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字符串与UTF8的转换

字符串与UTF8的转换

作者: 山野武夫 | 来源:发表于2021-03-13 22:52 被阅读0次

iOS9之前

字符串->UTF8

NSString *string = [string stringByAddingPercentEscapesUsingEncoding:

NSUTF8StringEncoding];

UTF8->字符串

NSString *string = [string stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

iOS9之后

字符串->UTF8

NSString *string = [string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];

UTF8->字符串

NSString *string = [string stringByRemovingPercentEncoding];

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