSet)
@property (class, readonly, copy) NSCharacterSet *URLPathAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

// 包含URL查詢元件中允許的字元的字符集
@property (class, readonly, copy) NSCharacterSet *URLQueryAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

// 包含URL片段元件中允許的字元的字符集
@property (class, readonly, copy) NSCharacterSet *URLFragmentAllowedCharacterSet API_AVAILABLE(macos(10.9), ios(7.0), watchos(2.0), tvos(9.0));

@end

編碼字元範圍
URLFragmentAllowedCharacterSet  "#%<>[\]^`{|}
URLHostAllowedCharacterSet      "#%/<>?@\^`{|}
URLPasswordAllowedCharacterSet  "#%/:<>?@[\]^`{|}
URLPathAllowedCharacterSet      "#%;<>?[\]^`{|}
URLQueryAllowedCharacterSet     "#%<>[\]^`{|}
URLUserAllowedCharacterSet      "#%/:<>?@[\]^`
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END

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